1. A S T M A513 - 08a Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing b) F, D/ X) U
7 S2 A8 p1 r0 t* b9 U2. A S T M A500 / A500M - 10a Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes# C# R1 k( `+ p7 j: m5 Y
8 z7 g- j& B& Y+ j3. 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.+ Z2 P6 M3 `8 u- D
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing ) E! n/ @$ ^* H L3 U3. 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./ N* `( k5 J5 W+ Q" I4 k2 \
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing 0 D0 z1 R$ [$ T% P6 g( c+ b3. ...6 @4 `/ P; O6 j0 U; j) J
dljdw 发表于 2011-12-15 16:44 http://www.3dportal.cn/discuz/images/common/back.gif
* f/ x. y2 t9 n 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：* P; {# R" r- N g) Q% |
A S T M A554 - 11 Standard Specification for Welded Stainless Steel Mechanical Tubing2 Z$ W W, v! D6 h
无缝不锈钢方管： / m. [6 }) J0 }# H8 a4 m+ bA S T M A511 / A511M - 11 Standard Specification for Seamless Stainless Steel Mechanical Tubing
非常感谢dljdw,9 m! e# P9 G& O4 S5 e- g3 L. r+ x
美标不锈钢无缝方管的标准号应为：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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