A106B美标钢管-711*40
A333-6低温无缝管-406.4*12.7
ASTMA335P5无缝钢管-406.4*19.05
ASTMA106无缝管-355.6*27.79
ASMEA335T91合金钢管-355.6*15.09
ASTM美标钢管-610*38.89
A333-6无缝钢管-660*30
ASTMA106-B无缝钢管-273.1*9.27
ASTMA106B无缝管-48.3*10.15
ASTMA106B无缝管-508*9.53
A333-6美标低温钢管-660*80
ASTMA333GR.6美标无缝管-273.1*28.58
ASTM美标无缝管-1016*9.53
A106无缝钢管-660*25
A333-6无缝钢管-168.3*6.4
ASTMA106B无缝管-141.3*15.88
ASTMA106-B无缝钢管-609.6*12.7
ASTMA106-B无缝管-813*20
美标钢管-508*50.01
ASTMA333GR6钢管-21.3*4.78
试用会员
