ASTM美標(biāo)無(wú)縫管-609.6*38.89
GR.B無(wú)縫鋼管-609.6*46.02
ASTMA106B美標(biāo)鋼管-BN20SCH120
ASTMA106B無(wú)縫鋼管-NPS3/8XXS
ASTMA335P22無(wú)縫鋼管-457.2*45.24
A106B鋼管-BN20SCH10
A106B無(wú)縫鋼管-BN6SCH40
ASTMA106無(wú)縫鋼管-BN1000SCH10S
ASTMA333-6無(wú)縫管-BN25SCH10
ASTMA106鋼管-NPS3SCH5S
A106B無(wú)縫鋼管-1016*12.7
ASTMA333-6鋼管-BN25XS
美標(biāo)低溫鋼管-BN200SCH160
ASTMA106B美標(biāo)無(wú)縫管-BN400SCH160
A106B美標(biāo)無(wú)縫管-BN65SCH60
A106B無(wú)縫管-BN20SCH80
ASTMA106-B美標(biāo)無(wú)縫鋼管-NPS24SCH160
A106B無(wú)縫鋼管-33.4*9.09
A106B美標(biāo)無(wú)縫鋼管-508*32.54
ASTMA106-B美標(biāo)無(wú)縫管-101.6*5.74