美標低溫鋼管-NPS14STD
GRB美標無縫鋼管-BN80XXS
ASTMA106B美標鋼管-BN1100SCH10S
ASTMA106B美標無縫鋼管-BN65SCH60
A106B無縫管-BN350SCH10
ASMEA335T91合金鋼管-457.2*19.05
ASTMA106-B無縫管-355.6*23.83
ASTMA106-B無縫管-48.3*7.14
ASTMA106無縫管-NPS8SCH5S
GRB美標無縫鋼管-559*28.58
A106B美標無縫管-NPS24SCH100
美標合金鋼管-NPS1/8SCH120
ASTM美標無縫鋼管-141.3*6.55
ASTMA106GR.B無縫鋼管-NPS6SCH60
ASTMA106無縫管-BN8SCH40S
A106無縫鋼管-42.2*6.35
ASTMA106-B美標無縫管-NPS14SCH40S
ASTMA106B無縫鋼管-26.7*3.91
ASTM無縫鋼管-BN900SCH20
ASTMA106B美標無縫鋼管-NPS6SCH20