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ASTMA333GR6低溫?zé)o縫管-273.1*6.35

ASTMA333GR.6鋼管-273.1*9.27

ASTM美標(biāo)無縫鋼管-609.6*38.89

ASTMA333GR6無縫鋼管-26.7*7.82

A355P22無縫鋼管-914*20

A333GR.6無縫鋼管-406.4*9.53

A333GR.6低溫?zé)o縫鋼管-914*100

ASTMA106GR.B無縫鋼管-1168*9.53

A106鋼管-1016*12.7

ASTMA106B美標(biāo)無縫鋼管-711*80

ASTMA106B無縫管-813*50

A106B美標(biāo)鋼管-323.9*25.4

A333GR.6美標(biāo)低溫鋼管-323.9*21.44

ASTMA106-B美標(biāo)無縫鋼管-114.3*6.02

A106B無縫鋼管-610*24.61

ASTM美標(biāo)鋼管-965*30

ASTMA335P91合金管-48.3*5.08

ASTM美標(biāo)無縫管-914*12.7

ASMEA335T91合金鋼管-559*34.93

A106B無縫管-711*50

A333GR.6低溫?zé)o縫鋼管-508*32.54

ASTMA335P22無縫鋼管-355.6*7.92

ASTMA335P91合金管-219.1*23.01

美標(biāo)合金鋼管-610*9.53