1. A S T M A513 - 08a Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing 2 ^& Q8 S1 V1 S. A, E Z- M5 [1 X* g4 g; Q
2. A S T M A500 / A500M - 10a Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes 2 s9 ~9 x: A5 v9 `0 Q! v3 Q # x I: [. }4 x3 B- x5 i7 Q3. A S T M A501 - 07 Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing
1. A S T M A 270 Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing. , E! X* C+ S' S! k* ?: M/ G; r2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing9 k; [! U" ]$ E* P
3. A S T M A269－2007 普通设备用无缝和焊接奥氏体不锈钢管标准规范
1. A S T M A 270 Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing.8 F3 J8 E& W. V# X- u3 U
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing 5 G3 b- T* w) }1 V3. ... + h7 c+ M+ m# M/ idljdw 发表于 2011-12-15 16:44 http://www.3dportal.cn/discuz/images/common/back.gif
有缝不锈钢方管： + W3 b) p3 f J# IA S T M A554 - 11 Standard Specification for Welded Stainless Steel Mechanical Tubing5 ]- @7 }5 h- P
无缝不锈钢方管： 3 \5 E+ A U, c4 DA S T M A511 / A511M - 11 Standard Specification for Seamless Stainless Steel Mechanical Tubing
发表于 2011-11-24 08:36:59
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