{"id":2099,"date":"2022-06-05T17:08:45","date_gmt":"2022-06-05T11:38:45","guid":{"rendered":"https:\/\/www.ambicasteels.com\/blog\/?p=2099"},"modified":"2024-11-05T11:37:14","modified_gmt":"2024-11-05T06:07:14","slug":"how-to-check-the-grade-304-and-202","status":"publish","type":"post","link":"https:\/\/www.ambicasteels.com\/blog\/how-to-check-the-grade-304-and-202\/","title":{"rendered":"How to check the grade 304 and 202?"},"content":{"rendered":"<div align=\"justify\">\n<p>Grade <a href=\"https:\/\/www.ambicasteels.com\/sae-304-stainless-steel\"><strong>304 Stainless steel<\/strong><\/a> and 202 are <strong>austenitic stainless steel<\/strong>. The face-center cube is the lattice arrangement for both grades. Grade 304 contains a larger nickel concentration than grade 202. Grade 202 is characterized by the presence of manganese and nitrogen in its chemistry. On visual cue, both grades will appear identical.<\/p>\n<ul>\n<li>Grinder test can be employed to state the identification between the grade 304 and 202. <strong>Grade 304<\/strong> will show thin reddish-orange sparks and sparks will fly for a long time due to the higher density of more nickel content. On the other hand, thick yellow sparks will appear for grade 202.<\/li>\n<li>Manganese and nickel spot tests can be administered on grades 304 and 202. Grade 304 has more nickel concentration and grade 202 has higher manganese.<\/li>\n<li>X-ray fluorescence spectroscopy is a reliable but expensive method.<\/li>\n<\/ul>\n<p>Nickel is a traded commodity and has volatile prices. Grade 304 is more expensive than grade 202 as it contains 8-10% of nickel. Grade 304 is widely used in the food processing industry, heat exchangers, etc whereas grade 202 is an economical substitution of grade 304 in some of the applications.<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Grade 304 Stainless steel and 202 are austenitic stainless steel. The face-center cube is the lattice arrangement for both grades. Grade 304 contains a larger nickel concentration than grade 202. Grade 202 is characterized by the presence of manganese and&#8230; <\/p>\n","protected":false},"author":2,"featured_media":2369,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[],"class_list":["post-2099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-frequently-asked-question-faq"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"How to check grades 304 and 202?\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Marketing Manager\"\/>\n\t<meta name=\"google-site-verification\" content=\"tmAVcg1t9-y4utUnH7en8eJVj1DSqrZ-bGMnHhpDRHU\" \/>\n\t<meta name=\"keywords\" content=\"faq\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.ambicasteels.com\/blog\/how-to-check-the-grade-304-and-202\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Stainless Steel Blog | THE OFFICIAL BLOG OF AMBICA STEELS LTD.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to check the grade 304 and 202? 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