1. A S T M A513 - 08a Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing ; Q* M+ R7 c6 W/ i' }1 v# L$ H) B1 o2 K/ O- ]! T% i
2. A S T M A500 / A500M - 10a Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes 0 v5 a! A- n1 @# T& x5 c* `( g! h. @" A& P b9 v r
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.5 E" g: e8 ?& X
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing $ M0 L; z ~$ U0 O4 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. . T# ^/ E/ Q! [$ ?3 t2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing ) A# q& D; E, [ n3. ... 3 J, m! B! g7 ?5 odljdw 发表于 2011-12-15 16:44 http://www.3dportal.cn/discuz/images/common/back.gif
( _) M! t9 G" _0 o/ f 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： 4 v+ W6 ]3 w6 I# @! k9 EA S T M A554 - 11 Standard Specification for Welded Stainless Steel Mechanical Tubing0 j* t7 z' g; X |
无缝不锈钢方管：( t( U5 f {% {5 B9 R& S
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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