ASTMA333-6無(wú)縫管-NPS44SCH20
美標(biāo)合金鋼管-406.4*21.44
ASTMA106B美標(biāo)無(wú)縫鋼管-BN1100SCH40
ASTM無(wú)縫鋼管-NPS14SCH160
ASTMA106B美標(biāo)無(wú)縫管-508*25.4
ASTMA335P5無(wú)縫鋼管-355.6*31.75
ASTMA106鋼管-BN80XXS
ASTMA106無(wú)縫管-NPS16STD
ASTMA106-B美標(biāo)無(wú)縫管-610*24.61
GRB美標(biāo)無(wú)縫鋼管-88.9*11.13
美標(biāo)無(wú)縫鋼管-BN40SCH80S
A106B鋼管-273.1*18.26
ASTMA106無(wú)縫鋼管-BN10SCH160
ASTMA106鋼管-NPS20SCH60
A106B美標(biāo)無(wú)縫鋼管-88.9*5.49
A106B鋼管-NPS14XS
ASTMA106無(wú)縫鋼管-NPS10SCH120
美標(biāo)低溫鋼管-610*38.89
A106無(wú)縫鋼管-NPS38SCH60
ASTMA333-6鋼管-NPS31/2SCH60