1. A S T M A513 - 08a Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing1 C& K! j0 G: p& v+ \+ O
' N" J T$ W' @: C: s& y2. A S T M A500 / A500M - 10a Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes ( e4 o C9 e2 m& b' H* Q. C' ?$ h- S. y; A! e6 U3 f
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. ( a; K7 m7 o# G8 o, k9 T# [2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing. I- p9 I4 x2 t* u e
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.+ M& M. ^' B% C7 P9 Z
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing - d' N, }: c6 L2 S# L3. ...& W. Q' S9 [0 Z7 M( _
dljdw 发表于 2011-12-15 16:44 http://www.3dportal.cn/discuz/images/common/back.gif
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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： $ g: ~- H0 g; a. D4 tA S T M A554 - 11 Standard Specification for Welded Stainless Steel Mechanical Tubing& y" N! d3 z: k# N
无缝不锈钢方管：: u3 H( f2 `' {6 v: h7 i4 t
A 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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