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ASTM美標(biāo)鋼管-508*15.09

ASTMA106-B無(wú)縫鋼管-813*7.92

ASTMA106B無(wú)縫管-355.6*23.83

ASTMA106B無(wú)縫管-101.6*5.74

ASTMA106-B美標(biāo)無(wú)縫鋼管-141.3*9.53

ASTMA333-6無(wú)縫管-88.9*15.24

美標(biāo)合金鋼管-101.6*5.74

ASTMA335P91合金鋼管-965*30

GRB美標(biāo)無(wú)縫鋼管-609.6*12.7

ASTMA333GR.6低溫?zé)o縫管-48.3*7.14

ASTMA333-6低溫?zé)o縫管-813*40

A106B美標(biāo)無(wú)縫鋼管-406.4*30.96

A106B美標(biāo)鋼管-323.9*12.7

GR.6美標(biāo)無(wú)縫鋼管-114.3*6.02

ASTMA106B美標(biāo)無(wú)縫鋼管-965*17.48

A106B美標(biāo)無(wú)縫管-457.2*19.05

ASTM美標(biāo)鋼管-457.2*34.93

ASTMA335P91合金鋼管-559*34.93

GRB美標(biāo)無(wú)縫鋼管-660*70

A335P5無(wú)縫鋼管-73*7.01

ASTMA3336無(wú)縫鋼管-406.4*36.53

GR.6低溫?zé)o縫鋼管-219.1*7.04

美標(biāo)合金鋼管-508*15.09

ASTMA333GR.6低溫?zé)o縫鋼管-60.3*5.54