{"id":21615,"date":"2025-03-13T04:50:00","date_gmt":"2025-03-12T20:50:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21615"},"modified":"2025-03-11T14:07:28","modified_gmt":"2025-03-11T06:07:28","slug":"how-to-galvanize","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/galvanized-steel\/production\/how-to-galvanize\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u1ea1 k\u1ebdm th\u00e9p? Gi\u1ea3i th\u00edch c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau"},"content":{"rendered":"

M\u1ea1 k\u1ebdm th\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau. M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng bao g\u1ed3m nh\u00fang th\u00e9p v\u00e0o k\u1ebdm n\u00f3ng ch\u1ea3y \u0111\u1ec3 t\u1ea1o l\u1edbp ph\u1ee7 d\u00e0y v\u00e0 b\u1ec1n. M\u1ea1 \u0111i\u1ec7n \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp k\u1ebdm m\u1ecbn, \u0111\u1ed3ng \u0111\u1ec1u th\u00f4ng qua d\u00f2ng \u0111i\u1ec7n. C\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c, nh\u01b0 m\u1ea1 k\u1ebdm li\u00ean t\u1ee5c, m\u1ea1 sherard v\u00e0 m\u1ea1 c\u01a1 h\u1ecdc, mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch \u0111\u1ed9c \u0111\u00e1o cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. <\/span><\/p>

B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u t\u1eebng ph\u01b0\u01a1ng ph\u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb v\u00e0 x\u1eed l\u00fd sau \u0111\u00f3.<\/span><\/p>

M\u1ea1 k\u1ebdm l\u00e0 g\u00ec?<\/span><\/h2>

M\u1ea1 k\u1ebdm l\u00e0 qu\u00e1 tr\u00ecnh th\u00eam m\u1ed9t l\u1edbp k\u1ebdm b\u1ea3o v\u1ec7 v\u00e0o th\u00e9p ho\u1eb7c s\u1eaft \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n. C\u00f3 ba lo\u1ea1i m\u1ea1 k\u1ebdm ch\u00ednh: m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n v\u00e0 m\u1ea1 k\u1ebdm \u1ee7. <\/span>Trong s\u1ed1 \u0111\u00f3, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t do kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u1ea1nh m\u1ebd v\u00e0 l\u00e2u d\u00e0i. <\/span><\/p>

Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi m\u1ea1 k\u1ebdm<\/span><\/h2>

T\u1ea9y d\u1ea7u m\u1ee1 ho\u1eb7c v\u1ec7 sinh<\/span><\/h3>

C\u00e1c b\u1ed9 ph\u1eadn th\u00e9p \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o dung d\u1ecbch ki\u1ec1m n\u00f3ng, th\u01b0\u1eddng c\u00f3 th\u00eam ch\u1ea5t t\u1ea9y r\u1eeda, \u0111\u1ec3 ph\u00e2n h\u1ee7y v\u00e0 h\u00f2a tan m\u1ecdi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng dung m\u00f4i h\u1eefu c\u01a1 \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u ho\u1eb7c m\u1ee1 c\u1ee9ng h\u01a1n. <\/span><\/p>

Sau khi v\u1ec7 sinh, th\u00e9p \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ea5t k\u1ef3 ch\u1ea5t t\u1ea9y r\u1eeda ho\u1eb7c ch\u1ea5t t\u1ea9y r\u1eeda c\u00f2n s\u00f3t l\u1ea1i n\u00e0o. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec b\u1ea5t k\u1ef3 lo\u1ea1i d\u1ea7u, m\u1ee1 ho\u1eb7c c\u1eb7n c\u00f2n s\u00f3t l\u1ea1i n\u00e0o c\u0169ng c\u00f3 th\u1ec3 ng\u0103n l\u1edbp ph\u1ee7 k\u1ebdm b\u00e1m d\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0o b\u1ec1 m\u1eb7t th\u00e9p.<\/span><\/p>

Ng\u00e2m chua<\/span><\/h3>

Sau khi th\u00e9p s\u1ea1ch, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u1ed3n axit, th\u01b0\u1eddng l\u00e0 axit clohydric ho\u1eb7c axit sunfuric. Qu\u00e1 tr\u00ecnh ng\u00e2m n\u00e0y lo\u1ea1i b\u1ecf r\u1ec9 s\u00e9t, v\u1ea3y c\u00e1n v\u00e0 c\u00e1c oxit kh\u00e1c c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t. <\/span><\/p>

Trong qu\u00e1 tr\u00ecnh n\u00e0y, th\u00e9p \u0111\u01b0\u1ee3c quan s\u00e1t ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng g\u00e2y ra b\u1ea5t k\u1ef3 nguy h\u1ea1i n\u00e0o. Sau \u0111\u00f3 l\u00e0 ki\u1ec3m tra tr\u1ef1c quan \u0111\u1ec3 x\u00e1c nh\u1eadn r\u1eb1ng t\u1ea5t c\u1ea3 r\u1ec9 s\u00e9t v\u00e0 v\u1ea3y \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1edbp k\u1ebdm b\u00e1m d\u00ednh ch\u1eafc ch\u1eafn.<\/span><\/p>

R\u1eeda s\u1ea1ch<\/span><\/h3>

Ngay sau khi ng\u00e2m, th\u00e9p \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch ho\u00e0n to\u00e0n b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch \u0111\u1ec3 r\u1eeda s\u1ea1ch m\u1ecdi axit c\u00f2n s\u00f3t l\u1ea1i. \u0110\u00f4i khi, ph\u1ea3i r\u1eeda nhi\u1ec1u l\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f2n d\u1ea5u v\u1ebft axit n\u00e0o tr\u00ean b\u1ec1 m\u1eb7t. <\/span><\/p>

Vi\u1ec7c r\u1eeda s\u1ea1ch l\u00e0 r\u1ea5t quan tr\u1ecdng trong m\u1ecdi ph\u01b0\u01a1ng ph\u00e1p m\u1ea1 k\u1ebdm, v\u00ec axit c\u00f2n s\u00f3t l\u1ea1i c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i l\u1edbp ph\u1ee7 ho\u1eb7c l\u00e0m y\u1ebfu l\u1edbp k\u1ebdm, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/span><\/p>

Th\u00e9p c\u1ea7n ph\u1ea3i s\u1ea1ch \u0111\u1ebfn m\u1ee9c n\u00e0o tr\u01b0\u1edbc khi m\u1ea1 k\u1ebdm?<\/span><\/h3>

Th\u00e9p c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi m\u1ea1 k\u1ebdm. M\u1ecdi d\u1ea5u v\u1ebft c\u1ee7a d\u1ea7u, m\u1ee1, b\u1ee5i b\u1ea9n, r\u1ec9 s\u00e9t ho\u1eb7c b\u1ea5t k\u1ef3 l\u1edbp oxit n\u00e0o tr\u00ean b\u1ec1 m\u1eb7t c\u1ea7n \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n. Ngay c\u1ea3 nh\u1eefng d\u1ea5u v\u1ebft nh\u1ecf c\u1ee7a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y c\u0169ng c\u00f3 th\u1ec3 ng\u0103n k\u1ebdm li\u00ean k\u1ebft \u0111\u00fang c\u00e1ch, d\u1eabn \u0111\u1ebfn l\u1edbp ph\u1ee7 kh\u00f4ng \u0111\u1ec1u v\u00e0 c\u00e1c \u0111i\u1ec3m y\u1ebfu. <\/span><\/p>

C\u00e1c b\u01b0\u1edbc c\u1ee7a quy tr\u00ecnh m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/span><\/h2>
  1. \u0110\u1ea3m b\u1ea3o th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u00e0n to\u00e0n b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c quy tr\u00ecnh t\u1ea9y d\u1ea7u m\u1ee1, ng\u00e2m chua v\u00e0 r\u1eeda s\u1ea1ch \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u, r\u1ec9 s\u00e9t ho\u1eb7c c\u1eb7n.<\/span><\/li>\n\n
  2. \u0110\u1ec3 th\u00e9p kh\u00f4 ho\u00e0n to\u00e0n, c\u00f3 th\u1ec3 ph\u01a1i kh\u00f4 b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c s\u1eed d\u1ee5ng l\u00f2 s\u1ea5y \u0111\u1ec3 tr\u00e1nh \u0111\u1ed9 \u1ea9m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ph\u1ee7.<\/span><\/li>\n\n
  3. Nh\u00fang th\u00e9p v\u00e0o dung d\u1ecbch tr\u1ee3 dung \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ea5t k\u1ef3 oxit c\u00f2n s\u00f3t l\u1ea1i n\u00e0o v\u00e0 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a tr\u01b0\u1edbc khi nh\u00fang v\u00e0o k\u1ebdm.<\/span><\/li>\n\n
  4. \u00a0(T\u00f9y ch\u1ecdn) L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 g\u1ea7n v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ed3n k\u1ebdm n\u00f3ng ch\u1ea3y \u0111\u1ec3 gi\u1ea3m s\u1ed1c nhi\u1ec7t v\u00e0 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh ph\u1ee7.<\/span><\/li>\n\n
  5. Nh\u00fang th\u00e9p v\u00e0o b\u1ed3n k\u1ebdm n\u00f3ng ch\u1ea3y, \u0111un n\u00f3ng \u0111\u1ebfn kho\u1ea3ng 450\u00b0C (842\u00b0F). \u0110\u1ea3m b\u1ea3o th\u00e9p ng\u1eadp ho\u00e0n to\u00e0n \u0111\u1ec3 c\u00f3 l\u1edbp ph\u1ee7 \u0111\u1ec1u. <\/span><\/li>\n\n
  6. Gi\u1eef th\u00e9p trong b\u1ed3n t\u1eafm cho \u0111\u1ebfn khi k\u1ebdm li\u00ean k\u1ebft ho\u00e0n to\u00e0n v\u1edbi b\u1ec1 m\u1eb7t, t\u1ea1o th\u00e0nh l\u1edbp b\u1ea3o v\u1ec7. Qu\u00e1 tr\u00ecnh n\u00e0y m\u1ea5t v\u00e0i ph\u00fat t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y c\u1ee7a th\u00e9p.<\/li>\n\n
  7. T\u1eeb t\u1eeb nh\u1ea5c th\u00e9p ra kh\u1ecfi b\u1ed3n, \u0111\u1ec3 k\u1ebdm th\u1eeba ch\u1ea3y tr\u1edf l\u1ea1i b\u1ed3n. C\u00f3 th\u1ec3 l\u1eafc nh\u1eb9 ho\u1eb7c rung \u0111\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng k\u1ebdm th\u1eeba.<\/span><\/li>\n\n
  8. \u0110\u1ec3 th\u00e9p ngu\u1ed9i, c\u00f3 th\u1ec3 \u0111\u1ec3 ngo\u00e0i kh\u00f4ng kh\u00ed ho\u1eb7c nh\u00fang v\u00e0o dung d\u1ecbch t\u00f4i \u0111\u1ec3 l\u00e0m c\u1ee9ng l\u1edbp m\u1ea1 k\u1ebdm v\u00e0 chu\u1ea9n b\u1ecb cho vi\u1ec7c x\u1eed l\u00fd.<\/span><\/li>\n\n
  9. Ki\u1ec3m tra \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 c\u1ee7a th\u00e9p m\u1ea1 k\u1ebdm, \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/li><\/ol>

    Vai tr\u00f2 c\u1ee7a Fluxing<\/span><\/h3>

    Fluxing l\u00e0 m\u1ed9t b\u01b0\u1edbc thi\u1ebft y\u1ebfu trong m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng. N\u00f3 th\u01b0\u1eddng s\u1eed d\u1ee5ng k\u1ebdm amoni clorua l\u00e0m dung d\u1ecbch flux \u0111\u1ec3 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a tr\u01b0\u1edbc khi m\u1ea1 k\u1ebdm. N\u00f3 cho ph\u00e9p k\u1ebdm n\u00f3ng ch\u1ea3y li\u00ean k\u1ebft tr\u01a1n tru v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u v\u1edbi th\u00e9p, t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady v\u00e0 nh\u1ea5t qu\u00e1n.<\/span><\/p>

    C\u00e1c b\u01b0\u1edbc c\u1ee7a quy tr\u00ecnh m\u1ea1 \u0111i\u1ec7n<\/span><\/h2>
    1. L\u00e0m s\u1ea1ch th\u00e9p k\u1ef9 l\u01b0\u1ee1ng b\u1eb1ng c\u00e1ch t\u1ea9y d\u1ea7u m\u1ee1, ng\u00e2m chua v\u00e0 r\u1eeda s\u1ea1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t kh\u00f4ng c\u00f2n d\u1ea7u, r\u1ec9 s\u00e9t ho\u1eb7c c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c.<\/span><\/li>\n\n
    2. Chu\u1ea9n b\u1ecb dung d\u1ecbch \u0111i\u1ec7n ph\u00e2n v\u1edbi dung d\u1ecbch mu\u1ed1i k\u1ebdm nh\u01b0 k\u1ebdm sunfat ho\u1eb7c k\u1ebdm clorua, \u0111i\u1ec1u ch\u1ec9nh n\u1ed3ng \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 c\u00f3 l\u1edbp ph\u1ee7 t\u1ed1i \u01b0u.<\/span><\/li>\n\n
    3. G\u1eafn th\u00e9p v\u00e0o c\u1ef1c \u00e2m (cathode) c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n v\u00e0 k\u1ebft n\u1ed1i anode k\u1ebdm v\u00e0o c\u1ef1c d\u01b0\u01a1ng (anode). \u0110\u1eb7t ch\u00fang v\u00e0o b\u1ed3n \u0111i\u1ec7n ph\u00e2n \u0111\u1ec3 ph\u00e2n ph\u1ed1i \u0111\u1ec1u.<\/span><\/li>\n\n
    4. Ng\u00e2m th\u00e9p ho\u00e0n to\u00e0n trong dung d\u1ecbch \u0111i\u1ec7n ph\u00e2n, \u0111\u1ea3m b\u1ea3o th\u00e9p \u0111\u01b0\u1ee3c ng\u00e2m ho\u00e0n to\u00e0n \u0111\u1ec3 c\u00f3 l\u1edbp ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u.<\/span><\/li>\n\n
    5. Cho d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ch\u1ea1y qua b\u1ed3n t\u1eafm, gi\u00fap c\u00e1c ion k\u1ebdm l\u1eafng \u0111\u1ecdng tr\u00ean b\u1ec1 m\u1eb7t th\u00e9p.<\/span><\/li>\n\n
    6. L\u1ea5y th\u00e9p ra kh\u1ecfi b\u1ed3n t\u1eafm, sau \u0111\u00f3 r\u1eeda s\u1ea1ch \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ea5t k\u1ef3 c\u1eb7n \u0111i\u1ec7n ph\u00e2n n\u00e0o c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbp ph\u1ee7.<\/span><\/li>\n\n
    7. L\u00e0m kh\u00f4 th\u00e9p ho\u00e0n to\u00e0n \u0111\u1ec3 ho\u00e0n thi\u1ec7n l\u1edbp ph\u1ee7 v\u00e0 chu\u1ea9n b\u1ecb cho vi\u1ec7c ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd. Ki\u1ec3m tra l\u1edbp ph\u1ee7 k\u1ebdm xem c\u00f3 \u0111\u1ec1u v\u00e0 d\u00e0y kh\u00f4ng.<\/span><\/li><\/ol>

      C\u00e1c b\u01b0\u1edbc c\u1ee7a quy tr\u00ecnh m\u1ea1 k\u1ebdm<\/span><\/h2>
      1. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00f4ng ngh\u1ec7 m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng b\u1eb1ng c\u00e1ch l\u00e0m s\u1ea1ch th\u00e9p, b\u00f4i ch\u1ea5t tr\u1ee3 dung v\u00e0 nh\u00fang th\u00e9p v\u00e0o k\u1ebdm n\u00f3ng ch\u1ea3y \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u1edbp ph\u1ee7 ho\u00e0n ch\u1ec9nh.<\/span><\/li>\n\n
      2. Chuy\u1ec3n th\u00e9p m\u1ea1 k\u1ebdm tr\u1ef1c ti\u1ebfp v\u00e0o l\u00f2 \u1ee7 \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh h\u1ee3p kim h\u00f3a.<\/span><\/li>\n\n
      3. \u0110un n\u00f3ng th\u00e9p trong l\u00f2 \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 500-550\u00b0C (932-1022\u00b0F) \u0111\u1ec3 k\u1ebdm v\u00e0 s\u1eaft ph\u1ea3n \u1ee9ng v\u1edbi nhau.<\/span><\/li>\n\n
      4. Duy tr\u00ec th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y \u0111\u1ec3 k\u1ebdm v\u00e0 s\u1eaft c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng, t\u1ea1o th\u00e0nh l\u1edbp h\u1ee3p kim.<\/span><\/li>\n\n
      5. L\u1ea5y th\u00e9p ra kh\u1ecfi l\u00f2 v\u00e0 \u0111\u1ec3 ngu\u1ed9i d\u1ea7n trong kh\u00f4ng kh\u00ed ho\u1eb7c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t c\u00f3 ki\u1ec3m so\u00e1t.<\/span><\/li>\n\n
      6. Ki\u1ec3m tra b\u1ec1 m\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1edbp ho\u00e0n thi\u1ec7n m\u1ecbn, m\u1edd, \u0111\u1ea3m b\u1ea3o l\u1edbp h\u1ee3p kim \u0111\u1ed3ng nh\u1ea5t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/li><\/ol>

        C\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u1ea1 k\u1ebdm kh\u00e1c<\/span><\/h2>

        Sherard h\u00f3a<\/span><\/h3>

        Sherardizing, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ea1 k\u1ebdm h\u01a1i, ph\u1ee7 th\u00e9p b\u1eb1ng c\u00e1ch nung n\u00f3ng n\u00f3 v\u1edbi b\u1ed9t k\u1ebdm trong m\u1ed9t tr\u1ed1ng quay k\u00edn. \u1ede nhi\u1ec7t \u0111\u1ed9 cao, k\u1ebdm b\u1ed1c h\u01a1i v\u00e0 li\u00ean k\u1ebft v\u1edbi th\u00e9p, t\u1ea1o th\u00e0nh l\u1edbp ho\u00e0n thi\u1ec7n m\u1edd \u0111\u1ed3ng nh\u1ea5t. <\/span><\/p>

        Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o ra l\u1edbp ph\u1ee7 c\u1ee9ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n t\u1ed1t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u1edf m\u1ee9c trung b\u00ecnh, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf, chi ti\u1ebft nh\u01b0 bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 ch\u1ed1t. <\/span><\/p>

        M\u1ea1 c\u01a1 h\u1ecdc<\/span><\/h3>

        M\u1ea1 c\u01a1 h\u1ecdc s\u1eed d\u1ee5ng b\u1ed9t k\u1ebdm v\u00e0 quy tr\u00ecnh \u0111\u00e1nh b\u00f3ng \u0111\u1ec3 ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t th\u00e9p. Trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, k\u1ebdm b\u00e1m d\u00ednh v\u00e0o th\u00e9p th\u00f4ng qua ma s\u00e1t v\u00e0 va \u0111\u1eadp, kh\u00f4ng c\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c d\u00f2ng \u0111i\u1ec7nS. <\/span><\/p>

        N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 m\u00e0 kh\u00f4ng g\u00e2y nguy hi\u1ec3m cho c\u00e1c k\u1ebft c\u1ea5u nh\u01b0 \u1ed1c v\u00edt, \u0111inh v\u00e0 l\u00f2 xo.<\/span><\/p>

        Phun m\u1ea1 k\u1ebdm<\/span><\/h3>

        M\u1ea1 k\u1ebdm phun, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ea1 k\u1ebdm kim lo\u1ea1i, \u00e1p d\u1ee5ng k\u1ebdm n\u00f3ng ch\u1ea3y l\u00ean b\u1ec1 m\u1eb7t th\u00e9p b\u1eb1ng c\u00e1ch phun. N\u00f3 cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7, cung c\u1ea5p s\u1ef1 linh ho\u1ea1t trong c\u00e1c m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ea5u tr\u00fac l\u1edbn ho\u1eb7c s\u1eeda ch\u1eefa c\u1ee5c b\u1ed9 n\u01a1i nh\u00fang l\u00e0 kh\u00f4ng th\u1ef1c t\u1ebf. <\/span><\/p>

        X\u1eed l\u00fd sau trong qu\u00e1 tr\u00ecnh m\u1ea1 k\u1ebdm<\/span><\/h2>

        th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/span><\/h3>

        Th\u1ee5 \u0111\u1ed9ng h\u00f3a l\u00e0 qu\u00e1 tr\u00ecnh th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 m\u1ecfng v\u00e0o b\u1ec1 m\u1eb7t m\u1ea1 k\u1ebdm \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. N\u00f3 gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 h\u00ecnh th\u00e0nh r\u1ec9 s\u00e9t tr\u1eafng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. <\/span><\/p>

        N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u00e0 m\u1ea1 k\u1ebdm \u0111i\u1ec7n.<\/span><\/p>

        L\u00e0m ngu\u1ed9i<\/span><\/h3>

        Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch nh\u00fang th\u00e9p v\u00e0o n\u01b0\u1edbc ho\u1eb7c dung d\u1ecbch h\u00f3a ch\u1ea5t ngay sau khi m\u1ea1 k\u1ebdm \u0111\u1ec3 l\u00e0m ngu\u1ed9i nhanh v\u00e0 l\u00e0m c\u1ee9ng l\u1edbp ph\u1ee7.<\/span><\/p>

        Trong qu\u00e1 tr\u00ecnh m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, vi\u1ec7c l\u00e0m ngu\u1ed9i nhanh l\u1edbp k\u1ebdm d\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn. <\/span><\/p>

        Tra d\u1ea7u<\/span><\/h3>

        Bao g\u1ed3m vi\u1ec7c ph\u1ee7 m\u1ed9t l\u1edbp d\u1ea7u nh\u1eb9 l\u00ean b\u1ec1 m\u1eb7t m\u1ea1 k\u1ebdm. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 t\u1ea1m th\u1eddi, ng\u0103n ng\u1eeba v\u1ebft b\u1ea9n l\u01b0u tr\u1eef ho\u1eb7c \u0103n m\u00f2n b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 l\u01b0u tr\u1eef.<\/span><\/p>

        N\u00f3 l\u00e0 com h\u01a1ntrong qu\u00e1 tr\u00ecnh m\u1ea1 \u0111i\u1ec7n, l\u1edbp k\u1ebdm m\u1ecfng c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb \u1ed1 m\u00e0u ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc h\u01a1n.<\/span><\/p>

        L\u1edbp ph\u1ee7 ho\u1eb7c S\u01a1n<\/span><\/h3>

        \u0110\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u00ednh th\u1ea9m m\u1ef9, th\u00e9p m\u1ea1 k\u1ebdm c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee7 th\u00eam m\u1ed9t l\u1edbp s\u01a1n.<\/span><\/p>

        \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng th\u00e9p m\u1ea1 k\u1ebdm v\u00ec l\u1edbp ho\u00e0n thi\u1ec7n m\u1edd v\u00e0 b\u1ec1 m\u1eb7t gi\u00e0u s\u1eaft c\u1ee7a n\u00f3 li\u00ean k\u1ebft t\u1ed1t v\u1edbi s\u01a1n ho\u1eb7c c\u00e1c l\u1edbp ph\u1ee7 kh\u00e1c. <\/span><\/p>

        S\u1ea3n xu\u1ea5t th\u00e9p m\u1ea1 k\u1ebdm ho\u00e0n h\u1ea3o<\/h2>

        T\u1eadp \u0111o\u00e0n SteelPRO chuy\u00ean cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p m\u1ea1 k\u1ebdm ch\u1ea5t l\u01b0\u1ee3ng cao, bao g\u1ed3m cu\u1ed9n th\u00e9p m\u1ea1 k\u1ebdm (SGCC<\/a><\/span>, DX51D<\/a><\/span>) v\u00e0 t\u1ea5m th\u00e9p m\u1ea1 k\u1ebdm (Z275<\/a><\/span>), t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/span><\/p>

        S\u1ea3n ph\u1ea9m m\u1ea1 k\u1ebdm c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec1u k\u00edch th\u01b0\u1edbc v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n, cho d\u00f9 \u0111\u00f3 l\u00e0 \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng, \u00f4 t\u00f4 hay c\u00f4ng nghi\u1ec7p. V\u1edbi cam k\u1ebft v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ebfn n\u01a1i s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng ngay.<\/span><\/p>

         <\/p>","protected":false},"excerpt":{"rendered":"

        T\u00ecm hi\u1ec3u c\u00e1ch m\u1ea1 k\u1ebdm th\u00e9p theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau v\u1edbi h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 quy tr\u00ecnh m\u1ea1 k\u1ebdm.<\/p>","protected":false},"author":1,"featured_media":21616,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4315],"tags":[],"class_list":["post-21615","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-production-galvanized-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21615","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=21615"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21615\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21616"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}