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我公司的所有产品全部正品出售。天津大无缝、成钢、太钢、鞍、冶、衡等钢管厂生产的钢管和不锈钢管，主要材质有：10#20#35#45#,16Mn,27SiMn,40Cr,42CrMo,40Mn2,35Mn2,Cr5Mo,12Cr1MoVG,15CrMoG
12×1 14×1.5-2.5-3 6×1.5-2.5-4
18×2.3-4-5 20×2.5-3-5 24×2.5-3-4-5-6
25×2.5-3-4-5-6 28×3-3.5-4-5-6 32×3.5-4-5-6-8
34×4-5-6-8 36×3.5-5-6-8 38×4-5-6-7-8-9-10
39×3.5-5-8-10 42×3.5-4-5-6-7-8-9-10 45×3.5-4-5-6-7-8-9
48×3.5-4-5-6-7-8-9-10 51×3.5-4-5-6-7-8-9-10 56×3.5-4-5-6-7-8-9-10
57×3.5-5-6-7-8-9-10-12 60×3.5-4.5-5-6-7-8-9-12-14 63×3.5-4.5-5-6-7-8-9-10-12-14
68×4-4.5-5-6-7-8-9-10-12-14 70×4-4.5-5-6-7-8-9-10-12-15 73×4-4.5-5-6-7-8-9-10-12-15
76×4-4.5-5-6-7-8-9-10-12-14 83×4.5-5-10-12-14-16-18-20 95×4.5-6-8-10-12-14-16-20
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