Hom Cov Kav Hlau Carbon
Cov kav hlau carbon tuaj yeem faib ua pawg raws li lawv cov txheej txheem tsim khoom raws li hauv qab no:
1. Cov Yeeb Nkab Hlau Tsis Muaj Qhov Txuas (SMLS)
- Ua los ntawm kev tho ib lub billet khov kho thiab extruding nws mus rau hauv ib lub raj hollow.
- Tsis muaj vuam seam, muaj zog dua nyob rau hauv siab siab.
- Daim Ntawv Thov: Cov roj / roj siab, boilers, hydraulic systems.
2. Cov Yeeb Nkab Hlau Welded
(a) ERW (Fais fab tiv taus vuam) Yeeb Nkab
- Tsim los ntawm kev dov hlau strip thiab vuam ntug siv hluav taws xob tsis kam.
- Ncaj nraim, tsim nyog tus nqi.
- Daim Ntawv Thov: Cov kav dej / roj, kev siv cov qauv.
(b) LSAW (Longitudinal Submerged Arc Welded) Yeeb Nkab
- Ua los ntawm kev khoov thiab vuam cov hlau phaj longitudinally (SAW txheej txheem).
- Ib txoj kab ncaj, siv rau cov kab uas hla loj.
- Daim Ntawv Thov: Kev xa roj / roj, cov kav dej hauv hiav txwv.
(c) SSAW (Spiral Submerged Arc Welded) Yeeb Nkab
- Tsim los ntawm kev sib txuas ntawm cov hlau nplaum thiab vuam nrog submerged arc.
- Helical seam, kev faib tawm kev ntxhov siab zoo dua.
- Daim Ntawv Thov: Cov kav dej loj, kev sib sau ua ke.
Cov Qauv Kav Hlau Carbon
| Hom | Txheej Txheem | Qhov Tseem Ceeb | Cov Qauv Sib Xws |
|---|---|---|---|
| Tsis muaj qhov sib txuas | Kub extrusion, txias kos duab | Tsis muaj weld, lub zog siab | ASTM A106, API 5L, ASTM A252 |
| ERW | Kev vuam hluav taws xob tsis kam | Ncaj nraim, pheej yig | ASTM A53 (E), EN 10255, EN10219, BS1387 |
| LSAW | Kev vuam submerged arc ntev | Phab ntsa tuab, txoj kab uas hla loj | API 5L, ASTM A671, ASTM A252 |
| SSAW | Kev vuam siv submerged arc kauv | Helical seam, kev ntxhov siab-resistant | API 5L, ASTM A252 |
Lub sijhawm tshaj tawm: Lub Xya Hli-18-2025