ASTMA335P11合金钢管-457.2*19.05
ASTMA333-6低温无缝钢管-914*50
ASTM美标钢管-610*17.48
ASTMA106-B无缝管-711*12.7
美标低温钢管-813*7.92
ASTMA335P5合金钢管-219.1*12.7
ASTMA335P11无缝钢管-114.3*13.49
GR.6美标无缝钢管-323.9*33.32
ASTMA333GR6低温钢管-457.2*45.24
ASTMA335P5无缝钢管-711*20
ASTM美标无缝钢管-711*15.88
美标合金钢管-711*100
ASTMA333GR.6无缝钢管-457.2*12.7
ASTMA106B无缝管-1118*12.7
GRB美标钢管-914*60
ASTMA335P5无缝钢管-323.9*6.35
ASTMA333GR.6低温钢管-219.1*12.7
ASTMA333GR.6低温无缝钢管-660*80
ASTMA106B无缝钢管-219.1*7.04
ASTMA333GR.6钢管-457.2*19.05