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ASTMA106GRB無縫鋼管-26.7*3.91

ASTMA106-B美標(biāo)無縫鋼管-NPS3/8SCH10S

ASTMA106-B無縫鋼管-BN25SCH40

A106B鋼管-813*7.92

ASTMA106B美標(biāo)無縫管-NPS3/4SCH40

ASTMA333-6美標(biāo)無縫鋼管-457.2*9.53

ASTMA333-6鋼管-NPS1/8SCH30

ASTM美標(biāo)無縫管-NPS1/8SCH120

A106無縫管-NPS5SCH40S

ASTM美標(biāo)鋼管-NPS38SCH80S

A106B無縫管-NPS22SCH10

A106B美標(biāo)無縫鋼管-NPS1SCH120

ASTMA333-6無縫鋼管-BN500SCH80

A106B美標(biāo)鋼管-60.3*3.91

A106無縫管-660*50

A106B無縫鋼管-NPS10SCH30

ASTM美標(biāo)無縫管-BN32SCH10S

ASTMA335P91無縫鋼管-457.2*14.27

ASTMA106GR.B無縫鋼管-NPS40SCH40

ASTMA106B無縫鋼管-965*17.48

ASTM美標(biāo)無縫管-NPS46SCH20

ASTMA333-6無縫鋼管-1219*12.7

ASTMA106-B美標(biāo)無縫管-BN800SCH40

ASTMA106GR.B無縫鋼管-BN80SCH10