ASTMA106-B美標(biāo)無縫管-NPS36SCH80S
ASTMA333-6低溫鋼管-559*9.53
ASTMA106B美標(biāo)無縫鋼管-NPS4SCH80
ASTMA106B美標(biāo)鋼管-610*17.48
ASTMA106GR.B無縫鋼管-NPS1/8XXS
GR.B無縫管-NPS30XS
A106B美標(biāo)無縫管-BN500SCH160
ASTM美標(biāo)無縫鋼管-BN65XXS
ASTM無縫鋼管-BN1000SCH10
ASTMA106B美標(biāo)鋼管-BN300SCH20
GRB美標(biāo)無縫鋼管-1067*9.53
A106B美標(biāo)無縫管-355.6*15.09
GR.B無縫鋼管-NPS3/8SCH10
ASTMA106B無縫管-NPS1SCH20
ASTMA106B美標(biāo)無縫鋼管-BN80SCH100
ASTM美標(biāo)無縫鋼管-NPS28SCH120
美標(biāo)無縫鋼管-NPS34XXS
A106鋼管-NPS1SCH10
ASTMA106B美標(biāo)鋼管-NPS48SCH20
A106鋼管-406.4*16.66