ASTMA106B無(wú)縫管-NPS42XXS
ASTMA106-B美標(biāo)無(wú)縫管-NPS22XXS
ASTM美標(biāo)無(wú)縫管-NPS38SCH5S
ASTMA333-6低溫?zé)o縫鋼管-965*17.48
ASTMA333GR.6低溫?zé)o縫鋼管-114.3*11.13
A106B美標(biāo)鋼管-BN1200XXS
GR.B無(wú)縫鋼管-NPS34SCH80S
ASTMA106B美標(biāo)鋼管-BN32SCH10S
ASTMA106-B美標(biāo)無(wú)縫鋼管-BN32SCH140
ASTMA106B美標(biāo)無(wú)縫管-NPS34SCH40
ASTM美標(biāo)無(wú)縫管-NPS21/2SCH80
ASTMA106-B美標(biāo)無(wú)縫管-1219*9.53
ASTMA106無(wú)縫管-NPS38SCH120
ASTM美標(biāo)無(wú)縫鋼管-609.6*14.27
GRB美標(biāo)鋼管-BN10SCH120
A106B美標(biāo)鋼管-NPS4XS
ASTMA106GR.B無(wú)縫鋼管-508*32.83
美標(biāo)合金鋼管-141.3*12.7
A106鋼管-BN800SCH80
A106B美標(biāo)無(wú)縫鋼管-NPS5SCH5S