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ASTMA106無縫鋼管-101.6*4.78

ASTM美標(biāo)鋼管-762*15.88

ASTMA106B無縫鋼管-457.2*6.35

ASTMA333-6低溫?zé)o縫管-355.6*27.79

ASTMA333GR.6無縫鋼管-273.1*6.35

ASTMA106-B無縫鋼管-168.3*21.95

ASTMA333GR.6低溫?zé)o縫管-273.1*15.09

ASTMA333GR6低溫?zé)o縫鋼管-813*15.88

美標(biāo)合金鋼管-88.9*4.78

ASTMA333GR6低溫?zé)o縫鋼管-26.7*5.56

ASTMA106B無縫管-406.4*16.66

ASTMA333-6低溫鋼管-141.3*6.55

ASTMA106-B美標(biāo)無縫鋼管-508*26.19

ASTMA333-6低溫鋼管-965*30

ASMEa335t91無縫鋼管-355.6*35.71

ASTMA333GR.6美標(biāo)無縫管-1016*12.7

ASTMA333GR6低溫鋼管-88.9*5.49

ASTMA106B無縫管-762*12.7

ASTMA106無縫鋼管-406.4*30.96

A106無縫管-323.9*28.58

ASTMA335P11合金鋼管-1219*12.7

ASTMA333-6低溫?zé)o縫鋼管-33.4*3.38

ASTM美標(biāo)無縫管-965*30

GR.6低溫?zé)o縫鋼管-323.9*28.58