{"id":17218,"date":"2025-10-31T10:05:27","date_gmt":"2025-10-31T02:05:27","guid":{"rendered":"https:\/\/www.dillerbottle.com\/?p=17218"},"modified":"2025-10-30T10:23:34","modified_gmt":"2025-10-30T02:23:34","slug":"cach-nhan-biet-thep-khong-gi","status":"publish","type":"post","link":"https:\/\/www.dillerbottle.com\/vn\/info\/how-to-tell-if-stainless-steel.html","title":{"rendered":"C\u00e1ch nh\u1eadn bi\u1ebft th\u00e9p kh\u00f4ng g\u1ec9"},"content":{"rendered":"

M\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, d\u1ee5ng c\u1ee5 nh\u00e0 b\u1ebfp, Chai n\u01b0\u1edbc th\u1ec3 thao<\/a>, v\u00e0 b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc c\u00e1ch nhi\u1ec7t<\/a> l\u00e0 Th\u00e9p kh\u00f4ng g\u1ec9.<\/strong> Tuy nhi\u00ean, \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed, nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 k\u1ebft h\u1ee3p c\u00e1c v\u1eadt li\u1ec7u k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c th\u1eadm ch\u00ed s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 gi\u1ea3 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng tr\u00ean to\u00e0n c\u1ea7u. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch mua s\u1eafm l\u1edbn, c\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u00e3n hi\u1ec7u ri\u00eang, nh\u00e0 ph\u00e2n ph\u1ed1i v\u00e0 nh\u00e0 b\u00e1n l\u1ebb n\u00ean n\u1eafm r\u00f5 c\u00e1ch x\u00e1c \u0111\u1ecbnh th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh h\u00e3ng b\u1eb1ng c\u00e1ch x\u00e1c minh c\u1ea5p \u0111\u1ed9 c\u1ee7a n\u00f3 v\u00e0 hi\u1ec3u c\u00e1ch \u0111\u00e1nh gi\u00e1 xem n\u00f3 c\u00f3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ecd hay kh\u00f4ng.<\/p>\n

Kh\u00f4ng c\u1ea7n \u0111\u1ebfn ph\u00f2ng th\u00ed nghi\u1ec7m, h\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u1ea3i l\u00e0 h\u00e0ng th\u1eadt hay kh\u00f4ng. Vi\u1ec7c bi\u1ebft c\u00e1ch ph\u00e2n bi\u1ec7t tr\u1ef1c ti\u1ebfp c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nhau nh\u01b0 304 ho\u1eb7c 201 c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng d\u1ee5ng trong \u0111\u1ed3 d\u00f9ng u\u1ed1ng<\/h2>\n
\n
\n\n\n\n\n\n\n\n
H\u1ea1ng<\/th>\nKi\u1ec3u<\/th>\n\u0110\u1eb7c tr\u01b0ng<\/th>\n\u0110\u01a1n \u0111\u0103ng k\u00fd<\/th>\n<\/tr>\n<\/thead>\n
Th\u00e9p kh\u00f4ng g\u1ec9 304<\/strong><\/td>\nD\u00f9ng cho th\u1ef1c ph\u1ea9m (18\/8)<\/td>\nKh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao, an to\u00e0n cho \u0111\u1ed3 u\u1ed1ng n\u00f3ng.<\/td>\nChai gi\u1eef nhi\u1ec7t, c\u1ed1c gi\u1eef nhi\u1ec7t c\u00e0 ph\u00ea<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 201<\/strong><\/td>\nChi ph\u00ed th\u1ea5p h\u01a1n<\/td>\nKh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trung b\u00ecnh<\/td>\nChai n\u01b0\u1edbc qu\u1ea3ng c\u00e1o<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 316<\/strong><\/td>\nD\u00f9ng trong y t\u1ebf<\/td>\nCh\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi<\/td>\nB\u00ecnh s\u1eefa cho tr\u1ebb s\u01a1 sinh, s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 ch\u00e2n th\u1ef1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\n

\"\"<\/p>\n

1. Ki\u1ec3m tra nam ch\u00e2m (D\u1ec5 d\u00e0ng & Nhanh ch\u00f3ng)<\/h3>\n

\u0110\u1ec3 ki\u1ec3m tra, h\u00e3y \u00e1p m\u1ed9t nam ch\u00e2m l\u00ean b\u1ec1 m\u1eb7t th\u00e9p \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 c\u1ee5 th\u1ec3 hay kh\u00f4ng.<\/p>\n

K\u1ebft qu\u1ea3:<\/strong><\/p>\n

S\u1ee9c h\u00fat t\u1eeb t\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 ho\u1eb7c y\u1ebfu ho\u1eb7c kh\u00f4ng c\u00f3.<\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 201 c\u00f3 l\u1ef1c t\u1eeb t\u00ednh m\u1ea1nh h\u01a1n.<\/p>\n

T\u1eeb t\u00ednh c\u1ef1c cao trong th\u00e9p gi\u1ea3 (s\u1eaft)<\/p>\n

L\u01b0u \u00fd: Ki\u1ec3m tra t\u1eeb t\u00ednh h\u1eefu \u00edch cho vi\u1ec7c s\u00e0ng l\u1ecdc nhanh ch\u00f3ng nh\u01b0ng kh\u00f4ng ch\u00ednh x\u00e1c 100% khi s\u1eed d\u1ee5ng ri\u00eang l\u1ebb.<\/p>\n

\u2705 2. Th\u1eed nghi\u1ec7m g\u1ec9 s\u00e9t trong n\u01b0\u1edbc m\u1eb7n<\/h3>\n

C\u00e1ch th\u1ef1c hi\u1ec7n m\u1ed9t b\u00e0i ki\u1ec3m tra:<\/strong><\/p>\n

Th\u00eam m\u1ed9t ch\u00fat mu\u1ed1i v\u00e0o n\u01b0\u1edbc \u1ea5m.<\/p>\n

Sau khi lau s\u1ea1ch b\u1ec1 m\u1eb7t th\u00e9p, h\u00e3y \u0111\u1ee3i m\u1ed9t ng\u00e0y.<\/p>\n

K\u1ebft qu\u1ea3:<\/strong><\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 304 kh\u00f4ng b\u1ecb g\u1ec9.<\/p>\n

C\u00e1c v\u1ebft g\u1ec9 nh\u1ecf tr\u00ean th\u00e9p kh\u00f4ng g\u1ec9 201<\/p>\n

Th\u00e9p gi\u1ea3 d\u1ec5 b\u1ecb g\u1ec9 s\u00e9t v\u00e0 g\u1ec9 s\u00e9t n\u1eb7ng.<\/p>\n

\u2705 3. B\u00e0i ki\u1ec3m tra tia l\u1eeda<\/h3>\n

C\u00e1ch ki\u1ec3m tra:<\/strong><\/p>\n

S\u1eed d\u1ee5ng gi\u1ea5y nh\u00e1m ho\u1eb7c m\u00e1y m\u00e0i \u0111\u1ec3 m\u00e0i nh\u1eb9 b\u1ec1 m\u1eb7t.<\/p>\n

K\u1ebft qu\u1ea3<\/strong>:<\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh h\u00e3ng v\u1edbi \u00edt tia l\u1eeda.<\/p>\n

Nh\u1eefng tia l\u1eeda l\u1edbn, s\u00e1ng ch\u00f3i t\u1eeb th\u00e9p carbon ho\u1eb7c s\u1eaft<\/p>\n

\u2705 4. Ki\u1ec3m tra tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 d\u00e0y<\/h3>\n

So v\u1edbi c\u00e1c h\u1ee3p kim kim lo\u1ea1i gi\u00e1 r\u1ebb, th\u00e9p kh\u00f4ng g\u1ec9 th\u1eadt c\u00f3 c\u1ea3m gi\u00e1c d\u00e0y \u0111\u1eb7c v\u00e0 n\u1eb7ng h\u01a1n.
\nV\u00ec s\u1eed d\u1ee5ng th\u00e9p ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p trong \u0111\u1ed3 d\u00f9ng ch\u1ee9a \u0111\u1ed3 u\u1ed1ng, c\u00e1c chai nh\u1ef1a gi\u1ea3 inox c\u00f3 th\u1ec3 c\u1ea3m gi\u00e1c nh\u1eb9 v\u00e0 m\u1ecfng.<\/p>\n

\u2705 5. Th\u1eed nghi\u1ec7m h\u00f3a h\u1ecdc axit nitric<\/h3>\n

\u0110\u1ec3 x\u00e1c nh\u1eadn c\u1ee7a chuy\u00ean gia:<\/strong><\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 304 kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi axit nitric.<\/p>\n

Tuy nhi\u00ean, n\u00f3 l\u00e0m m\u00f2n th\u00e9p d\u1ef1a tr\u00ean s\u1eaft c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p.<\/p>\n

N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c nh\u00e0 m\u00e1y.<\/p>\n

C\u00e1ch ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 (201 v\u00e0 304)<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n
Ki\u1ec3m tra<\/th>\nTh\u00e9p kh\u00f4ng g\u1ec9 201<\/th>\nTh\u00e9p kh\u00f4ng g\u1ec9 304<\/th>\n<\/tr>\n<\/thead>\n
T\u1eeb t\u00ednh<\/td>\nM\u1ea1nh m\u1ebd h\u01a1n<\/td>\nY\u1ebfu ho\u1eb7c kh\u00f4ng c\u00f3<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9<\/td>\nTrung b\u00ecnh<\/td>\nTuy\u1ec7t v\u1eddi<\/td>\n<\/tr>\n
Gi\u00e1<\/td>\nTh\u1ea5p h\u01a1n<\/td>\nCao h\u01a1n<\/td>\n<\/tr>\n
S\u1eed d\u1ee5ng trong \u0111\u1ed3 d\u00f9ng u\u1ed1ng<\/td>\nNg\u00e2n s\u00e1ch<\/td>\nTh\u1ef1c ph\u1ea9m cao c\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1ch Diller \u0111\u1ea3m b\u1ea3o t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\n

Nh\u01b0 m\u1ed9t Nh\u00e0 s\u1ea3n xu\u1ea5t chuy\u00ean nghi\u1ec7p c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ed3 u\u1ed1ng b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/strong> T\u1ea1i Trung Qu\u1ed1c, Diller \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng Th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 316 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn.<\/strong> cho chai cao c\u1ea5p. M\u1ed7i l\u00f4 nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec1u \u0110\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u00e1y ph\u00e2n t\u00edch kim lo\u1ea1i<\/strong>, v\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 Cung c\u1ea5p b\u00e1o c\u00e1o SGS v\u00e0 FDA.<\/strong> \u0111\u1ec3 x\u00e1c minh.<\/p>\n

\u2705 B\u00e1o c\u00e1o v\u1eadt li\u1ec7u c\u00f3 s\u1eb5n
\u2705 H\u1ed7 tr\u1ee3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c ph\u1ea9m
\u2705 S\u1ea3n xu\u1ea5t \u0111\u1ed3 d\u00f9ng u\u1ed1ng b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 theo m\u00f4 h\u00ecnh OEM v\u00e0 ODM<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

One of the most common materials for industrial equipment, kitchenware, sports bottles, and insulated water bottles is stainless steel. However, in an effort to cut costs, many manufacturers combine inferior materials or even use imitation stainless steel in response to the growing demand worldwide. Before making big purchases, private label brands, wholesalers, and resellers should […]<\/p>\n","protected":false},"author":1,"featured_media":17219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[1150],"class_list":["post-17218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info","tag-stainless-steel"],"acf":[],"yoast_head":"\nHow to Tell If Stainless Steel - Diller Water Bottle Manufacturer<\/title>\n<meta name=\"description\" content=\"Learn how to tell if stainless steel is authentic with simple tests and avoid inferior materials in your purchases.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dillerbottle.com\/vn\/thong-tin\/cach-nhan-biet-thep-khong-gi-html\" \/>\n<meta property=\"og:locale\" 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