ASTM美標(biāo)無縫管-NPS22SCH120
ASTMA106GR.B無縫鋼管-457.2*14.27
GR.6低溫?zé)o縫鋼管-457.2*6.35
A106B鋼管-BN90SCH100
GR.B無縫管-NPS2SCH100
ASTMA106-B無縫鋼管-813*60
ASTMA333-6美標(biāo)無縫鋼管-NPS24SCH80
ASTMA106鋼管-BN350SCH30
A106B無縫鋼管-660*70
ASTMA106無縫鋼管-BN1200SCH30
ASTMA333-6美標(biāo)無縫鋼管-813*30
ASTMA333GR.6鋼管-610*14.27
ASTMA106-B無縫鋼管-NPS38SCH10S
ASTMA106B美標(biāo)無縫管-BN90SCH80
GR.B無縫管-NPS20SCH10S
A106B美標(biāo)無縫鋼管-BN700SCH160
ASTM美標(biāo)無縫鋼管-NPS44STD
ASTMA106-B無縫鋼管-NPS1/4SCH10
ASTMA106-B美標(biāo)無縫鋼管-NPS5SCH40S
ASTM美標(biāo)鋼管-NPS3/8SCH30