1. A S T M A513 - 08a Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing7 Y* d5 V3 `9 y3 M9 K
) Y. r! ^6 w4 n+ i6 ~2. A S T M A500 / A500M - 10a Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes * x: y2 d# ?) L6 b O- ]: E; Z , U2 X4 i- F" E+ D- M) |3. 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. 0 i ?) e! l8 {9 U: m F2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing ' p. W3 u, G& N7 y3. 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.$ d- y8 K- N* L: J; h
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing; m7 c P) x% Q: m2 j. A9 e* D' D
3. ... 0 B5 A, @8 K9 z9 a% `0 idljdw 发表于 2011-12-15 16:44 http://www.3dportal.cn/discuz/images/common/back.gif
( f$ w4 Z, ~3 A 上述标准好像还不能说明为美标不锈钢无缝方管的标准号。还有更好的说明或标准吗？谢谢！
有缝不锈钢方管：* d# E+ A5 Y, | w7 ?+ _
A S T M A554 - 11 Standard Specification for Welded Stainless Steel Mechanical Tubing 3 N! N8 I( [) x& z X无缝不锈钢方管： # O/ g# e& ]" x) U" e: XA 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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