A106B美標(biāo)無縫管-BN6SCH160
ASTMA106B美標(biāo)鋼管-NPS16SCH60
ASTMA333GR6低溫?zé)o縫鋼管-114.3*17.12
ASTMA106無縫管-NPS12SCH30
美標(biāo)合金鋼管-NPS28SCH60
ASTM美標(biāo)無縫管-NPS40XXS
美標(biāo)無縫鋼管-BN600SCH120
ASTMA106B美標(biāo)無縫管-NPS14SCH10S
ASTMA106GRB無縫鋼管-610*46.02
A106B無縫管-BN500SCH40
A106B鋼管-610*14.27
A106B美標(biāo)鋼管-NPS24SCH20
A106B美標(biāo)鋼管-BN1100SCH10S
美標(biāo)低溫鋼管-NPS26SCH10S
ASTMA106無縫鋼管-BN200SCH10S
ASTM無縫鋼管-NPS1/4SCH10
ASTMA106鋼管-NPS12STD
A106無縫管-BN15XXS
A106B無縫鋼管-NPS44SCH80
ASTMA106-B無縫鋼管-219.1*22.23