A106B無(wú)縫管-BN10SCH140
A106B鋼管-NPS46SCH100
A106B無(wú)縫鋼管-NPS21/2SCH80S
ASTM美標(biāo)鋼管-NPS10SCH60
A106無(wú)縫鋼管-711*90
美標(biāo)無(wú)縫鋼管-457.2*7.92
ASTMA106無(wú)縫管-355.6*23.83
ASTMA106-B無(wú)縫鋼管-BN125SCH120
ASTMA106GR.B無(wú)縫鋼管-BN700SCH60
GR.6低溫?zé)o縫鋼管-42.2*3.56
GR.B無(wú)縫管-NPS4SCH40S
ASTMA106B美標(biāo)鋼管-610*59.54
GRB美標(biāo)鋼管-141.3*12.7
ASTMA333-6無(wú)縫鋼管-NPS30SCH160
ASTM美標(biāo)無(wú)縫鋼管-457.2*45.24
ASTMA106-B無(wú)縫鋼管-NPS10SCH40
ASTM美標(biāo)無(wú)縫管-BN90SCH120
ASTM美標(biāo)無(wú)縫鋼管-NPS1/8SCH140
美標(biāo)合金鋼管-BN500SCH140
美標(biāo)合金鋼管-168.3*7.11