ASTMA333-6美標(biāo)無(wú)縫鋼管-60.3*8.74
A106B美標(biāo)無(wú)縫鋼管-BN600SCH20
ASTMA106B美標(biāo)鋼管-NPS6SCH20
A106無(wú)縫鋼管-BN700STD
ASTMA106無(wú)縫鋼管-114.3*4.78
ASTMA106-B美標(biāo)無(wú)縫鋼管-610*30.96
ASTM美標(biāo)無(wú)縫鋼管-NPS24SCH20
A106B美標(biāo)無(wú)縫鋼管-BN6SCH10S
GR.B無(wú)縫鋼管-273.1*25.4
美標(biāo)無(wú)縫鋼管-NPS3/8SCH60
ASTMA106鋼管-NPS34SCH10
ASTMA106GR.B無(wú)縫鋼管-BN20SCH120
ASTMA106無(wú)縫鋼管-NPS4SCH40
ASTMA106B美標(biāo)無(wú)縫管-NPS11/4SCH80
ASTMA106-B美標(biāo)無(wú)縫鋼管-BN65STD
A106B美標(biāo)無(wú)縫管-NPS28SCH120
ASTM無(wú)縫鋼管-BN250SCH40S
ASTMA333-6鋼管-NPS3/4STD
ASTMA106-B美標(biāo)無(wú)縫鋼管-BN6XS
GR.B無(wú)縫鋼管-NPS36SCH120