GRB美標鋼管-33.4*3.38
ASTMA333GR6低溫無縫鋼管-168.3*7.11
ASTMA333GR.6無縫管-508*50.01
GR.B無縫管-273.1*12.7
A106B無縫鋼管-219.1*8.18
ASTMA333GR6無縫管-711*100
ASTMA333GR6鋼管-48.3*10.15
ASTMA335P91合金鋼管-609.6*14.27
ASTMA106-B無縫管-457.2*15.88
A106B鋼管-219.1*20.62
A335P11無縫鋼管-508*9.53
ASTMA106GR.B無縫鋼管-965*40
ASTMA106GRB無縫鋼管-323.9*14.27
ASTMA335P9合金鋼管-323.9*14.27
ASTMA333-6美標低溫鋼管-457.2*7.92
A333-6無縫鋼管-609.6*9.53
ASTMA335P91合金管-168.3*21.95
ASTMA106-B美標無縫管-114.3*6.02
A333-6美標低溫鋼管-73*5.16
A106B美標鋼管-610*46.02
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