{"id":3804,"date":"2025-05-18T17:38:16","date_gmt":"2025-05-18T17:38:16","guid":{"rendered":"https:\/\/thepnguyenphat.com\/?p=3804"},"modified":"2025-05-18T17:46:24","modified_gmt":"2025-05-18T17:46:24","slug":"thep-gi-set-co-anh-huong-gi-khong-cach-bao-quan-thep-dung-cach","status":"publish","type":"post","link":"https:\/\/thepnguyenphat.com\/?p=3804","title":{"rendered":"Th\u00e9p g\u1ec9 s\u00e9t c\u00f3 \u1ea3nh h\u01b0\u1edfng g\u00ec kh\u00f4ng? C\u00e1ch b\u1ea3o qu\u1ea3n th\u00e9p \u0111\u00fang c\u00e1ch"},"content":{"rendered":"\t\t
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Th\u00e9p<\/span> l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u quan tr\u1ecdng trong x\u00e2y d\u1ef1ng v\u00e0 s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00e0 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m khi s\u1eed d\u1ee5ng th\u00e9p l\u00e0 li\u1ec7u n\u00f3 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p, c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y g\u1ec9 s\u00e9t v\u00e0 nh\u1eefng c\u00e1ch ph\u00f2ng ng\u1eeba \u0111\u1ec3 gi\u1eef cho th\u00e9p lu\u00f4n b\u1ec1n \u0111\u1eb9p.<\/span><\/p>

Th\u00e9p c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng?<\/b><\/h3>

C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f3, th\u00e9p c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch.<\/i><\/b> Th\u00e9p g\u1ec9 th\u01b0\u1eddng x\u1ea3y ra khi th\u00e9p ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc v\u00e0 oxy trong kh\u00f4ng kh\u00ed, g\u00e2y ra m\u1ed9t ph\u1ea3n \u1ee9ng oxy h\u00f3a tr\u00ean b\u1ec1 m\u1eb7t th\u00e9p, t\u1ea1o th\u00e0nh l\u1edbp g\u1ec9 \u0111\u1ecf. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i lo\u1ea1i th\u00e9p n\u00e0o c\u0169ng d\u1ec5 b\u1ecb g\u1ec9. Th\u00e9p kh\u00f4ng g\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p inox, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n r\u1ea5t t\u1ed1t.<\/span><\/i><\/p>

\"\"<\/p>

C\u00e1c lo\u1ea1i th\u00e9p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9<\/b><\/h3>

Th\u00e9p kh\u00f4ng g\u1ec9 (Inox)<\/b><\/h4>

Th\u00e9p kh\u00f4ng g\u1ec9<\/span>, hay c\u00f2n g\u1ecdi l\u00e0 th\u00e9p inox, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb s\u1eaft, cacbon v\u00e0 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn crom (th\u01b0\u1eddng l\u00e0 10-30%). L\u1edbp crom n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp oxit b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t th\u00e9p, gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 oxy h\u00f3a v\u00e0 \u0103n m\u00f2n. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao th\u00e9p inox r\u1ea5t \u00edt b\u1ecb g\u1ec9, ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc hay c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/span><\/p>

Th\u00e9p carbon<\/b><\/h4>

Th\u00e9p carbon<\/span> ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng cacbon cao h\u01a1n th\u00e9p inox, nh\u01b0ng kh\u00f4ng c\u00f3 th\u00eam c\u00e1c y\u1ebfu t\u1ed1 ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 crom. Do \u0111\u00f3, th\u00e9p carbon r\u1ea5t d\u1ec5 b\u1ecb g\u1ec9 khi ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed. \u0110\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 \u0103n m\u00f2n, th\u00e9p carbon th\u01b0\u1eddng ph\u1ea3i \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm ho\u1eb7c s\u01a1n ph\u1ee7.<\/span><\/p>

Th\u00e9p h\u1ee3p kim<\/b><\/h4>

Th\u00e9p h\u1ee3p kim<\/span> l\u00e0 th\u00e9p \u0111\u01b0\u1ee3c pha tr\u1ed9n v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c nh\u01b0 niken, mangan, v\u00e0 molypden. T\u00f9y thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 c\u00e1c kim lo\u1ea1i n\u00e0y, th\u00e9p h\u1ee3p kim c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 t\u1ed1t h\u01a1n th\u00e9p carbon nh\u01b0ng k\u00e9m h\u01a1n th\u00e9p inox. M\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/span><\/p>

Nguy\u00ean nh\u00e2n khi\u1ebfn th\u00e9p b\u1ecb g\u1ec9<\/b><\/h3>

T\u00e1c \u0111\u1ed9ng c\u1ee7a oxy v\u00e0 n\u01b0\u1edbc<\/b><\/h4>

Th\u00e9p b\u1ecb g\u1ec9 ch\u1ee7 y\u1ebfu do ph\u1ea3n \u1ee9ng v\u1edbi oxy v\u00e0 n\u01b0\u1edbc. Khi th\u00e9p ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, c\u00e1c ph\u00e2n t\u1eed oxy trong kh\u00f4ng kh\u00ed ph\u1ea3n \u1ee9ng v\u1edbi s\u1eaft trong th\u00e9p, t\u1ea1o th\u00e0nh oxit s\u1eaft, hay c\u00f2n g\u1ecdi l\u00e0 g\u1ec9. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a t\u1ef1 nhi\u00ean, th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 m\u01b0a.<\/span><\/p>

Khi th\u00e9p ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n<\/b><\/h4>

M\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ea9m cao, mu\u1ed1i bi\u1ec3n ho\u1eb7c c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 oxy h\u00f3a v\u00e0 \u0103n m\u00f2n c\u1ee7a th\u00e9p. V\u00ed d\u1ee5, th\u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi g\u1ea7n bi\u1ec3n c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 nhanh ch\u00f3ng do \u0111\u1ed9 m\u1eb7n trong kh\u00f4ng kh\u00ed.<\/span><\/p>

Th\u00e9p thi\u1ebfu l\u1edbp b\u1ea3o v\u1ec7<\/b><\/h4>

N\u1ebfu th\u00e9p kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi l\u1edbp ph\u1ee7 m\u1ea1 k\u1ebdm ho\u1eb7c l\u1edbp s\u01a1n ch\u1ed1ng g\u1ec9, n\u00f3 s\u1ebd d\u1ec5 d\u00e0ng b\u1ecb \u0103n m\u00f2n. L\u1edbp b\u1ea3o v\u1ec7 n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp c\u1ee7a th\u00e9p v\u1edbi oxy v\u00e0 n\u01b0\u1edbc, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 g\u1ec9.<\/span><\/p>

C\u00e1ch ng\u0103n ng\u1eeba th\u00e9p g\u1ec9<\/b><\/h3>

N\u1ebfu th\u00e9p b\u1ecb g\u1ec9 s\u00e9t c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a th\u00e9p, khi\u1ebfn th\u00e9p d\u1ec5 b\u1ecb v\u1ee1 ho\u1eb7c g\u00e3y h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch ng\u1eeba th\u00e9p th\u00e9p b\u1ecb g\u1ec9 s\u00e9t:<\/span><\/p>

S\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9<\/b><\/h4>

L\u1ef1a ch\u1ecdn th\u00e9p inox (th\u00e9p kh\u00f4ng g\u1ec9) cho nh\u1eefng c\u00f4ng tr\u00ecnh ho\u1eb7c s\u1ea3n ph\u1ea9m c\u1ea7n ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n l\u00e2u d\u00e0i l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3. Th\u00e9p inox \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1eeb s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb gia d\u1ee5ng cho \u0111\u1ebfn x\u00e2y d\u1ef1ng c\u1ea7u c\u1ed1ng v\u00e0 t\u00e0u thuy\u1ec1n.<\/span><\/p>

M\u1ea1 k\u1ebdm v\u00e0 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7<\/b><\/h4>

Th\u00e9p carbon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi s\u1ef1 g\u1ec9 s\u00e9t b\u1eb1ng c\u00e1ch m\u1ea1 k\u1ebdm ho\u1eb7c <\/span>ph\u1ee7 m\u1ed9t l\u1edbp s\u01a1n ch\u1ed1ng g\u1ec9<\/span>. M\u1ea1 k\u1ebdm l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u1ea1o l\u1edbp k\u1ebdm b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t th\u00e9p, gi\u00fap ng\u0103n c\u1ea3n s\u1ef1 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi oxy v\u00e0 n\u01b0\u1edbc.<\/span><\/p>

\"\"<\/p>

B\u1ea3o d\u01b0\u1ee1ng th\u00e9p th\u01b0\u1eddng xuy\u00ean<\/b><\/h4>

\u0110\u1ec3 th\u00e9p lu\u00f4n b\u1ec1n \u0111\u1eb9p, c\u1ea7n ph\u1ea3i v\u1ec7 sinh v\u00e0 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p. Vi\u1ec7c l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t th\u00e9p \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t b\u1ea9n, \u0111\u1eb7c bi\u1ec7t l\u00e0 mu\u1ed1i, s\u1ebd gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a th\u00e9p v\u00e0 ng\u0103n ng\u1eeba g\u1ec9.<\/span><\/p>

\"\"<\/p>

K\u1ebft Lu\u1eadn<\/b><\/h3>

Th\u00e9p Nguy\u00ean Ph\u00e1t \u0111\u00e3 c\u00f9ng c\u00e1c b\u1ea1n t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch ng\u0103n ng\u1eeba th\u00e9p g\u1ec9. Th\u00e9p c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch, nh\u01b0ng v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba nh\u01b0 s\u1eed d\u1ee5ng <\/span>th\u00e9p inox<\/span>, m\u1ea1 k\u1ebdm ho\u1eb7c b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3, ch\u00fang ta c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m th\u00e9p. Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c lo\u1ea1i th\u00e9p v\u00e0 c\u00e1ch ch\u0103m s\u00f3c ch\u00fang l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Th\u00e9p l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u quan tr\u1ecdng trong x\u00e2y d\u1ef1ng v\u00e0 s\u1ea3n xu\u1ea5t. Tuy nhi\u00ean, m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00e0 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m khi s\u1eed d\u1ee5ng th\u00e9p l\u00e0 li\u1ec7u n\u00f3 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p, c\u00e1c y\u1ebfu t\u1ed1<\/p>\n","protected":false},"author":1,"featured_media":3805,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[96],"tags":[70],"class_list":["post-3804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-tri-bao-duong","tag-thep-khong-gi"],"_links":{"self":[{"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/posts\/3804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3804"}],"version-history":[{"count":10,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/posts\/3804\/revisions"}],"predecessor-version":[{"id":3819,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/posts\/3804\/revisions\/3819"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=\/wp\/v2\/media\/3805"}],"wp:attachment":[{"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thepnguyenphat.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}