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ASTMA106GRB無縫鋼管-762*80

美標無縫鋼管-1067*12.7

ASTMA333-6無縫管-60.3*8.74

A333GR.6無縫鋼管-711*12.7

ASTMA333-6低溫無縫管-762*40

A333-6美標低溫鋼管-406.4*26.19

ASTMA335P5無縫鋼管-457.2*12.7

ASTMA333-6美標無縫鋼管-711*60

ASTMA335P22無縫鋼管-88.9*15.24

ASTMA333GR.6低溫無縫管-42.2*3.56

GRB美標無縫鋼管-508*50.01

ASTMA333GR6無縫管-88.9*15.24

A106B無縫鋼管-457.2*12.7

GR.6低溫無縫鋼管-406.4*26.19

ASTMA335P9合金鋼管-273.1*21.44

A355P22無縫鋼管-609.6*30.96

ASTMA335P9無縫鋼管-219.1*22.23

A106B無縫鋼管-273.1*12.7

A333-6低溫鋼管-219.1*18.26

ASTM美標鋼管-141.3*15.88

ASTMA333-6無縫管-711*15.88

ASTMA106B美標鋼管-609.6*14.27

ASTMA333GR6低溫無縫鋼管-660*40

A106鋼管-610*24.61