美標(biāo)合金鋼管-NPS1/8SCH140
ASTMA106鋼管-914*12.7
A106B美標(biāo)鋼管-BN15SCH100
A106B美標(biāo)鋼管-NPS1SCH60
ASTMA106-B無縫管-BN65SCH20
ASTMA106B無縫鋼管-BN100SCH40
ASTMA106無縫管-BN90SCH10S
ASTM無縫鋼管-NPS11/4XXS
ASTMA106B無縫管-BN400SCH140
ASTMA106-B美標(biāo)無縫鋼管-NPS8SCH120
ASTMA106GR.B無縫鋼管-BN200SCH10S
ASTMA106-B無縫管-660*25
A106B無縫鋼管-NPS3/8SCH160
ASTMA106-B美標(biāo)無縫管-NPS40XS
A106B美標(biāo)無縫鋼管-NPS21/2SCH20
ASTMA333-6鋼管-BN150SCH40
ASTMA106-B無縫管-BN150SCH60
ASTMA106-B無縫管-BN150XXS
A106無縫鋼管-NPS18SCH100
ASTMA106B美標(biāo)鋼管-BN500SCH10