{"id":2170,"date":"2025-02-25T17:43:49","date_gmt":"2025-02-25T09:43:49","guid":{"rendered":"https:\/\/www.pvdstainlesssteel.com\/?p=2170"},"modified":"2025-02-25T17:43:49","modified_gmt":"2025-02-25T09:43:49","slug":"material-304-stainless-steel-grades","status":"publish","type":"post","link":"https:\/\/www.pvdstainlesssteel.com\/lt\/material-304-stainless-steel-grades\/","title":{"rendered":"Med\u017eiaga 304 ner\u016bdijantis plienas, palyginti su kitomis klas\u0117mis: i\u0161samus vadovas"},"content":{"rendered":"<p>Ner\u016bdijantis plienas yra pagrindin\u0117 med\u017eiaga \u012fvairiose pramon\u0117s \u0161akose \u2013 nuo \u200b\u200bstatybos iki sveikatos prie\u017ei\u016bros. Tarp daugyb\u0117s jo variant\u0173,\u00a0<strong>Med\u017eiaga 304 ner\u016bdijantis plienas<\/strong>\u00a0dominuoja d\u0117l savo universalumo. \u0160iame straipsnyje gilinamasi \u012f jo savybes, palyginamas su pagrindin\u0117mis alternatyvomis (316, 201, 430) ir pateikiamos praktin\u0117s \u012f\u017evalgos, kaip pasirinkti optimali\u0105 r\u016b\u0161\u012f.<\/p>\n<h3><\/h3>\n<h2><strong>304 ner\u016bdijan\u010dio plieno med\u017eiaga: sud\u0117tis ir pagrindin\u0117s savyb\u0117s<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p><strong>Med\u017eiaga 304 ner\u016bdijantis plienas<\/strong>, priklausantis austenitini\u0173 metal\u0173 \u0161eimai, sudarytas i\u0161 18-20% chromo ir 8-10% nikelio bei toki\u0173 mikroelement\u0173 kaip anglis ir manganas. \u0160is mi\u0161inys sukuria korozijai atspar\u0173, nemagnetin\u012f lydin\u012f, pasi\u017eymint\u012f puikiu formavimu ir suvirinamumu.<\/p>\n<ul>\n<li><strong>Chromo vaidmuo<\/strong>Sudaro pasyv\u0173 oksido sluoksn\u012f, kuris atsparus oksidacijai ir d\u0117m\u0117ms net auk\u0161toje temperat\u016broje.<\/li>\n<li><strong>Nikelio ind\u0117lis<\/strong>Stabilizuoja austenitin\u0119 strukt\u016br\u0105, padidindamas plasti\u0161kum\u0105 ir atsparum\u0105 r\u016bg\u0161tinei aplinkai.<\/li>\n<\/ul>\n<p><strong>Parai\u0161kos<\/strong>:<\/p>\n<ul>\n<li><strong>Maisto ir g\u0117rim\u0173 pramon\u0117<\/strong>D\u0117l higienini\u0173 savybi\u0173 naudojamas alaus darykl\u0173 talpyklose, pieno perdirbimo \u012frangoje ir virtuv\u0117s pavir\u0161iuose.<\/li>\n<li><strong>Farmacija<\/strong>Idealiai tinka sterilioms aplinkoms, tokioms kaip chirurginiai \u012frankiai ir MRT aparat\u0173 komponentai.<\/li>\n<li><strong>Architekt\u016bra<\/strong>Apdaila, lift\u0173 plok\u0161t\u0117s ir konstrukciniai karkasai pasi\u017eymi estetiniu blizgesiu ir atsparumu oro s\u0105lygoms.<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2081 size-full aligncenter\" src=\"https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2025\/01\/316L-Stainless-Steel-3.jpg\" alt=\"316L ner\u016bdijantis plienas (3)\" width=\"800\" height=\"320\" srcset=\"https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2025\/01\/316L-Stainless-Steel-3.jpg 800w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2025\/01\/316L-Stainless-Steel-3-300x120.jpg 300w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2025\/01\/316L-Stainless-Steel-3-768x307.jpg 768w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2025\/01\/316L-Stainless-Steel-3-18x7.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><\/h3>\n<h2><strong>304 ner\u016bdijan\u010dio plieno ir 316 ner\u016bdijan\u010dio plieno palyginimas: kai atsparumas korozijai yra labai svarbus<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Nors\u00a0<strong>Med\u017eiaga 304 ner\u016bdijantis plienas<\/strong>\u00a0puikiai veikia daugumoje aplink\u0173,\u00a0<strong>316 klas\u0117<\/strong>\u00a0pranoksta j\u012f agresyviose aplinkose:<\/p>\n<ul>\n<li><strong>Molibdeno prid\u0117jimas<\/strong>316 sud\u0117tyje yra 2-3% molibdeno, kuris kovoja su chlorid\u0173 (pvz., j\u016bros vandens, apled\u0117jim\u0105 ma\u017einan\u010di\u0173 drusk\u0173) sukeliama ta\u0161kine ir ply\u0161ine korozija.<\/li>\n<li><strong>Na\u0161umas ekstremaliomis s\u0105lygomis<\/strong>:\n<ul>\n<li><strong>304<\/strong>Tinka miesto architekt\u016brai arba vidaus prietaisams, ta\u010diau gali r\u016bdyti pakran\u010di\u0173 arba chemini\u0173 med\u017eiag\u0173 veikiamose vietose.<\/li>\n<li><strong>316<\/strong>Pageidaujamas pasirinkimas j\u016brinei \u012frangai, naftos platformoms j\u016broje ir chemijos perdirbimo gamykloms.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Atvejo analiz\u0117<\/strong>J\u016bros vandens g\u0117linimo \u012frenginiuose 316 metale esantis molibdenas suma\u017eina prie\u017ei\u016bros i\u0161laidas 30%, palyginti su 304 metalu.<\/p>\n<h3><\/h3>\n<h2><strong>304 ner\u016bdijan\u010dio plieno ir 201 ner\u016bdijan\u010dio plieno med\u017eiagos: kainos ir patvarumo balansas<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p><strong>201 klas\u0117<\/strong>\u00a0yra biud\u017eetui palanki alternatyva, ta\u010diau aukoja na\u0161um\u0105:<\/p>\n<ul>\n<li><strong>Sud\u0117ties skirtumai<\/strong>Pakei\u010dia dal\u012f nikelio manganu ir azotu, suma\u017eindamas kain\u0105, bet suma\u017eindamas atsparum\u0105 korozijai.<\/li>\n<li><strong>Praktiniai kompromisai<\/strong>:\n<ul>\n<li><strong>304<\/strong>I\u0161laiko vientisum\u0105 dr\u0117gnoje arba \u0161velniai r\u016bg\u0161\u010dioje aplinkoje (pvz., restoran\u0173 virtuv\u0117se).<\/li>\n<li><strong>201<\/strong>Link\u0119s r\u016bdyti dr\u0117gnoje aplinkoje; geriau tinka vidaus dekorui arba laikinoms konstrukcijoms.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Pavyzdys<\/strong>201 pla\u010diai naudojamas nebrangiuose virtuv\u0117s reikmenyse, ta\u010diau 304 i\u0161lieka standartu auk\u0161tos klas\u0117s prietaisams, kuriems reikalingas ilgaam\u017ei\u0161kumas.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-1986 size-full aligncenter\" src=\"https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Define-Stainless-Steel-4-1.jpg\" alt=\"\" width=\"800\" height=\"400\" srcset=\"https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Define-Stainless-Steel-4-1.jpg 800w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Define-Stainless-Steel-4-1-300x150.jpg 300w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Define-Stainless-Steel-4-1-768x384.jpg 768w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Define-Stainless-Steel-4-1-18x9.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><\/h3>\n<h2><strong>304 ner\u016bdijan\u010dio plieno ir 430 ner\u016bdijan\u010dio plieno magnetin\u0117s savyb\u0117s ir pritaikymas<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p><strong>430 klas\u0117<\/strong>, feritinis ner\u016bdijantis plienas, atlieka ni\u0161inius vaidmenis:<\/p>\n<ul>\n<li><strong>Magnetizmas<\/strong>Skirtingai nuo nemagnetinio 304, 430 magnetin\u0117s savyb\u0117s leid\u017eia j\u012f naudoti indukcin\u0117se virykl\u0117se arba automobili\u0173 jutikliuose.<\/li>\n<li><strong>Korozijos apribojimai<\/strong>:\n<ul>\n<li><strong>304<\/strong>Atsparus oksidacijai dr\u0117gnoje arba r\u016bg\u0161tin\u0117je aplinkoje (pvz., laboratorin\u0117je \u012frangoje).<\/li>\n<li><strong>430<\/strong>Geriausiai tinka sausai aplinkai, pavyzd\u017eiui, indaplovi\u0173 vidui arba dekoratyvin\u0117ms apdailos detal\u0117ms.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Kainos \u012f\u017evalga<\/strong>430 kainuoja 20-30% ma\u017eiau nei 304, ta\u010diau naudojant lauke reikalingos apsaugin\u0117s dangos.<\/p>\n<h3><\/h3>\n<h2><strong>I\u0161pl\u0117stiniai med\u017eiag\u0173 pasirinkimo aspektai<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p><strong>A. Temperat\u016bros tolerancija<\/strong>:<\/p>\n<ul>\n<li><strong>Med\u017eiaga 304 ner\u016bdijantis plienas<\/strong>\u00a0Atlaiko iki 870 \u00b0C (su pertr\u016bkiais) ir 925 \u00b0C (nuolat) temperat\u016br\u0105, idealiai tinka i\u0161metimo sistemoms arba \u0161ilumokai\u010diams.<\/li>\n<li><strong>316<\/strong>Geriau veikia auk\u0161tos temperat\u016bros korozin\u0117je aplinkoje (pvz., cheminiuose reaktoriuose).<\/li>\n<\/ul>\n<p><strong>B. Gamyba ir suvirinimas<\/strong>:<\/p>\n<ul>\n<li><strong>304<\/strong>Lengvai suvirinamas ir formuojamas \u012f sud\u0117tingas formas, tod\u0117l tai puikus pasirinkimas individualiems architekt\u016briniams projektams.<\/li>\n<li><strong>430<\/strong>Link\u0119s deformuotis suvirinimo metu; reikalingas papildomas apdorojimas, kad b\u016bt\u0173 atkurtas atsparumas korozijai.<\/li>\n<\/ul>\n<p><strong>C. Tvarumas<\/strong>:<br \/>\nTiek 304, tiek 316 yra perdirbami pagal 100% standart\u0105, ta\u010diau pla\u010diai paplit\u0119s 304 naudojimas supaprastina perdirbimo procesus tokiose pramon\u0117s \u0161akose kaip automobili\u0173 gamyba.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-1919 size-full\" src=\"https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Stainless-Steel-304-2.jpg\" alt=\"Med\u017eiaga 304 ner\u016bdijantis plienas (2)\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Stainless-Steel-304-2.jpg 800w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Stainless-Steel-304-2-300x200.jpg 300w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Stainless-Steel-304-2-768x512.jpg 768w, https:\/\/www.pvdstainlesssteel.com\/wp-content\/uploads\/2024\/12\/Stainless-Steel-304-2-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><\/h3>\n<h2><strong>Kaip pasirinkti: sprendim\u0173 sistema<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"_tableWrap_11wdk_320\">\n<table>\n<thead>\n<tr>\n<th><strong>faktorius<\/strong><\/th>\n<th><strong>304<\/strong><\/th>\n<th><strong>316<\/strong><\/th>\n<th><strong>201<\/strong><\/th>\n<th><strong>430<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Atsparumas korozijai<\/strong><\/td>\n<td>Auk\u0161ta (vidutin\u0117 aplinka)<\/td>\n<td>Ekstremalus (daug chlorid\u0173)<\/td>\n<td>\u017demas<\/td>\n<td>Vidutinis (sausas)<\/td>\n<\/tr>\n<tr>\n<td><strong>Kaina<\/strong><\/td>\n<td>Vidutin\u0117s klas\u0117s<\/td>\n<td>Auk\u0161tas<\/td>\n<td>\u017demas<\/td>\n<td>\u017demas<\/td>\n<\/tr>\n<tr>\n<td><strong>Magnetizmas<\/strong><\/td>\n<td>Nemagnetinis<\/td>\n<td>Nemagnetinis<\/td>\n<td>Nemagnetinis<\/td>\n<td>Magnetinis<\/td>\n<\/tr>\n<tr>\n<td><strong>Geriausias naudojimo atvejis<\/strong><\/td>\n<td>Maisto perdirbimas, architekt\u016bra<\/td>\n<td>J\u016br\u0173, chemijos gamyklos<\/td>\n<td>Vidinis dekoras<\/td>\n<td>Automobiliai, buitin\u0117 technika<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><\/h3>\n<h2><strong>I\u0161vada<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p><strong>Med\u017eiaga 304 ner\u016bdijantis plienas<\/strong> i\u0161lieka auksiniu standartu bendrosios paskirties reikm\u0117ms, si\u016blydamas kainos, ilgaam\u017ei\u0161kumo ir atsparumo korozijai pusiausvyr\u0105. Alternatyvos, tokios kaip 316 (ekstremali aplinka), 201 (biud\u017eetiniai projektai) ir 430 (magnetiniai poreikiai), atitinka specializuotus reikalavimus. Suderindami savo projekto aplinkos poveik\u012f, mechaninius reikalavimus ir biud\u017eet\u0105 su \u0161i\u0173 r\u016b\u0161i\u0173 savyb\u0117mis, galite optimizuoti tiek na\u0161um\u0105, tiek ekonomi\u0161kum\u0105.<\/p>\n<h4>contact us<\/h4>\n<p>Galite apsilankyti pas mus\u00a0<a href=\"https:\/\/www.pvdstainlesssteel.com\/lt\/\">website<\/a>\u00a0Nor\u0117dami gauti daugiau informacijos, arba m\u016bs\u0173 Facebook puslapyje, kuriame rasite naujausius atnaujinimus ir svarbiausius projekto dalykus. Jei turite klausim\u0173 ar bendradarbiavimo u\u017eklaus\u0173, nedvejodami susisiekite su mumis ir mes mielai jums pad\u0117sime!<\/p>","protected":false},"excerpt":{"rendered":"<p>Stainless steel is a foundational material in industries ranging from construction to healthcare. Among its many variants,\u00a0Material 304 Stainless Steel\u00a0dominates due to its versatility. This article dives into its properties, compares it with key alternatives (316, 201, 430), and provides actionable insights for selecting the optimal grade. Material 304 Stainless Steel: Composition and Key Properties [&hellip;]<\/p>","protected":false},"author":1,"featured_media":731,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false},"categories":[1,84],"tags":[],"class_list":["post-2170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/posts\/2170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/comments?post=2170"}],"version-history":[{"count":0,"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/posts\/2170\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/media\/731"}],"wp:attachment":[{"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/media?parent=2170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/categories?post=2170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pvdstainlesssteel.com\/lt\/wp-json\/wp\/v2\/tags?post=2170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}