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ASMEa335t91無縫鋼管-273.1*12.7

ASTMA333GR6低溫?zé)o縫鋼管-762*20

ASTMA335P91無縫鋼管-508*20.62

ASTMA3336無縫鋼管-33.4*9.09

ASTMA106B無縫管-508*32.54

ASTMA106B美標(biāo)無縫管-101.6*8.08

ASTMA3336無縫鋼管-21.3*3.73

ASTMA106-B美標(biāo)無縫鋼管-508*32.54

ASTMA333GR6無縫管-711*12.7

ASTMA333GR.6無縫鋼管-88.9*11.13

ASTMA335P9合金鋼管-914*100

A106B美標(biāo)鋼管-609.6*30.96

ASTMA3336無縫鋼管-33.4*3.38

A106B美標(biāo)鋼管-21.3*4.78

ASTMA106B美標(biāo)無縫鋼管-355.6*12.7

ASTMA335P22無縫鋼管-42.2*9.7

A106B美標(biāo)鋼管-813*7.92

ASTMA333GR.6低溫?zé)o縫鋼管-965*15.88

美標(biāo)合金鋼管-273.1*25.4

ASTMA333GR.6美標(biāo)無縫管-219.1*8.18

A333-6低溫?zé)o縫管-914*50

ASTMA333-6低溫?zé)o縫管-17.1*3.2

ASTMA106-B美標(biāo)無縫管-323.9*33.32

美標(biāo)低溫鋼管-17.1*3.2