{"id":9716,"date":"2023-10-29T15:28:36","date_gmt":"2023-10-29T15:28:36","guid":{"rendered":"https:\/\/nishiki-cycle.com\/demo\/?p=9716"},"modified":"2023-10-29T15:28:36","modified_gmt":"2023-10-29T15:28:36","slug":"chat-lieu-thep-khong-gi-904l-co-tot-hon-thep-316l-tai-sao-rolex-lai-su-dung-thep-904l","status":"publish","type":"post","link":"https:\/\/nishiki-cycle.com\/demo\/chat-lieu-thep-khong-gi-904l-co-tot-hon-thep-316l-tai-sao-rolex-lai-su-dung-thep-904l\/","title":{"rendered":"Ch\u1ea5t li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 904L c\u00f3 t\u1ed1t h\u01a1n th\u00e9p 316L? T\u1ea1i sao Rolex l\u1ea1i s\u1eed d\u1ee5ng th\u00e9p 904L?"},"content":{"rendered":"\n\n
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Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 kim lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ed3ng h\u1ed3. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0m v\u1ecf hay d\u00e2y \u0111eo \u0111\u1ed3ng h\u1ed3 b\u1edfi t\u00ednh ch\u1eafc ch\u1eafn, b\u1ec1n b\u1ec9 v\u1edbi chi ph\u00ed ph\u1ea3i ch\u0103ng. Gi\u1ed1ng nh\u01b0 v\u00e0ng, th\u00e9p c\u0169ng c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, v\u00e0 m\u1ed7i lo\u1ea1i th\u00e9p c\u00f3 \u01b0u, nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. C\u00e1c h\u00e3ng \u0111\u1ed3ng h\u1ed3 s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 th\u00e9p 316L v\u00e0 th\u00e9p 904L. V\u1eady b\u1ea1n c\u00f3 bi\u1ebft s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 2 lo\u1ea1i th\u00e9p n\u00e0y kh\u00f4ng?<\/b><\/p>\n

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\u0110i\u1ec3m chung gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 316L v\u00e0 904L<\/b><\/p>\n

V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 h\u1ee3p kim c\u1ee7a s\u1eaft v\u00e0 cacbon, c\u00f9ng m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng kh\u00e1c. Kh\u00e1c v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng, th\u00e9p kh\u00f4ng g\u1ec9 s\u1ebd kh\u00f4ng b\u1ecb oxy ho\u00e1, b\u1ec1n b\u1ec9 v\u1edbi th\u1eddi gian. C\u00f3 \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t n\u00e0y l\u00e0 nh\u1edd v\u00e0o th\u00e0nh ph\u1ea7n g\u1ed3m c\u00f3 \u00edt nh\u1ea5t 10,5% crom, cacbon v\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng kh\u00e1c. B\u1edfi s\u1ef1 thay \u0111\u1ed5i \u00edt nhi\u1ec1u c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 b\u00ean trong n\u00ean s\u1ebd h\u00ecnh th\u00e0nh nh\u1eefng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 v\u1edbi t\u00ean g\u1ecdi kh\u00e1c nhau.<\/span><\/p>\n

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\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong vi\u1ec7c s\u1ea3n xu\u1ea5t \u0111\u1ed3ng h\u1ed3 l\u00e0 hai lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 316L v\u00e0 904L. C\u1ea3 2 \u0111\u1ec1u l\u00e0 bi\u1ebfn th\u1ec3 c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenit v\u1edbi d\u1ea1ng c\u1ea5u tr\u00fac tinh th\u1ec3 ch\u1eafc ch\u1eafn. C\u1ee5 th\u1ec3, th\u00e0nh ph\u1ea7n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenit s\u1ebd c\u00f3 th\u00eam niken, mangan ho\u1eb7c nit\u01a1 v\u00e0o h\u1ee3p kim c\u01a1 b\u1ea3n c\u1ee7a cacbon, s\u1eaft v\u00e0 crom.<\/span><\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 304<\/b><\/h2>\n

Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 316L v\u00e0 904L, c\u00f9ng Phoenix Luxury t\u00ecm hi\u1ec3u m\u1ed9t lo\u1ea1i th\u00e9p ph\u1ed5 bi\u1ebfn h\u01a1n trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y, nh\u01b0ng l\u1ea1i \u00edt \u0111\u01b0\u1ee3c xu\u1ea5t hi\u1ec7n trong ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf t\u00e1c \u0111\u1ed3ng h\u1ed3 – <\/span>Th\u00e9p 304<\/b>. Th\u00e9p 304 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong v\u00f4 v\u00e0n v\u1eadt d\u1ee5ng h\u00e0ng ng\u00e0y xung quanh b\u1ea1n, t\u1eeb v\u0103n ph\u00f2ng l\u00e0m vi\u1ec7c cho t\u1edbi ng\u00f4i nh\u00e0 \u1ea5m c\u00fang. Nh\u1eefng c\u00e1i ch\u1ea3o th\u00e9p, c\u00e1i dao, c\u00e1i k\u00e9p th\u01b0\u1eddng b\u1eaft g\u1eb7p r\u1ea5t \u201cc\u00f3 th\u1ec3\u201d l\u00e0 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p 304.<\/span><\/p>\n

Gi\u00e1 th\u00e0nh t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh gi\u1ea3i th\u00edch cho vi\u1ec7c th\u00e9p 304 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111\u1eddi s\u1ed1ng. B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c gia c\u00f4ng th\u00e9p 304 c\u0169ng d\u1ec5 d\u00e0ng h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c. So v\u1edbi th\u00e9p 316L hay 904L, th\u00e9p 304 d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n. M\u1ed3 h\u00f4i (n\u01b0\u1edbc bi\u1ec3n) l\u00e0 nh\u1eefng t\u00e1c nh\u00e2n g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed3ng h\u1ed3 nhi\u1ec1u nh\u1ea5t n\u00ean th\u00e9p 304 kh\u00f4ng th\u1ef1c s\u1ef1 ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u00e0m \u0111\u1ed3ng h\u1ed3.<\/span><\/p>\n

Th\u00eam m\u1ed9t \u0111i\u1ec3m n\u1eefa, th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng cacbon cao h\u01a1n nh\u01b0 so v\u1edbi th\u00e9p 316L n\u00ean m\u00e0u c\u0169ng s\u1eabm h\u01a1n ch\u00fat.\u00a0<\/span><\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 316L<\/b><\/h2>\n

316L l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ed3ng h\u1ed3. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n c\u1ee7a th\u00e9p 316L so v\u1edbi th\u00e9p 304 \u0111\u1ebfn t\u1eeb h\u00e0m l\u01b0\u1ee3ng vi ch\u1ea5t molypden nhi\u1ec1u h\u01a1n. V\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao, th\u00e9p 316L th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh y t\u1ebf v\u00e0 h\u00e0ng h\u1ea3i.\u00a0<\/span><\/p>\n

Ch\u1eef L ph\u00eda sau c\u1ee7a \u201c316L\u201d \u0111\u1ea1i di\u1ec7n cho h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p, v\u00e0 \u0111\u00f3 l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i gi\u1eefa th\u00e9p 316 v\u00e0 th\u00e9p 316L. C\u1ea3 2 lo\u1ea1i th\u00e9p c\u00f3 nhi\u1ec1u \u0111i\u1ec3m chung nh\u01b0ng th\u00e9p 316L \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao h\u01a1n v\u1ec1 t\u00ednh \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh \u0103n m\u00f2n c\u0169ng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao. Kh\u1ea3 n\u0103ng kh\u00e1ng t\u1eeb c\u1ee7a th\u00e9p 316L c\u0169ng t\u1ed1t h\u01a1n.<\/span><\/p>\n

C\u0169ng b\u1edfi c\u00e1c \u0111\u1eb7c t\u00ednh quan tr\u1ecdng tr\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 316L \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t h\u1ea7u h\u1ebft c\u00e1c d\u00f2ng \u0111\u1ed3ng h\u1ed3 th\u00e9p cao c\u1ea5p. Khi x\u00e9t v\u1ec1 t\u00ednh ch\u1ea5t c\u00f9ng gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i ph\u00f9 h\u1ee3p, th\u00e9p kh\u00f4ng g\u1ec9 316L l\u00e0 h\u1ee3p kim quan tr\u1ecdng nh\u1ea5t, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3ng h\u1ed3.<\/span><\/p>\n

Th\u00e9p kh\u00f4ng g\u1ec9 904L<\/b><\/h2>\n

N\u1ebfu th\u00e9p 316L l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t v\u1ec1 gi\u00e1, v\u1eady t\u1ea1i sao v\u1eabn c\u00f2n c\u00f3 th\u00eam th\u00e9p 904L?<\/span><\/p>\n

N\u1ebfu xem x\u00e9t k\u1ef9 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, ch\u00fang ta c\u1ea7n ph\u1ea3i th\u00e0nh th\u1eadt h\u01a1n m\u1ed9t ch\u00fat khi kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng 904L l\u00e0 m\u1ed9t h\u1ee3p kim cao c\u1ea5p. \u0110\u00e2y l\u00e0 h\u1ee3p kim c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ef1c k\u1ef3 cao. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong m\u1ed9t s\u1ed1 ng\u00e0nh ngh\u1ec1 c\u1ee5 th\u1ec3, nh\u01b0ng v\u1ec1 c\u01a1 b\u1ea3n, v\u1edbi \u0111\u1ed3ng h\u1ed3, th\u00e9p 316L \u0111\u00e3 l\u00e0 qu\u00e1 \u0111\u1ee7.<\/span><\/p>\n

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Th\u00e9p kh\u00f4ng g\u1ec9 904L c\u00f3 th\u00e0nh ph\u1ea7n ch\u1ee9a nhi\u1ec1u crom, molypden v\u00e0 niken h\u01a1n th\u00e9p 316L, trong khi \u0111\u1ed3ng, mangan v\u00e0 silicon c\u0169ng t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cho h\u1ee3p kim n\u00e0y. V\u1edbi nh\u1eefng \u0111\u1eb7c t\u00ednh c\u1ee7a m\u00ecnh, th\u00e9p 904L kh\u00f3 gia c\u00f4ng h\u01a1n, v\u00e0 gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi th\u00e9p 316L.<\/span><\/p>\n

Hi\u1ec7n th\u01b0\u01a1ng hi\u1ec7u Rolex \u0111ang s\u1eed d\u1ee5ng th\u00e9p 904L cho m\u1ecdi \u0111\u1ed3ng h\u1ed3 c\u1ee7a h\u00e3ng k\u1ec3 t\u1eeb n\u0103m 2003. T\u1eeb v\u1ecf cho t\u1edbi d\u00e2y \u0111eo c\u1ee7a \u0111\u1ed3ng h\u1ed3 nh\u00e0 Rolex \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p 904L. V\u00e0 Rolex t\u1ef1 \u0111\u1eb7t t\u00ean cho h\u1ee3p kim th\u00e9p kh\u00f4ng g\u1ec9 m\u00ecnh s\u1eed d\u1ee5ng l\u00e0 Oyster Steel. Th\u01b0\u01a1ng hi\u1ec7u \u0111\u00e3 \u0111\u1ea7u t\u01b0 r\u1ea5t nhi\u1ec1u v\u00e0o c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 gia c\u00f4ng 904L th\u00f4 do thi\u1ebft b\u1ecb ti\u00eau chu\u1ea9n kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. C\u00f3 th\u1ec3 th\u1ea5y, Rolex \u0111\u00e3 m\u1ea1nh tay \u0111\u1ea7u t\u01b0 \u0111\u1ec3 ch\u1ebf t\u00e1c ra nh\u1eefng m\u1eabu \u0111\u1ed3ng h\u1ed3 \u0111\u1eb3ng c\u1ea5p x\u1ee9ng t\u1ea7m th\u01b0\u01a1ng hi\u1ec7u.<\/span><\/p>\n

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Ngo\u00e0i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, khi \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng v\u1edbi k\u1ef9 thu\u1eadt t\u1ed1t t\u1eeb Rolex, th\u00e9p 904L c\u00f3 \u0111\u1ed9 s\u00e1ng b\u1eaft m\u1eaft v\u00e0 n\u1ed5i b\u1eadt. Nh\u1edd h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p h\u01a1n v\u00e0 h\u00e0m l\u01b0\u1ee3ng crom cao h\u01a1n, m\u00e0u s\u1eafc c\u1ee7a th\u00e9p 904L c\u0169ng l\u1ea1nh h\u01a1n v\u00e0 tr\u1eafng h\u01a1n m\u1ed9t ch\u00fat.<\/span><\/p>\n

Rolex \u0111\u00e3 t\u1ea1o ra th\u00e0nh c\u00f4ng l\u1edbn khi g\u1eafn li\u1ec1n th\u00e9p 904L v\u1edbi t\u00ean c\u1ee7a m\u00ecnh. Tuy nhi\u00ean, th\u01b0\u01a1ng hi\u1ec7u \u0111\u1ed3ng h\u1ed3 xa x\u1ec9 n\u00e0y c\u0169ng kh\u00f4ng ph\u1ea3i c\u00e1i t\u00ean \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng th\u00e9p 904L trong vi\u1ec7c ch\u1ebf t\u00e1c \u0111\u1ed3ng h\u1ed3. V\u00e0o n\u0103m 1971, Omega \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t h\u1ee3p kim c\u00f3 t\u00ean \u201cTh\u00e9p Uranus\u201d trong \u0111\u1ed3ng h\u1ed3 Ploprof 600 (ref 166.077), v\u00e0 n\u00f3 ch\u00ednh l\u00e0 th\u00e9p 904L.<\/span><\/p>\n

V\u1eady th\u00e9p 316L hay 904L t\u1ed1t h\u01a1n?<\/b><\/h2>\n

Th\u00e9p 904L c\u00f3 c\u00e1c \u01b0u \u0111i\u1ec3m v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n nh\u01b0ng tr\u00ean kh\u00eda c\u1ea1nh chi ph\u00ed, th\u00e9p 316L l\u1ea1i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao h\u01a1n.<\/span><\/p>\n

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Th\u00e9p 316L, \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u th\u01b0\u01a1ng hi\u1ec7u \u01b0a chu\u1ed9ng, hay ch\u00ednh x\u00e1c l\u00e0 ph\u1ea7n l\u1edbn c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed3ng h\u1ed3 \u0111\u1ec1u s\u1eed d\u1ee5ng th\u00e9p 316L \u0111\u1ec3 ch\u1ebf t\u1ea1o cho s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. B\u1ea1n \u0111\u00f4i khi c\u00f3 th\u1ec3 t\u00ecm mua \u0111\u01b0\u1ee3c nh\u1eefng chi\u1ebfc \u0111\u1ed3ng h\u1ed3 v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u1edbi c\u00f9ng m\u1ed9t m\u1ee9c gi\u00e1 ho\u1eb7c th\u1ea5p h\u01a1n m\u1ed9t chi\u1ebfc \u0111\u1ed3ng h\u1ed3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb 904L. V\u00e0 khi\u00a0 b\u1ea1n ch\u1ecdn mua m\u1ed9t chi\u1ebfc \u0111\u1ed3ng h\u1ed3 Rolex b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 904L l\u00e0 b\u1ea1n \u0111ang ch\u1ecdn m\u1ed9t s\u1ea3n ph\u1ea9m cao c\u1ea5p, b\u1ec1n b\u1ec9 \u0111\u1ebfn t\u1eeb m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i ti\u1ebfng to\u00e0n c\u1ea7u.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 kim lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ed3ng h\u1ed3. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0m v\u1ecf hay d\u00e2y \u0111eo \u0111\u1ed3ng h\u1ed3 b\u1edfi t\u00ednh ch\u1eafc ch\u1eafn, b\u1ec1n b\u1ec9 v\u1edbi chi ph\u00ed … Readmore<\/a><\/p>\n","protected":false},"author":1,"featured_media":9721,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-9716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nCh\u1ea5t li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 904L c\u00f3 t\u1ed1t h\u01a1n th\u00e9p 316L? 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