{"id":1076,"date":"2026-07-27T00:52:29","date_gmt":"2026-07-27T00:52:29","guid":{"rendered":"https:\/\/zscncpack.com\/?p=1076"},"modified":"2026-07-27T01:32:00","modified_gmt":"2026-07-27T01:32:00","slug":"316l-vs-304-for-acidic-beverage-auger-screws","status":"publish","type":"post","link":"https:\/\/zscncpack.com\/cs\/316l-vs-304-for-acidic-beverage-auger-screws\/","title":{"rendered":"316L vs. 304 pro \u0161rouby kysel\u00fdch n\u00e1poj\u016f"},"content":{"rendered":"<h2>P\u0159ehled nerezov\u00fdch \u0161roub\u016f v zpracov\u00e1n\u00ed n\u00e1poj\u016f<\/h2>\n<p>Nerezov\u00e9 \u0161rouby jsou kl\u00ed\u010dov\u00fdmi sou\u010d\u00e1stmi modern\u00ed automatizovan\u00e9 v\u00fdroby n\u00e1poj\u016f. Navr\u017eeny tak, aby p\u0159en\u00e1\u0161ely surov\u00e9 ovocn\u00e9 pevn\u00e9 l\u00e1tky, koncentr\u00e1ty a p\u0159\u00edsady, tyto \u0161roubov\u00e9 podava\u010de zaji\u0161\u0165uj\u00ed nep\u0159etr\u017eit\u00fd p\u0159enos materi\u00e1lu p\u0159i dodr\u017eov\u00e1n\u00ed p\u0159\u00edsn\u00fdch hygienick\u00fdch norem nap\u0159\u00ed\u010d v\u00fdrobn\u00edmi za\u0159\u00edzen\u00edmi po cel\u00e9m sv\u011bt\u011b.<\/p>\n<h3>Role \u0161roub\u016f v link\u00e1ch s kysel\u00fdmi n\u00e1poji<\/h3>\n<p>V v\u00fdrob\u011b kysel\u00fdch n\u00e1poj\u016f pln\u00ed \u0161rouby d\u016fle\u017eit\u00e9 funkce p\u0159enosu a d\u00e1vkov\u00e1n\u00ed. P\u0159en\u00e1\u0161ej\u00ed vlhk\u00e9, vl\u00e1knit\u00e9 nebo abrazivn\u00ed materi\u00e1ly \u2013 nap\u0159\u00edklad citrusov\u00e9 du\u017einy, bobulov\u00e9 pyr\u00e9 a pr\u00e1\u0161kov\u00e9 kyseliny \u2013 skrze v\u00fdrobn\u00ed syst\u00e9m.<\/p>\n<ul>\n<ul>\n<li><strong>P\u0159esn\u00e9 d\u00e1vkov\u00e1n\u00ed:<\/strong> Zaji\u0161\u0165uje \u0159\u00edzen\u00e9 rychlosti pod\u00e1v\u00e1n\u00ed pro konzistentn\u00ed chu\u0165ov\u00e9 a kysel\u00e9 profily.<\/li>\n<li><strong>Hygienick\u00fd p\u0159enos:<\/strong> Uzav\u00edr\u00e1 ovocn\u00e9 pevn\u00e9 l\u00e1tky a koncentr\u00e1ty, \u010d\u00edm\u017e eliminuje vystaven\u00ed produktu a k\u0159\u00ed\u017eov\u00e9 kontaminaci.<\/li>\n<li><strong>Nep\u0159etr\u017eit\u00fd provoz:<\/strong> Zabra\u0148uje hromad\u011bn\u00ed materi\u00e1lu a tvorb\u011b most\u016f p\u0159i vysokov\u00fdkonn\u00e9m p\u0159enosu ovocn\u00e9 ka\u0161e.<\/li>\n<\/ul>\n<\/ul>\n<h3>Pro\u010d je v\u00fdb\u011br materi\u00e1lu d\u016fle\u017eit\u00fd pro kysel\u00e9 aplikace<\/h3>\n<p>Provoz v prost\u0159ed\u00ed s n\u00edzk\u00fdm pH klade extr\u00e9mn\u00ed chemick\u00e9 n\u00e1roky na v\u00fdrobn\u00ed za\u0159\u00edzen\u00ed. Organick\u00e9 kyseliny, jako jsou citr\u00f3nov\u00e1, vinn\u00e1 a jable\u010dn\u00e1, spolu s abrazivn\u00edmi sem\u00ednky nebo vl\u00e1knem ovoce, mohou rychle po\u0161kodit nekvalitn\u00ed kovy.<\/p>\n<p>V\u00fdb\u011br nespr\u00e1vn\u00e9 slitiny oceli vede k m\u00edstn\u00ed korozi, tvorb\u011b d\u011br na povrchu, kontaminaci produktu a n\u00e1kladn\u00fdm odst\u00e1vk\u00e1m. Volba optim\u00e1ln\u00edho materi\u00e1lu zaji\u0161\u0165uje dlouhou \u017eivotnost, nez\u00e1vadnost produktu a dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f.<\/p>\n<h3>Porozum\u011bn\u00ed potravin\u00e1\u0159sk\u00e9 nerezov\u00e9 oceli 304 a 316L<\/h3>\n<p>A\u010dkoliv ob\u011b slitiny spl\u0148uj\u00ed po\u017eadavky potravin\u00e1\u0159sk\u00e9 nerezov\u00e9 oceli, jejich chemick\u00e9 slo\u017een\u00ed slou\u017e\u00ed odli\u0161n\u00fdm provozn\u00edm pot\u0159eb\u00e1m:<\/p>\n<ul>\n<ul>\n<li><strong>304 nerezov\u00e1 ocel:<\/strong> Standardn\u00ed potravin\u00e1\u0159sk\u00e1 slitina obsahuj\u00edc\u00ed 18% chromu a 8% niklu. Poskytuje pevnou odolnost proti korozi p\u0159i manipulaci s ne-kysel\u00fdmi nebo m\u00edrn\u011b kysel\u00fdmi l\u00e1tkami p\u0159i st\u0159edn\u00edch teplot\u00e1ch.<\/li>\n<li><strong>316L nerezov\u00e1 ocel:<\/strong> Pokro\u010dil\u00e1 slitina s n\u00edzk\u00fdm obsahem uhl\u00edku vylep\u0161en\u00e1 o 2% a\u017e 3% molybdenu. Nab\u00edz\u00ed vynikaj\u00edc\u00ed odolnost proti siln\u00fdm organick\u00fdm kyselin\u00e1m, chloridov\u00e9 korozi a agresivn\u00edm chemik\u00e1li\u00edm p\u0159i \u010di\u0161t\u011bn\u00ed (CIP).<\/li>\n<\/ul>\n<\/ul>\n<h2>Chemick\u00e9 slo\u017een\u00ed: Nerezov\u00e1 ocel 304 vs 316L<\/h2>\n<p>J\u00e1drem debaty mezi 304 a 316L pro kysel\u00e9 n\u00e1pojov\u00e9 \u0161roubov\u00e9 vrt\u00e1ky je jejich chemick\u00e9 rozlo\u017een\u00ed. A\u010dkoliv ob\u011b pat\u0159\u00ed do rodiny austenitick\u00fdch ocel\u00ed, jemn\u00e9 p\u0159\u00edm\u011bsi slitiny z\u00e1sadn\u011b m\u011bn\u00ed jejich v\u00fdkon za kysel\u00fdch a vysokotlak\u00fdch podm\u00ednek. V\u00fdb\u011br spr\u00e1vn\u00e9ho <a href=\"https:\/\/zscncpack.com\/cs\/materials\/stainless-steel\/\">potravin\u00e1\u0159sk\u00e1 nerezov\u00e1 ocel<\/a> z\u00e1vis\u00ed na pochopen\u00ed t\u011bchto specifick\u00fdch element\u00e1rn\u00edch rozd\u00edl\u016f.<\/p>\n<h3>Obsah molybdenu a odolnost proti korozi v kyselin\u00e1ch<\/h3>\n<p>Nejv\u011bt\u0161\u00edm rozd\u00edlem mezi t\u011bmito dv\u011bma slitiny je molybden. Standardn\u00ed nerezov\u00e1 ocel 304 neobsahuje molybden v\u016fbec, zat\u00edmco 316L obsahuje mezi 2,01 a 3,01 procenty tohoto kl\u00ed\u010dov\u00e9ho prvku.<\/p>\n<ul>\n<ul>\n<li><strong>Vylep\u0161en\u00e1 odolnost proti chlorid\u016fm:<\/strong> Molybden v\u00fdrazn\u011b zlep\u0161uje odolnost v\u016f\u010di agresivn\u00edm chloridov\u00fdm iont\u016fm a organick\u00fdm kyselin\u00e1m nach\u00e1zej\u00edc\u00edm se v citrusov\u00fdch plodech, bobulovin\u00e1ch a p\u0159i zpracov\u00e1n\u00ed sycen\u00fdch n\u00e1poj\u016f.<\/li>\n<li><strong>Ochrana proti pittingov\u00e9 korozi:<\/strong> V prost\u0159ed\u00ed s n\u00edzk\u00fdm pH m\u016f\u017ee 304 trp\u011bt lok\u00e1ln\u00ed pittingovou korozi. Molybden v 316L vytv\u00e1\u0159\u00ed odoln\u011bj\u0161\u00ed pasivn\u00ed oxida\u010dn\u00ed vrstvu, kter\u00e1 se sama hoj\u00ed v n\u00e1ro\u010dn\u00fdch link\u00e1ch na v\u00fdrobu n\u00e1poj\u016f.<\/li>\n<\/ul>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Prvek \/ Vlastnost<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 304<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Chrom<\/strong><\/td>\n<td style=\"text-align: left;\">18.0% &#8211; 20.0%<\/td>\n<td style=\"text-align: left;\">16.0% &#8211; 18.0%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Nikl<\/strong><\/td>\n<td style=\"text-align: left;\">8.0% &#8211; 10.5%<\/td>\n<td style=\"text-align: left;\">10.0% &#8211; 14.0%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Molybden<\/strong><\/td>\n<td style=\"text-align: left;\">0.0%<\/td>\n<td style=\"text-align: left;\">2.0% &#8211; 3.0%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Uhl\u00edk (max.)<\/strong><\/td>\n<td style=\"text-align: left;\">0.08%<\/td>\n<td style=\"text-align: left;\">0.03%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Carbon Content: The Advantage of Low-Carbon &#8220;L&#8221; Grades<\/h3>\n<p>The &#8220;L&#8221; designation in 316L stands for low carbon. While standard 304 can have up to 0.08% carbon, 316L caps carbon content at a maximum of 0.03%.<\/p>\n<p>P\u0159i v\u00fdrob\u011b kontinu\u00e1ln\u00edho \u0161roubov\u00e9ho podava\u010de vznik\u00e1 p\u0159i sva\u0159ov\u00e1n\u00ed vrt\u00e1n\u00ed k hlavn\u00edmu potrub\u00ed intenzivn\u00ed teplo. Vysok\u00e9 hladiny uhl\u00edku zp\u016fsobuj\u00ed tvorbu chromid\u016f p\u0159i hran\u00e1ch svaru, co\u017e vy\u010derp\u00e1v\u00e1 chrom a vede k <strong>sva\u0159ovac\u00ed degradaci<\/strong> (intergranul\u00e1rn\u00ed korozi). Pou\u017eit\u00edm n\u00edzkouhl\u00edkov\u00e9 316L eliminujeme sr\u00e1\u017een\u00ed karbid\u016f b\u011bhem sva\u0159ov\u00e1n\u00ed, \u010d\u00edm\u017e zaji\u0161\u0165ujeme, \u017ee va\u0161e vrtac\u00ed \u0161rouby si zachovaj\u00ed plnou odolnost proti korozi na ka\u017ed\u00e9m svaru bez nutnosti tepeln\u00e9ho zpracov\u00e1n\u00ed po sva\u0159en\u00ed.<\/p>\n<h3>Mechanick\u00e1 pevnost a odolnost proti opot\u0159eben\u00ed<\/h3>\n<p>\u0160nekov\u00e9 dopravn\u00edky pro kysel\u00e9 n\u00e1poje se pot\u00fdkaj\u00ed jak s korozivn\u00edm prost\u0159ed\u00edm, tak s nep\u0159etr\u017eit\u00fdm mechanick\u00fdm t\u0159en\u00edm. Porovn\u00e1n\u00ed jejich struktur\u00e1ln\u00edch schopnost\u00ed odhaluje podobn\u00e9 profily pevnosti, ale odli\u0161n\u00e9 charakteristiky opot\u0159eben\u00ed:<\/p>\n<ul>\n<ul>\n<li><strong>Pevnost v tahu:<\/strong> Oba materi\u00e1ly, 304 i 316L, nab\u00edzej\u00ed vynikaj\u00edc\u00ed mez pevnosti v tahu (typicky kolem 485 a\u017e 620 MPa), co\u017e poskytuje struktur\u00e1ln\u00ed tuhost pot\u0159ebnou pro dopravu t\u011b\u017ek\u00fdch kapalno-pevn\u00fdch suspenz\u00ed bez proh\u00fdb\u00e1n\u00ed.<\/li>\n<li><strong>Mez kluzu:<\/strong> Jejich mez kluzu je srovnateln\u00e1 (kolem 170 a\u017e 290 MPa), co\u017e znamen\u00e1, \u017ee oba odol\u00e1vaj\u00ed trval\u00e9 deformaci p\u0159i b\u011b\u017en\u00e9m provozn\u00edm kroutic\u00edm momentu.<\/li>\n<li><strong>Od\u011brov\u00e9 opot\u0159eben\u00ed:<\/strong> Standardn\u00ed 304 je na Rockwellov\u011b stupnici m\u00edrn\u011b tvrd\u0161\u00ed, ale 316L si zachov\u00e1v\u00e1 vynikaj\u00edc\u00ed struktur\u00e1ln\u00ed integritu v pr\u016fb\u011bhu \u010dasu, proto\u017ee mikro-koroze vyvolan\u00e1 kyselinami neoslabuje jeho povrchovou matrici, \u010d\u00edm\u017e se p\u0159edch\u00e1z\u00ed p\u0159ed\u010dasn\u00e9mu opot\u0159eben\u00ed z\u00e1vit\u016f \u0161neku.<\/li>\n<\/ul>\n<\/ul>\n<h2>Odolnost proti korozi v kysel\u00e9m n\u00e1pojov\u00e9m prost\u0159ed\u00ed<\/h2>\n<p><img src='https:\/\/pub-36eea33d6f1540d281c285671ffb8664.r2.dev\/2026\/07\/27\/Acidic_Beverage_Auger_Corrosion_Resistance_npt.webp' alt='Odolnost \u0161roub\u016f kysel\u00fdch n\u00e1poj\u016f v\u016f\u010di korozi'><\/p>\n<h3>Odolnost proti organick\u00fdm kyselin\u00e1m (citronov\u00e9, vinn\u00e9 a jable\u010dn\u00e9)<\/h3>\n<p>Zpracov\u00e1n\u00ed kysel\u00fdch n\u00e1poj\u016f vy\u017eaduje za\u0159\u00edzen\u00ed, kter\u00e9 odol\u00e1v\u00e1 nep\u0159etr\u017eit\u00e9mu vystaven\u00ed kapalin\u00e1m s n\u00edzk\u00fdm pH. \u0160nekov\u00e9 dopravn\u00edky pou\u017e\u00edvan\u00e9 p\u0159i v\u00fdrob\u011b ovocn\u00fdch \u0161\u0165\u00e1v, koncentr\u00e1t\u016f, v\u00edna a nealkoholick\u00fdch n\u00e1poj\u016f p\u0159ich\u00e1zej\u00ed pravideln\u011b do styku s koncentrovan\u00fdmi organick\u00fdmi kyselinami, v\u010detn\u011b kyseliny citronov\u00e9, vinn\u00e9 a jable\u010dn\u00e9.<\/p>\n<p>Zat\u00edmco standardn\u00ed nerezov\u00e1 ocel 304 zvl\u00e1d\u00e1 m\u00edrn\u00e1 \u0159e\u0161en\u00ed, zv\u00fd\u0161en\u00e9 koncentrace kyselin rychle napadaj\u00ed jej\u00ed pasivn\u00ed povrch. Z na\u0161\u00ed zku\u0161enosti nap\u0159\u00ed\u010d <a href=\"https:\/\/zscncpack.com\/cs\/industries\/beverage-processing-industry\/\">n\u00e1pojov\u00fd pr\u016fmysl<\/a>, je v\u00fdb\u011br nerezov\u00e9 oceli 316L kl\u00ed\u010dov\u00fd pro udr\u017een\u00ed dlouhodob\u00e9 chemick\u00e9 stability. Molybden p\u0159idan\u00fd do 316L chr\u00e1n\u00ed z\u00e1vity \u0161neku p\u0159ed agresivn\u00ed degradac\u00ed organick\u00fdmi kyselinami, zabra\u0148uje vyluhov\u00e1n\u00ed slitiny a zachov\u00e1v\u00e1 \u010distotu produktu.<\/p>\n<h3>Bodov\u00e1 a \u0161t\u011brbinov\u00e1 koroze v podm\u00ednk\u00e1ch n\u00edzk\u00e9ho pH<\/h3>\n<p>Prost\u0159ed\u00ed s n\u00edzk\u00fdm pH (pH 2,0 a\u017e 4,0) v kombinaci se stopov\u00fdmi chloridy p\u0159edstavuje v\u00e1\u017en\u00e1 rizika pro mechanick\u00e9 komponenty:<\/p>\n<ul>\n<ul>\n<li><strong>Bodov\u00e1 koroze:<\/strong> Drobn\u00e9 bodov\u00e9 pr\u016frazy pronikaj\u00ed do povrch\u016f standardn\u00ed 304, \u010d\u00edm\u017e vytv\u00e1\u0159ej\u00ed skryt\u00e1 m\u00edsta, kde se kyselina hromad\u00ed a hloub\u011bji naru\u0161uje komponentu.<\/li>\n<li><strong>\u0160t\u011brbinov\u00e1 koroze:<\/strong> Kysel\u00e9 kapaliny se hromad\u00ed v t\u011bsn\u00fdch prostorech, jako jsou svary z\u00e1vit\u016f, dr\u00e1\u017eky pro pero na h\u0159\u00eddeli a mont\u00e1\u017en\u00ed p\u0159\u00edruby, co\u017e urychluje lokalizovan\u00fd struktur\u00e1ln\u00ed rozklad.<\/li>\n<\/ul>\n<\/ul>\n<p>P\u0159i hodnocen\u00ed <strong>316L vs 304 pro \u0161rouby na kysel\u00e9 n\u00e1pojov\u00e9 dopravn\u00edky<\/strong>, 316L poskytuje v\u00fdrazn\u011b lep\u0161\u00ed odolnost v\u016f\u010di chlorid\u016fm. To zabra\u0148uje mikroskopick\u00e9mu vznik\u00e1n\u00ed jam a selh\u00e1n\u00ed struktur\u00e1ln\u00edch \u0161t\u011brbin, udr\u017euje h\u0159\u00eddel \u0161roubu hladk\u00fd, \u010dist\u00fd a struktur\u00e1ln\u011b pevn\u00fd za n\u00e1ro\u010dn\u00fdch provozn\u00edch podm\u00ednek.<\/p>\n<h3>Odolnost v\u016f\u010di chemik\u00e1li\u00edm CIP (\u010dist\u011bn\u00ed na m\u00edst\u011b) a sanit\u00e1rn\u00edm prost\u0159edk\u016fm<\/h3>\n<p>Denn\u00ed sanitace m\u016f\u017ee b\u00fdt je\u0161t\u011b agresivn\u011bj\u0161\u00ed na za\u0159\u00edzen\u00ed ne\u017e samotn\u00e9 n\u00e1poje. Standardn\u00ed postupy \u010di\u0161t\u011bn\u00ed na m\u00edst\u011b (CIP) vyu\u017e\u00edvaj\u00ed hork\u00e9 louhy (hydroxid sodn\u00fd) n\u00e1sledovan\u00e9 siln\u00fdmi kysel\u00fdmi sanit\u00e1rn\u00edm prost\u0159edky, jako jsou peroxid vod\u00edku nebo formulace dusi\u010dnanu.<\/p>\n<ul>\n<ul>\n<li><strong>304 nerezov\u00e1 ocel:<\/strong> Opakovan\u00e9 tepeln\u00e1 \u0161oky a chemick\u00e9 vystaven\u00ed postupn\u011b odstra\u0148uj\u00ed ochrannou oxida\u010dn\u00ed vrstvu z 304, co\u017e vede k lept\u00e1n\u00ed povrchu a mikro\u0161kr\u00e1banc\u016fm, kter\u00e9 zachyt\u00e1vaj\u00ed bakterie.<\/li>\n<li><strong>316L nerezov\u00e1 ocel:<\/strong> Snadno zvl\u00e1d\u00e1 agresivn\u00ed chemick\u00e9 sanitace v n\u00e1ro\u010dn\u00e9m prost\u0159ed\u00ed CIP bez po\u0161kozen\u00ed povrchu nebo chemick\u00e9ho vrypu.<\/li>\n<\/ul>\n<\/ul>\n<p>Upgrade na 316L zaji\u0161\u0165uje, \u017ee va\u0161e dopravn\u00ed \u0161rouby vydr\u017e\u00ed ne\u00fanavn\u00e9 denn\u00ed rutiny CIP a z\u00e1rove\u0148 si zachovaj\u00ed p\u0159\u00edsn\u00e9 hygienick\u00e9 normy po dlouhou dobu provozu.<\/p>\n<ol>\n<ul>\n<li>Faktory v\u00fdkonu pro kysel\u00e9 n\u00e1pojov\u00e9 dopravn\u00ed \u0161rouby<\/li>\n<\/ul>\n<\/ol>\n<p>V\u00fdb\u011br spr\u00e1vn\u00e9 slitiny p\u0159esahuje chemickou odolnost \u2013 p\u0159\u00edmo ovliv\u0148uje mechanickou spolehlivost, hygienickou shodu a denn\u00ed pr\u016fchodnost linky. U syst\u00e9m\u016f s vysok\u00fdm objemem balen\u00ed za\u017e\u00edvaj\u00ed dopravn\u00ed \u0161rouby kontinu\u00e1ln\u00ed t\u0159en\u00ed spolu s agresivn\u00edm chemick\u00fdm vystaven\u00edm.<\/p>\n<ol>\n<ul>\n<li>Mo\u017enosti sanitace a povrchov\u00e9 \u00fapravy<\/li>\n<\/ul>\n<\/ol>\n<p>P\u0159i p\u0159eprav\u011b n\u00edzk\u00e9ho pH kapalin, ovocn\u00fdch pyr\u00e9 nebo sycen\u00fdch z\u00e1klad\u016f ur\u010duje drsnost povrchu va\u0161eho dopravn\u00edho \u0161roubu \u00fa\u010dinnost \u010di\u0161t\u011bn\u00ed. Mikroskopick\u00e9 defekty na povrchu slou\u017e\u00ed jako \u00fato\u010di\u0161t\u011b, kde se hromad\u00ed kysel\u00e9 zbytky, co\u017e zp\u016fsobuje lok\u00e1ln\u00ed korozi a bakteri\u00e1ln\u00ed kontaminaci.<\/p>\n<ul>\n<ul>\n<li><strong>Standardn\u00ed mechanick\u00e1 le\u0161t\u00edc\u00ed \u00faprava (304):<\/strong> Obvykle dokon\u010dena na Ra 0,8 \u00b5m. I kdy\u017e je dosta\u010duj\u00edc\u00ed pro neutr\u00e1ln\u00ed such\u00e9 zbo\u017e\u00ed, kysel\u00e9 m\u00e9dia nakonec napadaj\u00ed mikroskopick\u00e9 povrchov\u00e9 h\u0159ebeny.<\/li>\n<li><strong>Elektropol\u00edrovan\u00fd povrch (316L):<\/strong> Pou\u017eit\u00ed specializovan\u00fdch <a href=\"https:\/\/zscncpack.com\/cs\/capabilities\/surface-finishing\/\">dokon\u010dov\u00e1n\u00ed povrchu<\/a> technologi\u00ed dosahuje ultra hladk\u00fdch povrch\u016f a\u017e do Ra 0,4 \u00b5m nebo lep\u0161\u00edch. Elektropol\u00edrov\u00e1n\u00ed odstra\u0148uje voln\u00e9 \u017eelezo z povrchu, zanech\u00e1v\u00e1 vrstvy bohat\u00e9 na chrom, kter\u00e1 zabra\u0148uje k\u0159\u00ed\u017eov\u00e9 kontaminaci p\u0159i d\u00e1vkov\u00e1n\u00ed.<\/li>\n<li><strong>Hygienick\u00fd design letky:<\/strong> Vyr\u00e1b\u00edme <a href=\"https:\/\/zscncpack.com\/cs\/product\/custom-316l-auger-screws-for-beverage-processing-guide\/\">zak\u00e1zkov\u00e9 \u0161roubov\u00e9 dopravn\u00edky z nerezov\u00e9 oceli 316L pro zpracov\u00e1n\u00ed n\u00e1poj\u016f<\/a> s kontinu\u00e1ln\u00ed sv\u00e1\u0159e\u010dkou letky, kter\u00e1 je le\u0161t\u011bn\u00e1 do hladka, \u010d\u00edm\u017e zabra\u0148uje korozi v z\u00e1hybech v automatizovan\u00fdch syst\u00e9mech CIP.<\/li>\n<li>Zpracov\u00e1n\u00ed od\u011bru a mechanick\u00e9ho opot\u0159eben\u00ed b\u011bhem dopravov\u00e1n\u00ed<\/li>\n<\/ul>\n<\/ul>\n<p>Dopravov\u00e1n\u00ed \u010d\u00e1sticov\u011b bohat\u00fdch n\u00e1poj\u016f\u2014nap\u0159\u00edklad citrusov\u00fdch du\u017enin, semen nebo zmrazen\u00fdch koncentr\u00e1t\u016f\u2014p\u0159edstavuje kombinovan\u00e9 opot\u0159eben\u00ed eroz\u00ed a korozi. Koroze odstra\u0148uje ochrannou pasivn\u00ed vrstvu z povrchu kovu, co\u017e umo\u017e\u0148uje abrazivn\u00edm pevn\u00fdm \u010d\u00e1stic\u00edm od\u0159\u00edt odhalen\u00fd materi\u00e1l pod n\u00ed.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">M\u011b\u0159\u00edtko v\u00fdkonu<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 304<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Meze pevnosti<\/strong><\/td>\n<td style=\"text-align: left;\">~205 MPa<\/td>\n<td style=\"text-align: left;\">~220 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Tvrdost Brinell<\/strong><\/td>\n<td style=\"text-align: left;\">~123 HB<\/td>\n<td style=\"text-align: left;\">~146 HB<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Odolnost v\u016f\u010di kyselinov\u00e9 erozi<\/strong><\/td>\n<td style=\"text-align: left;\">St\u0159edn\u00ed (zrychluje p\u0159i n\u00edzk\u00e9m pH)<\/td>\n<td style=\"text-align: left;\">Vysok\u00e1 (molybden dod\u00e1v\u00e1 pasivn\u00ed vrstv\u011b pevnost)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Sklon ke t\u0159en\u00ed<\/strong><\/td>\n<td style=\"text-align: left;\">St\u0159edn\u00ed p\u0159i zat\u00ed\u017een\u00ed<\/td>\n<td style=\"text-align: left;\">N\u00edzk\u00e1 p\u0159i spr\u00e1vn\u00e9m le\u0161t\u011bn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vy\u0161\u0161\u00ed struktur\u00e1ln\u00ed hustota a p\u0159\u00eddavek molybdenu v 316L mu d\u00e1vaj\u00ed jasnou v\u00fdhodu v odolnosti v\u016f\u010di synergick\u00e9mu opot\u0159eben\u00ed kombinovan\u00fdm mechanick\u00fdm t\u0159en\u00edm a kontaktem s kyselinami.<\/p>\n<ol>\n<ul>\n<li>Tepeln\u00e9 a tlakov\u00e9 tolerance p\u0159i nep\u0159etr\u017eit\u00e9m provozu<\/li>\n<\/ul>\n<\/ol>\n<p>Hork\u00e9 pln\u011bn\u00ed v rozmez\u00ed 85\u00b0C a\u017e 95\u00b0C spolu s vysokotlak\u00fdmi cykly \u010di\u0161t\u011bn\u00ed p\u00e1rou CIP posouvaj\u00ed komponenty dopravn\u00edku na jejich tepeln\u00e9 limity.<\/p>\n<ul>\n<ul>\n<li><strong>Tepeln\u00e1 stabilita:<\/strong> A\u010dkoliv oba slitiny vykazuj\u00ed podobn\u00e9 rychlosti tepeln\u00e9 rozta\u017enosti, 316L si udr\u017euje lep\u0161\u00ed odolnost proti creep\u016fm a odolnost v\u016f\u010di prask\u00e1n\u00ed p\u0159i nap\u011bt\u00ed p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch zpracov\u00e1n\u00ed.<\/li>\n<li><strong>Odolnost v\u016f\u010di torzn\u00edmu nam\u00e1h\u00e1n\u00ed:<\/strong> Visk\u00f3zn\u00ed, vysoce kysel\u00e9 ovocn\u00e9 koncentr\u00e1ty kladou velk\u00fd rota\u010dn\u00ed tah na \u0161roubov\u00fd dopravn\u00edk. T\u0159\u00edda 316L l\u00e9pe zvl\u00e1d\u00e1 \u00fanavov\u00e9 zat\u00ed\u017een\u00ed bez oh\u00fdb\u00e1n\u00ed vrtule.<\/li>\n<li><strong>Odolnost v\u016f\u010di tepeln\u00e9mu \u0161oku:<\/strong> Rychl\u00e9 p\u0159echody mezi hork\u00fdm sanit\u00e1rn\u00edm myt\u00edm a studen\u00fdm p\u0159\u00edvodem produktu mohou zat\u00ed\u017eit svary. N\u00edzk\u00fd obsah uhl\u00edku v 316L zabra\u0148uje prask\u00e1n\u00ed mezi zrny b\u011bhem tepeln\u00fdch cykl\u016f, co\u017e udr\u017euje za\u0159\u00edzen\u00ed v chodu bez neo\u010dek\u00e1van\u00fdch prostoj\u016f.<\/li>\n<\/ul>\n<\/ul>\n<ol>\n<ul>\n<li>Cena vs. hodnota: \u0161rouby s \u0161roubovic\u00ed 304 vs. 316L<\/li>\n<\/ul>\n<\/ol>\n<p>P\u0159i hodnocen\u00ed materi\u00e1l\u016f pro \u0161rouby na kysel\u00e9 n\u00e1poje je b\u011b\u017enou chybou zam\u011b\u0159it se pouze na po\u0159izovac\u00ed cenu. Vyv\u00e1\u017een\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klad\u016f na suroviny s dlouhodob\u00fdmi n\u00e1klady na \u00fadr\u017ebu a expozic\u00ed rizik\u016fm odhaluje skute\u010dn\u00fd n\u00e1vratnost investice do va\u0161\u00ed v\u00fdrobn\u00ed linky.<\/p>\n<h3>Porovn\u00e1n\u00ed po\u010d\u00e1te\u010dn\u00edch n\u00e1klad\u016f na materi\u00e1l a sou\u010d\u00e1stky<\/h3>\n<p><img src='https:\/\/pub-36eea33d6f1540d281c285671ffb8664.r2.dev\/2026\/07\/27\/316L_vs_304_acidic_beverage_auger_screws_uXO.webp' alt='\u0160rouby z 316L vs. 304 pro kysel\u00e9 n\u00e1poje'><\/p>\n<p>Standardn\u00ed nerezov\u00e1 ocel 304 je obecn\u011b o 20% a\u017e 30% levn\u011bj\u0161\u00ed na za\u010d\u00e1tku ne\u017e 316L. Tento cenov\u00fd rozd\u00edl poch\u00e1z\u00ed p\u0159edev\u0161\u00edm z 2% a\u017e 3% molybdenu p\u0159idan\u00e9ho do 316L pro zlep\u0161en\u00ed slitiny.<\/p>\n<p>Pro z\u00e1kladn\u00ed such\u00e9 dopravov\u00e1n\u00ed poskytuje 304 solidn\u00ed hodnotu. Nicm\u00e9n\u011b v <strong>zpracov\u00e1n\u00ed kysel\u00fdch n\u00e1poj\u016f<\/strong>, m\u016f\u017ee b\u00fdt ni\u017e\u0161\u00ed cena klamav\u00e1, pokud se materi\u00e1l rozpad\u00e1 p\u0159i nep\u0159etr\u017eit\u00e9 chemick\u00e9 expozici.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Faktor n\u00e1klad\u016f a hodnoty<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 304<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Po\u010d\u00e1te\u010dn\u00ed n\u00e1klady na materi\u00e1l<\/strong><\/td>\n<td style=\"text-align: left;\">Z\u00e1kladn\u00ed (o 20\u201330% ni\u017e\u0161\u00ed)<\/td>\n<td style=\"text-align: left;\">St\u0159edn\u00ed p\u0159\u00edplatek<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Zlep\u0161en\u00ed slitiny<\/strong><\/td>\n<td style=\"text-align: left;\">18 % Cr \/ 8 % Ni<\/td>\n<td style=\"text-align: left;\">16% Cr \/ 10% Ni \/ 2\u20133% Mo<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u017divotnost v kysel\u00e9m prost\u0159ed\u00ed<\/strong><\/td>\n<td style=\"text-align: left;\">Zkr\u00e1cen\u00e1 (riziko tvorby pittingu)<\/td>\n<td style=\"text-align: left;\">Prodlou\u017een\u00e1 (vysok\u00e1 odolnost)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Celkov\u00e1 n\u00e1vratnost investice p\u0159i n\u00edzk\u00e9m pH<\/strong><\/td>\n<td style=\"text-align: left;\">N\u00edzk\u00e1<\/td>\n<td style=\"text-align: left;\">Vysok\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Dlouhodob\u00e1 \u00fadr\u017eba a o\u010dek\u00e1van\u00e1 \u017eivotnost<\/h3>\n<p>V prost\u0159ed\u00ed s n\u00edzk\u00fdm pH je <strong>\u0161roubov\u00fd dopravn\u00edk<\/strong> pomalu se vyv\u00edj\u00ed povrchov\u00e9 drsn\u011bn\u00ed a <strong>d\u00edrov\u00e1 koroze<\/strong>. Tato mikro\u0161koda vytv\u00e1\u0159\u00ed \u00fato\u010di\u0161t\u011b pro bakterie a vy\u017eaduje \u010dast\u00e9 le\u0161t\u011bn\u00ed nebo \u00faplnou v\u00fdm\u011bnu.<\/p>\n<p>Naopak, 316L odol\u00e1v\u00e1 agresivn\u00edm kyselin\u00e1m a drsn\u00fdm caustic cykl\u016fm v <strong>CIP prost\u0159ed\u00ed<\/strong> s minim\u00e1ln\u00edm opot\u0159eben\u00edm. B\u011bhem v\u00edcelet\u00e9ho v\u00fdrobn\u00edho cyklu v\u00fdrazn\u011b sni\u017euj\u00ed \u00fadr\u017ebovou pr\u00e1ci a frekvenci v\u00fdm\u011bn \u0161roub\u016f. Pro maxim\u00e1ln\u00ed spolehlivost ve va\u0161\u00ed tov\u00e1rn\u011b je vhodn\u00e9 tyto komponenty kombinovat s vysokou \u010distotou <a href=\"https:\/\/zscncpack.com\/cs\/product\/beverage-valve-manifold-316l-for-sanitary-processing\/\">rozvodov\u00fd blok n\u00e1pojov\u00fdch ventil\u016f 316L pro hygienick\u00e9 zpracov\u00e1n\u00ed<\/a> zajist\u00ed konzistentn\u00ed ochranu proti korozi po cel\u00e9m syst\u00e9mu p\u0159enosu kapaliny.<\/p>\n<h3>\u0158\u00edzen\u00ed rizik pro selh\u00e1n\u00ed za\u0159\u00edzen\u00ed a prostoj<\/h3>\n<p>Selh\u00e1n\u00ed \u0161roubu b\u011bhem vrcholn\u00e9 v\u00fdroby stoj\u00ed mnohem v\u00edc ne\u017e po\u010d\u00e1te\u010dn\u00ed rozd\u00edl v cen\u011b materi\u00e1lu. P\u0159echod na 316L <strong>potravin\u00e1\u0159sk\u00e1 nerezov\u00e1 ocel<\/strong> slou\u017e\u00ed jako p\u0159\u00edm\u00e9 poji\u0161t\u011bn\u00ed proti provozn\u00edm v\u00fdpadk\u016fm:<\/p>\n<ul>\n<ul>\n<li><strong>Eliminace kontaminace:<\/strong> Zabra\u0148uje uvoln\u011bn\u00ed mikroskopick\u00e9ho rzi nebo od\u0161t\u011bpk\u016f kovu do proud\u016f produktu.<\/li>\n<li><strong>Vyh\u00fdb\u00e1 se nepl\u00e1novan\u00fdm prostoj\u016fm:<\/strong> Zastavuje p\u0159ed\u010dasn\u00e9 mechanick\u00e9 selh\u00e1n\u00ed a nouzov\u00e9 odst\u00e1vky b\u011bhem aktivn\u00edch pln\u011bn\u00ed lahv\u00ed.<\/li>\n<li><strong>Chr\u00e1n\u011bn\u00ed integrity svaru:<\/strong> Low carbon &#8220;L&#8221; grade prevents intergranular corrosion along heavy auger flight welds.<\/li>\n<\/ul>\n<\/ul>\n<h2>Kterou t\u0159\u00eddu byste m\u011bli zvolit pro sv\u016fj kysel\u00fd n\u00e1pojov\u00fd \u0161roub?<\/h2>\n<p>Volba mezi nerezovou ocel\u00ed 304 a 316L pro kysel\u00fd n\u00e1pojov\u00fd \u0161roub z\u00e1vis\u00ed na pH va\u0161eho kapaliny, provozn\u00edch teplot\u00e1ch a \u010distic\u00edch chemik\u00e1li\u00edch. Spr\u00e1vn\u00e1 volba na za\u010d\u00e1tku zabr\u00e1n\u00ed p\u0159ed\u010dasn\u00e9mu povrchov\u00e9mu drsn\u011bn\u00ed, kontaminaci \u0161ar\u017e\u00ed a n\u00e1kladn\u00fdm odst\u00e1vk\u00e1m linky.<\/p>\n<h3>Kdy m\u016f\u017ee b\u00fdt nerezov\u00e1 ocel 304 dosta\u010duj\u00edc\u00ed<\/h3>\n<p>Standardn\u00ed nerezov\u00e1 ocel t\u0159\u00eddy 304 vhodn\u00e1 pro m\u00edrn\u00e9, neagresivn\u00ed zach\u00e1zen\u00ed, kde je riziko koroze minim\u00e1ln\u00ed. Poskytuje spolehlivou struktur\u00e1ln\u00ed pevnost za ni\u017e\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady na materi\u00e1l.<\/p>\n<ul>\n<ul>\n<li><strong>\u00darovn\u011b kyselosti:<\/strong> Produkty s m\u00edrnou hodnotou pH (nad 4,5).<\/li>\n<li><strong>Expozice produktu:<\/strong> Such\u00e9 pr\u00e1\u0161kov\u00e9 krmivo, jemn\u00e9 ovocn\u00e9 pyr\u00e9 nebo kr\u00e1tk\u00e9 doby kontaktu.<\/li>\n<li><strong>\u010cistic\u00ed re\u017eimy:<\/strong> Standardn\u00ed myt\u00ed bez pou\u017eit\u00ed t\u011b\u017ek\u00fdch chlorovan\u00fdch dezinfek\u010dn\u00edch prost\u0159edk\u016f nebo agresivn\u00edch kyselinov\u00fdch proplach\u016f.<\/li>\n<li><strong>Rozpo\u010dtov\u00e1 omezen\u00ed:<\/strong> Projekty s omezen\u00fdm kapit\u00e1lov\u00fdm rozpo\u010dtem, kde je mechanick\u00e9 opot\u0159eben\u00ed d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e chemick\u00e1 odolnost.<\/li>\n<\/ul>\n<\/ul>\n<h3>Kdy je nutn\u00e1 nerezov\u00e1 ocel 316L<\/h3>\n<p>P\u0159i zach\u00e1zen\u00ed s vysoce kysel\u00fdmi n\u00e1poji je nerezov\u00e1 ocel 316L nezbytn\u00e1. Jej\u00ed p\u0159\u00eddavek molybdenu poskytuje kl\u00ed\u010dovou odolnost proti chlorid\u016fm, co\u017e zabra\u0148uje v\u00e1\u017en\u00e9 pittingov\u00e9 korozi a m\u00edstn\u00edmu rozkladu materi\u00e1lu v agresivn\u00edm prost\u0159ed\u00ed.<\/p>\n<ul>\n<ul>\n<li><strong>Vysok\u00e1 kyselost:<\/strong> pH pod 4,0 (koncentr\u00e1ty citrusov\u00fdch \u0161\u0165\u00e1v, kysel\u00e9 jable\u010dn\u00e9 z\u00e1klady, sirupy na nealko n\u00e1poje).<\/li>\n<li><strong>Drsn\u00e9 prost\u0159ed\u00ed CIP:<\/strong> Nep\u0159etr\u017eit\u00e9 vystaven\u00ed hork\u00fdm proplach\u016fm dusi\u010dnanu, louhu nebo aktivn\u00edm chlorov\u00fdm dezinfek\u010dn\u00edm prost\u0159edk\u016fm b\u011bhem cykl\u016f \u010di\u0161t\u011bn\u00ed na m\u00edst\u011b.<\/li>\n<li><strong>Prodlou\u017een\u00fd kontakt:<\/strong> Nep\u0159etr\u017eit\u00fd kontakt s kapalinou v rychl\u00fdch, automatizovan\u00fdch \u0161roubov\u00fdch podava\u010d\u00edch linek.<\/li>\n<\/ul>\n<\/ul>\n<p>V z\u00e1va\u017en\u00fdch procesech v\u00fdroby kysel\u00fdch n\u00e1poj\u016f eliminace rizika selh\u00e1n\u00ed za\u0159\u00edzen\u00ed pomoc\u00ed 316L. Tento jasn\u00fd v\u00fdhodu jsme vid\u011bli v na\u0161em <a href=\"https:\/\/zscncpack.com\/cs\/case-studies\/beverage-valve-manifold-316l\/\">p\u0159\u00edpadov\u00e9 studii na ventilech na n\u00e1poje s 316L<\/a>, kde n\u00edzkouhl\u00edkov\u00e9 316L \u00fasp\u011b\u0161n\u011b eliminovalo korozi a prodlou\u017eilo \u017eivotnost sou\u010d\u00e1st\u00ed p\u0159i intenzivn\u00edm proplachu dezinfek\u010dn\u00edmi prost\u0159edky.<\/p>\n<h3>Kl\u00ed\u010dov\u00e1 krit\u00e9ria v\u00fdb\u011bru pro zpracovatelsk\u00e9 za\u0159\u00edzen\u00ed<\/h3>\n<p>Pou\u017eijte tuto rychlou matici v\u00fdb\u011bru p\u0159i specifikaci komponent\u016f \u0161roubov\u00fdch dopravn\u00edk\u016f:<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Rozhodovac\u00ed faktor<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 304<\/th>\n<th style=\"text-align: left;\">Nerezov\u00e1 ocel 316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>pH Prahov\u00e1 hodnota<\/strong><\/td>\n<td style=\"text-align: left;\">Ide\u00e1ln\u00ed pro pH &gt; 4,5<\/td>\n<td style=\"text-align: left;\">Nezbytn\u00e9 pro pH &lt; 4,0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Odolnost v\u016f\u010di chloridu<\/strong><\/td>\n<td style=\"text-align: left;\">N\u00edzk\u00e1 a\u017e st\u0159edn\u00ed<\/td>\n<td style=\"text-align: left;\">Vysok\u00e1 (2-3% molybden) odolnost<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Riziko koroze p\u0159i v\u00fdskytu d\u011br<\/strong><\/td>\n<td style=\"text-align: left;\">Vysok\u00e1 v kysel\u00fdch\/slan\u00fdch podm\u00ednk\u00e1ch<\/td>\n<td style=\"text-align: left;\">Velmi n\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Tolerantnost prost\u0159ed\u00ed CIP<\/strong><\/td>\n<td style=\"text-align: left;\">Pouze m\u00edrn\u00e9 sanitiz\u00e9ry<\/td>\n<td style=\"text-align: left;\">Odol\u00e1v\u00e1 hork\u00fdm louh\u016fm s hydroxidem a kyselin\u00e1m<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Po\u010d\u00e1te\u010dn\u00ed investice<\/strong><\/td>\n<td style=\"text-align: left;\">Ni\u017e\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady<\/td>\n<td style=\"text-align: left;\">Materi\u00e1l 20%\u201330% pr\u00e9miov\u00fd<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Dlouhodob\u00e9 TCO<\/strong><\/td>\n<td style=\"text-align: left;\">Vy\u0161\u0161\u00ed riziko p\u0159ed\u010dasn\u00e9 v\u00fdm\u011bny<\/td>\n<td style=\"text-align: left;\">Nejni\u017e\u0161\u00ed celkov\u00e9 n\u00e1klady na vlastnictv\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vyhodnocen\u00ed va\u0161\u00ed p\u0159esn\u00e9 chemick\u00e9 expozice zaji\u0161\u0165uje, \u017ee v\u00e1\u0161 \u0161roubov\u00fd dopravn\u00edk udr\u017e\u00ed hygienick\u00e9 povrchov\u00e9 normy, spln\u00ed po\u017eadavky na potravin\u00e1\u0159skou bezpe\u010dnost a poskytne nep\u0159eru\u0161ovan\u00fd provozn\u00ed v\u00fdkon.<\/p>\n<p>Prozkoumejte na\u0161i kompletn\u00ed nab\u00eddku <a href=\" \" target=\"_blank\"><strong>zak\u00e1zkov\u00fdch \u0161roub\u016f z 316L<\/strong><\/a> navr\u017een\u00fdch speci\u00e1ln\u011b pro tyto drsn\u00e9 prost\u0159ed\u00ed.<\/p>\n<div id='references'>\n<h2>Souvisej\u00edc\u00ed zdroje<\/h2>\n<ul>\n<li><a href=\"https:\/\/ifactoryapp.com\/industries\/food-manufacturing\/food-grade-stainless-steel-equipment-care-corrosion-prevention\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/ifactoryapp.com\/industries\/food-manufacturing\/food-grade-stainless-steel-equipment-care-corrosion-prevention<\/a><\/li>\n<li><a href=\"https:\/\/www.sakysteel.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.sakysteel.com\/<\/a><\/li>\n<li><a href=\"https:\/\/worldstainless.org\/wp-content\/uploads\/202\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/worldstainless.org\/wp-content\/uploads\/202<\/a><\/li>\n<li><a href=\"https:\/\/ifactoryapp.com\/industries\/food\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/ifactoryapp.com\/industries\/food<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Porovn\u00e1n\u00ed odolnosti proti korozi, opot\u0159eben\u00ed a n\u00e1klad\u016f u nerezov\u00fdch ocel\u00ed 316L a 304 pro \u0161rouby na kysel\u00e9 n\u00e1poje ur\u010den\u00e9 pro potravin\u00e1\u0159skou v\u00fdrobu<\/p>","protected":false},"author":1,"featured_media":1077,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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