ASTMA106-B美標(biāo)無(wú)縫鋼管-168.3*6.4
美標(biāo)無(wú)縫鋼管-NPS11/2SCH140
ASTMA333-6鋼管-NPS38SCH30
A106B美標(biāo)鋼管-NPS36SCH10
A106鋼管-457.2*15.88
A106無(wú)縫管-NPS32SCH140
A106B無(wú)縫管-NPS5SCH80
GRB美標(biāo)鋼管-BN800SCH40S
ASTM美標(biāo)無(wú)縫管-BN20XXS
A106無(wú)縫鋼管-NPS1/8SCH5S
ASTMA106-B美標(biāo)無(wú)縫管-NPS28SCH80
ASTMA106-B無(wú)縫管-BN8SCH20
GR.B無(wú)縫鋼管-NPS36XS
ASTMA106無(wú)縫管-BN80SCH140
美標(biāo)合金鋼管-NPS26XS
ASTMA106GRB無(wú)縫鋼管-48.3*5.08
ASTMA106B無(wú)縫鋼管-BN500SCH100
美標(biāo)低溫鋼管-NPS5SCH100
ASTM美標(biāo)無(wú)縫管-BN350SCH120
A106鋼管-NPS2XS