A106B美標(biāo)無(wú)縫鋼管-219.1*22.23
美標(biāo)無(wú)縫鋼管-NPS8SCH140
GR.B無(wú)縫管-NPS24SCH40
ASTM美標(biāo)無(wú)縫鋼管-BN300SCH160
GR.B無(wú)縫管-60.3*8.74
GR.B無(wú)縫管-NPS1SCH160
ASTMA333-6無(wú)縫管-NPS30SCH20
GRB美標(biāo)鋼管-965*12.7
ASTMA106-B美標(biāo)無(wú)縫鋼管-BN100SCH140
A106B鋼管-BN500XXS
ASTMA106B美標(biāo)鋼管-NPS12SCH40
A106無(wú)縫管-42.2*3.56
ASTM美標(biāo)鋼管-NPS36SCH80
ASTMA106GR.B無(wú)縫鋼管-NPS40SCH140
ASTMA106B美標(biāo)無(wú)縫管-BN8SCH40
ASTMA106無(wú)縫鋼管-914*12.7
ASTMA106B美標(biāo)鋼管-NPS5SCH80
ASTMA106鋼管-NPS44SCH80
A106鋼管-965*17.48
GR.B無(wú)縫鋼管-NPS42SCH20