A333-6低溫鋼管-219.1*20.62
美標(biāo)合金鋼管-609.6*46.02
ASTMA335P9無(wú)縫鋼管-42.2*9.7
ASTMA106B美標(biāo)鋼管-BN250SCH100
A106無(wú)縫鋼管-BN600SCH10
ASTMA333-6無(wú)縫鋼管-BN200SCH20
ASTMA106-B無(wú)縫管-NPS40SCH40
ASTMA106B美標(biāo)無(wú)縫管-219.1*23.01
ASTMA106無(wú)縫管-BN350SCH60
A106鋼管-NPS24SCH120
GR.B無(wú)縫鋼管-NPS4SCH80
ASTMA333-6無(wú)縫鋼管-BN450SCH60
ASTMA333-6鋼管-NPS1/4XXS
A106鋼管-NPS12SCH160
ASTM無(wú)縫鋼管-273.1*28.58
ASTMA106-B美標(biāo)無(wú)縫管-NPS20SCH30
ASTMA106鋼管-NPS34STD
ASTMA106鋼管-BN1100SCH40S
A106無(wú)縫鋼管-NPS1/8SCH60
ASTM無(wú)縫鋼管-BN200SCH40S