Seamless, HFI/ERW & DSAW execution

牌号等级 Grades: S355JRH, J0H, J2H

标准: EN10210-1, EN10210-2, EN10219-1, EN10219-2

牌号等级 Grades: P235GH, 355N

标准: EN10216-2/-3

牌号等级 Grades:

ASTM A 500/501 grades A – D,

ASTM A 53 grades A & B

API Gr. B – X120

X52mod & X65mod

不锈钢管 Stainless:

ASTM A519 Gr4130, Duplex, Super Duplex

可提供法兰 Flanges.