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ASTMA106-B美標(biāo)無縫管-559*34.93

ASTMA106GRB無縫鋼管-114.3*17.12

ASTMA333GR6低溫鋼管-60.3*4.78

ASTMA106B美標(biāo)無縫管-88.9*7.62

GR.B無縫鋼管-660*40

ASTMA333-6無縫管-73*5.16

A355P22無縫鋼管-609.6*59.54

ASTMA335P9無縫鋼管-88.9*11.13

A333-6低溫?zé)o縫管-1168*9.53

ASTMA106無縫管-273.1*25.4

ASTMA333GR.6低溫?zé)o縫管-914*60

美標(biāo)合金鋼管-26.7*5.56

美標(biāo)合金鋼管-457.2*15.88

ASTMA333GR6無縫管-114.3*4.78

A355P22無縫鋼管-457.2*19.05

ASTMA106B美標(biāo)鋼管-610*30.96

ASTMA333-6低溫?zé)o縫管-60.3*3.91

ASTMA106-B無縫鋼管-406.4*30.96

ASTMA106B美標(biāo)鋼管-1118*12.7

ASTMA3336無縫鋼管-323.9*25.4

ASTMA106B美標(biāo)無縫管-508*32.83

ASTMA106無縫鋼管-219.1*7.04

ASTMA333-6無縫管-559*34.93

ASTMA333GR6低溫鋼管-660*50