{"id":1231,"date":"2025-08-01T15:09:34","date_gmt":"2025-08-01T07:09:34","guid":{"rendered":"https:\/\/pingheng.globaldeepsea.site\/the-difference-between-304-stainless-steel-casting-and-316-stainless-steel-casting-explained-simply\/"},"modified":"2025-08-01T15:09:34","modified_gmt":"2025-08-01T07:09:34","slug":"the-difference-between-304-stainless-steel-casting-and-316-stainless-steel-casting-explained-simply","status":"publish","type":"post","link":"https:\/\/www.thecasting-factory.com\/vi\/the-difference-between-304-stainless-steel-casting-and-316-stainless-steel-casting-explained-simply\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch \u0111\u01a1n gi\u1ea3n"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/ce69f723cbc14a6cbc8e57f60f6c933f.webp\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch \u0111\u01a1n gi\u1ea3n\"><\/p>\n<blockquote>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <a href=\"https:\/\/pingheng.globaldeepsea.site\/\" target=\"_blank\" rel=\"noopener\">\u0110\u00fac 304 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> V\u00e0 <a href=\"https:\/\/pingheng.globaldeepsea.site\/\" target=\"_blank\" rel=\"noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 316<\/a> \u0110\u00fac b\u1eaft \u0111\u1ea7u v\u1edbi trang \u0111i\u1ec3m h\u00f3a h\u1ecdc c\u1ee7a h\u1ecd. Th\u00e9p kh\u00f4ng g\u1ec9 316 bao g\u1ed3m molybdenum, gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh c\u1ee7a n\u00f3 ch\u1ed1ng l\u1ea1i c\u00e1c \u0111i\u1ec1u ki\u1ec7n r\u1ec9 s\u00e9t v\u00e0 kh\u1eafc nghi\u1ec7t. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ecdn <a href=\"https:\/\/pingheng.globaldeepsea.site\/\" target=\"_blank\" rel=\"noopener\">\u0110\u00fac \u0111\u1ea7u t\u01b0 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n k\u00e9o d\u00e0i, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a c\u00f4ng vi\u1ec7c.<\/p>\n<\/blockquote>\n<h2>Key Takeaways<\/h2>\n<ul>\n<li><a href=\"https:\/\/pingheng.globaldeepsea.site\/how-to-select-the-right-ss304-investment-casting-foundry\/\" target=\"_blank\" rel=\"noopener\">\u0110\u00fac 304 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> Cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 t\u1ed1t v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho vi\u1ec7c s\u1eed d\u1ee5ng trong nh\u00e0 h\u00e0ng ng\u00e0y nh\u01b0 nh\u00e0 b\u1ebfp v\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m.<\/li>\n<li>Ph\u00e9p \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 ch\u1ee9a molybdenum, gi\u00fap n\u00f3 m\u1ea1nh h\u01a1n ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng h\u00f3a h\u1ecdc m\u1eb7n ho\u1eb7c kh\u1eafc nghi\u1ec7t.<\/li>\n<li>Ch\u1ecdn 304 cho c\u00e1c d\u1ef1 \u00e1n th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch trong \u0111i\u1ec1u ki\u1ec7n nh\u1eb9; Ch\u1ecdn 316 cho c\u00e1c b\u1ed9 ph\u1eadn bi\u1ec3n, h\u00f3a ch\u1ea5t ho\u1eb7c ngo\u00e0i tr\u1eddi c\u1ea7n th\u00eam \u0111\u1ed9 b\u1ec1n.<\/li>\n<\/ul>\n<h2>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316: \u0110\u1ecbnh ngh\u0129a<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/c883c2a7f4f645348500c2eafd8ec4f7.webp\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316: \u0110\u1ecbnh ngh\u0129a\"><\/p>\n<h3>Vi\u1ec7c \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 l\u00e0 g\u00ec?<\/h3>\n<p><a href=\"https:\/\/pingheng.globaldeepsea.site\/uk\/how-to-select-the-right-ss304-investment-casting-foundry\/\" target=\"_blank\" rel=\"noopener\">\u0110\u00fac 304 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. M\u1ecdi ng\u01b0\u1eddi ch\u1ecdn n\u00f3 v\u00ec s\u1ef1 kh\u00e1ng c\u1ef1 m\u1ea1nh m\u1ebd c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi r\u1ec9 s\u00e9t v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u c\u00f4ng vi\u1ec7c kh\u00e1c nhau. Khi c\u00e1c x\u01b0\u1edfng \u0111\u00fac t\u1ea1o ra 304 v\u1eadt \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, ch\u00fang l\u00e0m tan ch\u1ea3y kim lo\u1ea1i v\u00e0 \u0111\u1ed5 n\u00f3 v\u00e0o khu\u00f4n \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c.<\/p>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn nhanh v\u1ec1 c\u00e1ch c\u00e1c qu\u1ed1c gia v\u00e0 ti\u00eau chu\u1ea9n kh\u00e1c nhau \u0111\u1ec1 c\u1eadp \u0111\u1ebfn 304 th\u00e9p kh\u00f4ng g\u1ec9:<\/p>\n<table>\n<thead>\n<tr>\n<th>V\u00f9ng\/Ti\u00eau chu\u1ea9n<\/th>\n<th>Ch\u1ec9 \u0111\u1ecbnh<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hoa K\u1ef3 (Aisi)<\/td>\n<td>304<\/td>\n<td>Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p ph\u1ed5 bi\u1ebfn c\u1ee7a M\u1ef9<\/td>\n<\/tr>\n<tr>\n<td>Ch\u00e2u \u00c2u (en)<\/td>\n<td>1.4301<\/td>\n<td>Ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i<\/td>\n<\/tr>\n<tr>\n<td>Nh\u1eadt B\u1ea3n (Jis)<\/td>\n<td>SUM 304<\/td>\n<td>Ch\u1ec9 \u0111\u1ecbnh ti\u00eau chu\u1ea9n c\u1ee7a Nh\u1eadt B\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>V\u01b0\u01a1ng qu\u1ed1c Anh (BS)<\/td>\n<td>304S15<\/td>\n<td>Ti\u00eau chu\u1ea9n th\u00e9p kh\u00f4ng g\u1ec9 c\u1ee7a Anh<\/td>\n<\/tr>\n<tr>\n<td>Hoa K\u1ef3 (SAE)<\/td>\n<td>30304<\/td>\n<td>Ti\u00eau chu\u1ea9n \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>\n<\/tr>\n<tr>\n<td>Hoa K\u1ef3 (ASTM)<\/td>\n<td>A276<\/td>\n<td>\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt cho c\u00e1c thanh v\u00e0 h\u00ecnh d\u1ea1ng th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ee9c (din)<\/td>\n<td>1.4301<\/td>\n<td>Ti\u00eau chu\u1ea9n \u0110\u1ee9c, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi EN 1.4301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh trong th\u00e9p kh\u00f4ng g\u1ec9 304 bao g\u1ed3m s\u1eaft, crom (kho\u1ea3ng 18-20%) v\u00e0 niken (kho\u1ea3ng 8-10.5%). C\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0 carbon, mangan v\u00e0 silicon \u0111\u01b0\u1ee3c gi\u1eef th\u1ea5p \u0111\u1ec3 gi\u00fap kim lo\u1ea1i gi\u1eef c\u1ee9ng v\u00e0 d\u1ec5 l\u00e0m vi\u1ec7c. Bi\u1ec3u \u0111\u1ed3 b\u00ean d\u01b0\u1edbi hi\u1ec3n th\u1ecb n\u1ed9i dung t\u1ed1i \u0111a c\u1ee7a t\u1eebng ph\u1ea7n t\u1eed ch\u00ednh:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/fact\/33e2be54517e4c74b51eac82f6bf40c4\/chart_1754023789356430001.webp\" alt=\"Bi\u1ec3u \u0111\u1ed3 thanh hi\u1ec3n th\u1ecb t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m n\u1ed9i dung t\u1ed1i \u0111a c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 h\u1ee3p kim ch\u00ednh trong 304 th\u00e9p kh\u00f4ng g\u1ec9\"><\/p>\n<p>Chromium gi\u00fap kim lo\u1ea1i ch\u1ed1ng l\u1ea1i r\u1ec9 s\u00e9t, trong khi niken l\u00e0m cho n\u00f3 m\u1ea1nh h\u01a1n v\u00e0 d\u1ec5 \u0111\u1ecbnh h\u00ecnh h\u01a1n. V\u00ec s\u1ef1 pha tr\u1ed9n n\u00e0y, 304 \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong nh\u00e0 b\u1ebfp, nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m v\u00e0 nhi\u1ec1u m\u00e1y m\u00f3c. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y.<\/p>\n<h3>\u0110\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 l\u00e0 g\u00ec?<\/h3>\n<p>Gasting b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n ph\u1ea3i \u0111\u1ee9ng l\u00ean v\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n h\u01a1n. S\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 l\u00e0 316 ch\u1ee9a molypden. Y\u1ebfu t\u1ed1 b\u1ed5 sung n\u00e0y mang l\u1ea1i cho 316 th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1eeb n\u01b0\u1edbc m\u1eb7n ho\u1eb7c h\u00f3a ch\u1ea5t kh\u1eafc nghi\u1ec7t.<\/p>\n<p>C\u00e1c x\u01b0\u1edfng \u0111\u00fac s\u1eed d\u1ee5ng quy tr\u00ecnh \u0111\u00fac t\u01b0\u01a1ng t\u1ef1 cho 316 nh\u01b0 trong 304. Ch\u00fang l\u00e0m tan ch\u1ea3y kim lo\u1ea1i v\u00e0 \u0111\u1ed5 n\u00f3 v\u00e0o khu\u00f4n \u0111\u1ec3 t\u1ea1o ra c\u00e1c ph\u1ea7n m\u1ea1nh m\u1ebd, chi ti\u1ebft. M\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng ch\u1ecdn 316 v\u1eadt \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 cho thi\u1ebft b\u1ecb bi\u1ec3n, b\u1ec3 h\u00f3a ch\u1ea5t v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 y t\u1ebf. Nh\u1eefng b\u1ed9 ph\u1eadn n\u00e0y c\u1ea7n k\u00e9o d\u00e0i m\u1ed9t th\u1eddi gian d\u00e0i, ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c c\u00e1c ch\u1ea5t l\u00e0m s\u1ea1ch t\u00edch c\u1ef1c.<\/p>\n<h2>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316: Th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/8e86f2f5f50d404facf705845854a0f9.webp\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316: Th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t\"><\/p>\n<h3>So s\u00e1nh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h3>\n<p>Khi nh\u00ecn v\u00e0o trang \u0111i\u1ec3m h\u00f3a h\u1ecdc, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 n\u1ed5i b\u1eadt ngay l\u1eadp t\u1ee9c. C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u ch\u1ee9a crom v\u00e0 niken, nh\u01b0ng th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 th\u00eam th\u00e0nh ph\u1ea7n. S\u1ef1 thay \u0111\u1ed5i nh\u1ecf n\u00e0y l\u00e0m cho m\u1ed9t t\u00e1c \u0111\u1ed9ng l\u1edbn.<\/p>\n<table>\n<thead>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>Th\u00e9p kh\u00f4ng g\u1ec9 304 (%)<\/th>\n<th>Th\u00e9p kh\u00f4ng g\u1ec9 316 (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Crom<\/td>\n<td>18.00 &#8211; 20.00<\/td>\n<td>16.00 &#8211; 18.00<\/td>\n<\/tr>\n<tr>\n<td>Niken<\/td>\n<td>8.00 &#8211; 10.50<\/td>\n<td>10.00 &#8211; 14.00<\/td>\n<\/tr>\n<tr>\n<td>Molypden<\/td>\n<td>Kh\u00f4ng c\u00f3 m\u1eb7t<\/td>\n<td>2.00 &#8211; 3.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>304 Th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng ch\u1ee9a kho\u1ea3ng 18% crom v\u00e0 8% niken. H\u1ed7n h\u1ee3p n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho h\u1ea7u h\u1ebft c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y. M\u1eb7t kh\u00e1c, th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 \u00edt crom h\u01a1n nh\u01b0ng nhi\u1ec1u niken h\u01a1n, c\u1ed9ng v\u1edbi 2-3% molypdenum. Molybdenum \u0111\u00f3 l\u00e0 b\u00ed m\u1eadt cho s\u1ee9c m\u1ea1nh th\u00eam c\u1ee7a n\u00f3 ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n. V\u00ec v\u1eady, trong khi c\u1ea3 hai h\u1ee3p kim \u0111\u1ec1u tr\u00f4ng gi\u1ed1ng nhau, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <a href=\"https:\/\/pingheng.globaldeepsea.site\/fr\/how-to-compare-different-stainless-steel-precision-castings-for-pipe-fittings\/\" target=\"_blank\" rel=\"noopener\">\u0110\u00fac 304 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> V\u00e0 316 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111i xu\u1ed1ng s\u1ef1 b\u1ed5 sung \u0111\u1ed9c \u0111\u00e1o n\u00e0y.<\/p>\n<h3>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n<\/h3>\n<p>Kh\u00e1ng \u0103n m\u00f2n l\u00e0 n\u01a1i hai lo\u1ea1i n\u00e0y th\u1ef1c s\u1ef1 cho th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a ch\u00fang. 304 Th\u00e9p kh\u00f4ng g\u1ec9 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00f4ng vi\u1ec7c tuy\u1ec7t v\u1eddi \u0111\u1ec3 ch\u1ed1ng l\u1ea1i r\u1ec9 s\u00e9t trong nh\u00e0 b\u1ebfp, ph\u00f2ng t\u1eafm v\u00e0 kh\u00f4ng gian trong nh\u00e0. Tuy nhi\u00ean, khi mu\u1ed1i, h\u00f3a ch\u1ea5t ho\u1eb7c ch\u1ea5t t\u1ea9y r\u1eeda kh\u1eafc nghi\u1ec7t xu\u1ea5t hi\u1ec7n, 316 th\u00e9p kh\u00f4ng g\u1ec9 d\u1eabn \u0111\u1ea7u.<\/p>\n<p>Molypden trong <a href=\"https:\/\/pingheng.globaldeepsea.site\/pl\/tin-bronze-precision-casting-in-shipbuilding-solving-saltwater-corrosion-challenges\/\" target=\"_blank\" rel=\"noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 316<\/a> T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n r\u1ed7 v\u00e0 k\u1ebd h\u1edf, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng n\u01a1i c\u00f3 nhi\u1ec1u mu\u1ed1i ho\u1eb7c h\u00f3a ch\u1ea5t. \u0110i\u1ec1u n\u00e0y l\u00e0m cho 316 s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c b\u1ed9 ph\u1eadn bi\u1ec3n, b\u1ec3 h\u00f3a h\u1ecdc v\u00e0 thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi g\u1ea7n \u0111\u1ea1i d\u01b0\u01a1ng. C\u00e1c molybden ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch l\u00e0m cho l\u1edbp oxit b\u1ea3o v\u1ec7 tr\u00ean th\u00e9p m\u1ea1nh h\u01a1n v\u00e0 kh\u00f3 ph\u00e1 v\u1ee1 h\u01a1n. Ngay c\u1ea3 khi b\u1ec1 m\u1eb7t b\u1ecb tr\u1ea7y x\u01b0\u1edbc, th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 th\u1ec3 t\u1ef1 s\u1eeda ch\u1eefa t\u1ed1t h\u01a1n 304.<\/p>\n<blockquote>\n<p>M\u1eb9o: N\u1ebfu m\u1ed9t d\u1ef1 \u00e1n li\u00ean quan \u0111\u1ebfn n\u01b0\u1edbc bi\u1ec3n, h\u00f3a ch\u1ea5t h\u1ed3 b\u01a1i ho\u1eb7c ch\u1ea5t t\u1ea9y r\u1eeda m\u1ea1nh, vi\u1ec7c \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 s\u1ebd t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n 304.<\/p>\n<\/blockquote>\n<p>Trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong nhi\u1ec1u th\u1eadp k\u1ef7, \u0111\u00f4i khi l\u00ean t\u1edbi 260 n\u0103m tr\u01b0\u1edbc khi thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng xu\u1ea5t hi\u1ec7n. 304 Th\u00e9p kh\u00f4ng g\u1ec9, kh\u00f4ng c\u00f3 molybdenum, c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u c\u00f3 d\u1ea5u hi\u1ec7u hao m\u00f2n s\u1edbm h\u01a1n nhi\u1ec1u trong \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft l\u1eadp trong nh\u00e0 ho\u1eb7c \u00edt t\u00edch c\u1ef1c h\u01a1n, 304 th\u00e9p kh\u00f4ng g\u1ec9 v\u1eabn mang l\u1ea1i tu\u1ed5i th\u1ecd d\u00e0i v\u00e0 b\u1ea3o v\u1ec7 v\u1eefng ch\u1eafc.<\/p>\n<p>Khi n\u00f3i \u0111\u1ebfn s\u1ee9c m\u1ea1nh, c\u1ea3 hai lo\u1ea1i \u0111\u1ec1u kh\u00f3 kh\u0103n, nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 kh\u00e1c bi\u1ec7t:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00e0i s\u1ea3n<\/th>\n<th>\u0110\u00fac 304 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<th>316 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n k\u00e9o (MPA)<\/td>\n<td>500-700<\/td>\n<td>400-620<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t (MPA)<\/td>\n<td>312<\/td>\n<td>348<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 c\u1ee9ng (Rockwell b)<\/td>\n<td>70<\/td>\n<td>80<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u00f3ng th\u00e9p kh\u00f4ng g\u1ec9 316 c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng n\u0103ng su\u1ea5t cao h\u01a1n, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u \u00e1p l\u1ef1c h\u01a1n tr\u01b0\u1edbc khi u\u1ed1n cong ho\u1eb7c hao m\u00f2n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c c\u00f4ng vi\u1ec7c h\u1ea1ng n\u1eb7ng trong m\u00f4i tr\u01b0\u1eddng kh\u00f3 kh\u0103n.<\/p>\n<h3>Chi ph\u00ed v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/h3>\n<p>Chi ph\u00ed th\u01b0\u1eddng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 l\u1edbn trong vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa hai lo\u1ea1i n\u00e0y. 304 chi ph\u00ed \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u00edt h\u01a1n v\u00ec n\u00f3 kh\u00f4ng ch\u1ee9a molybdenum v\u00e0 c\u00f3 \u00edt niken h\u01a1n. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1ed1ng \u0103n m\u00f2n c\u1ef1c \u0111\u1ed9, 304 l\u00e0 t\u00f9y ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch.<\/p>\n<p>316 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 gi\u00e1 cao h\u01a1n \u0111\u00f4i khi cao h\u01a1n 40% \u0111\u1ebfn 75% cao h\u01a1n 304. Tuy nhi\u00ean, chi ph\u00ed b\u1ed5 sung n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ec1n \u0111\u00e1p \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n nhi\u1ec1u nh\u1ea5t. Theo th\u1eddi gian, s\u1eed d\u1ee5ng 316 c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m ti\u1ec1n b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1eeda ch\u1eefa v\u00e0 thay th\u1ebf trong c\u00e1c thi\u1ebft l\u1eadp kh\u1eafc nghi\u1ec7t.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn cho t\u1eebng lo\u1ea1i:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<th>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/td>\n<td>C\u00e1c s\u1ea3n ph\u1ea9m gia d\u1ee5ng (b\u1ed9 \u0111\u1ed3 \u0103n, t\u1ee7, \u0111\u01b0\u1eddng \u1ed1ng trong nh\u00e0, m\u00e1y n\u01b0\u1edbc n\u00f3ng, n\u1ed3i h\u01a1i, b\u1ed3n t\u1eafm), ph\u1ee5 t\u00f9ng \u00f4 t\u00f4 (c\u1ea7n g\u1ea1t n\u01b0\u1edbc, b\u1ed9 gi\u1ea3m \u00e2m, s\u1ea3n ph\u1ea9m \u0111\u00fac), thi\u1ebft b\u1ecb y t\u1ebf, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, c\u00f4ng nghi\u1ec7p h\u00f3a h\u1ecdc, c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, n\u00f4ng nghi\u1ec7p, ph\u1ee5 t\u00f9ng t\u00e0u t\u00e0u<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 316<\/td>\n<td>Thi\u1ebft b\u1ecb cho n\u01b0\u1edbc bi\u1ec3n, h\u00f3a ch\u1ea5t, thu\u1ed1c nhu\u1ed9m, gi\u1ea5y, axit oxalic, s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n; nhi\u1ebfp \u1ea3nh; C\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m; c\u01a1 s\u1edf ven bi\u1ec3n; d\u00e2y th\u1eebng, bu l\u00f4ng, \u0111ai \u1ed1c; b\u00e1nh r\u0103ng \u00f4 t\u00f4; Thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a d\u1ea7u; ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y v\u00e0 b\u1ed9t gi\u1ea5y; m\u00f4i tr\u01b0\u1eddng bi\u1ec3n; D\u01b0\u1ee3c ph\u1ea9m; thi\u1ebft b\u1ecb ph\u1eabu thu\u1eadt; v\u1ecf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>304 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho b\u1ed3n r\u1eeda nh\u00e0 b\u1ebfp, thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng trong nh\u00e0.<\/li>\n<li>316 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 ph\u1ea7n c\u1ee9ng cho ph\u1ea7n c\u1ee9ng bi\u1ec3n, b\u1ec3 h\u00f3a ch\u1ea5t, d\u1ee5ng c\u1ee5 y t\u1ebf v\u00e0 \u0111\u1ed3 \u0111\u1ea1c ngo\u00e0i tr\u1eddi g\u1ea7n b\u1edd bi\u1ec3n.<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 th\u01b0\u1eddng \u0111i xu\u1ed1ng n\u01a1i m\u00e0 b\u1ed9 ph\u1eadn s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 c\u1ea7n bao nhi\u00eau kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. N\u1ebfu m\u00f4i tr\u01b0\u1eddng nh\u1eb9 v\u00e0 chi ph\u00ed l\u00e0 m\u1ed9t m\u1ed1i quan t\u00e2m, 304 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn v\u1eefng ch\u1eafc. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft l\u1eadp kh\u1eafc nghi\u1ec7t, m\u1eb7n ho\u1eb7c n\u1eb7ng v\u1ec1 h\u00f3a ch\u1ea5t, 316 l\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0.<\/p>\n<hr>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 \u0111i xu\u1ed1ng n\u01a1i m\u1ed7i c\u00e1i \u0111\u1ec1u t\u1ecfa s\u00e1ng. Ki\u1ec3m tra so s\u00e1nh nhanh n\u00e0y:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/th>\n<th>Th\u00e9p kh\u00f4ng g\u1ec9 316<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00e1ng \u0103n m\u00f2n<\/td>\n<td>T\u1ed1t cho h\u1ea7u h\u1ebft c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/td>\n<td>T\u1ed1t nh\u1ea5t cho c\u00e1c c\u00e0i \u0111\u1eb7t kh\u1eafc nghi\u1ec7t, m\u1eb7n ho\u1eb7c h\u00f3a h\u1ecdc<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ecb gi\u00e1<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>Cao h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u1ea3 hai \u0111\u1ec1u k\u00e9o d\u00e0i m\u1ed9t th\u1eddi gian d\u00e0i, nh\u01b0ng Molybdenum c\u1ee7a 316 gi\u00fap n\u00f3 x\u1eed l\u00fd c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n chung, 304 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t, 316 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>\u0110i\u1ec1u g\u00ec l\u00e0m cho vi\u1ec7c \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 316 t\u1ed1t h\u01a1n cho vi\u1ec7c s\u1eed d\u1ee5ng bi\u1ec3n?<\/h3>\n<blockquote>\n<p>Molypden trong th\u00e9p kh\u00f4ng g\u1ec9 316 gi\u00fap n\u00f3 ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n n\u01b0\u1edbc m\u1eb7n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho thuy\u1ec1n, b\u1ebfn c\u1ea3ng v\u00e0 thi\u1ebft b\u1ecb ven bi\u1ec3n.<\/p>\n<\/blockquote>\n<h3>B\u1ea1n c\u00f3 th\u1ec3 h\u00e0n c\u1ea3 hai v\u1eadt \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 316 kh\u00f4ng?<\/h3>\n<p>C\u00f3, c\u1ea3 hai lo\u1ea1i c\u00f3 th\u1ec3 l\u00e0 <a href=\"https:\/\/pingheng.globaldeepsea.site\/fr\/why-stainless-steel-precision-casting-boosts-welding-efficiency\/\" target=\"_blank\" rel=\"noopener\">h\u00e0n<\/a>. 316 Th\u00e9p kh\u00f4ng g\u1ec9 c\u1ea7n v\u1eadt li\u1ec7u ph\u1ee5 \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. Lu\u00f4n l\u00e0m s\u1ea1ch khu v\u1ef1c h\u00e0n cho c\u00e1c kh\u1edbp m\u1ea1nh.<\/p>\n<h3>\u0110\u00f3ng \u0111\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 an to\u00e0n cho ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m kh\u00f4ng?<\/h3>\n<ul>\n<li>\u0110\u00fang, <a href=\"https:\/\/pingheng.globaldeepsea.site\/de\/how-to-select-the-right-ss304-investment-casting-foundry\/\" target=\"_blank\" rel=\"noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 304<\/a> c\u00f3 an to\u00e0n th\u1ef1c ph\u1ea9m kh\u00f4ng.<\/li>\n<li>Nhi\u1ec1u nh\u00e0 b\u1ebfp v\u00e0 c\u00e1c nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m s\u1eed d\u1ee5ng n\u00f3 cho b\u1ed3n r\u1eeda, qu\u1ea7y v\u00e0 d\u1ee5ng c\u1ee5.<\/li>\n<li>N\u00f3 ch\u1ed1ng l\u1ea1i r\u1ec9 s\u00e9t v\u00e0 gi\u1eef cho th\u1ee9c \u0103n s\u1ea1ch s\u1ebd.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <a href=\"https:\/\/pingheng.globaldeepsea.site\/\">\u0110\u00fac 304 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> V\u00e0 <a href=\"https:\/\/pingheng.globaldeepsea.site\/\">Th\u00e9p kh\u00f4ng g\u1ec9 316<\/a> \u0110\u00fac b\u1eaft \u0111\u1ea7u v\u1edbi trang \u0111i\u1ec3m h\u00f3a h\u1ecdc c\u1ee7a h\u1ecd. Th\u00e9p kh\u00f4ng g\u1ec9 316 bao g\u1ed3m molybdenum, gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh c\u1ee7a n\u00f3 ch\u1ed1ng l\u1ea1i c\u00e1c \u0111i\u1ec1u ki\u1ec7n r\u1ec9 s\u00e9t v\u00e0 kh\u1eafc nghi\u1ec7t. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ecdn <a href=\"https:\/\/pingheng.globaldeepsea.site\/\">\u0110\u00fac \u0111\u1ea7u t\u01b0 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n k\u00e9o d\u00e0i, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a c\u00f4ng vi\u1ec7c.<\/p>","protected":false},"author":1,"featured_media":1230,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71],"tags":[74,75],"class_list":["post-1231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-304-stainless-steel-investment-castings","tag-316-stainless-steel-investment-castings"],"_links":{"self":[{"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/posts\/1231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/comments?post=1231"}],"version-history":[{"count":0,"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/posts\/1231\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/media\/1230"}],"wp:attachment":[{"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/media?parent=1231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/categories?post=1231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thecasting-factory.com\/vi\/wp-json\/wp\/v2\/tags?post=1231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}