A106B美標鋼管-711*40

A333-6低溫無縫管-406.4*12.7

ASTMA335P5無縫鋼管-406.4*19.05

ASTMA106無縫管-355.6*27.79

ASMEA335T91合金鋼管-355.6*15.09

ASTM美標鋼管-610*38.89

A333-6無縫鋼管-660*30

ASTMA106-B無縫鋼管-273.1*9.27

ASTMA106B無縫管-48.3*10.15

ASTMA106B無縫管-508*9.53

A333-6美標低溫鋼管-660*80

ASTMA333GR.6美標無縫管-273.1*28.58

ASTM美標無縫管-1016*9.53

A106無縫鋼管-660*25

A333-6無縫鋼管-168.3*6.4

ASTMA106B無縫管-141.3*15.88

ASTMA106-B無縫鋼管-609.6*12.7

ASTMA106-B無縫管-813*20

美標鋼管-508*50.01

ASTMA333GR6鋼管-21.3*4.78