Pwodiksyon pwofesyonèl nan gwo-kalib doub-sided submerged ak soude dwat Couture tiyo asye (JCOE pwosesis)
Kalib pwodiksyon: Φ406mm-Φ1422mm
Epesè pwodiksyon: 7mm -50 mm
Estanda pwodiksyon ak materyèl
GB/T9711/API5L:
L245/gr . B pou L485/x70 PSL1/2
ASTM A671/2:
Gr .60/65/70 Cl 10- Cl33
en 10217-5: P235gh
En {{0}}/2: S355J0H/J2H
ASTM A691:
1-1/4cr2-1/4cr Cl 10- Cl33
Asid ki reziste, ki ba-tanperati, chalè-trete tib asye
