1. A S T M A513 - 08a Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing' S. `6 y, \* J4 _; ~* m' I" w
6 d6 y; f& L8 ?; h( a" t8 r' v2. A S T M A500 / A500M - 10a Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes 3 S) i' d7 Y5 C* i5 F$ w 9 d, Y1 k; t+ s5 d7 J% E6 n3. 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.& O4 o$ ]6 E; E5 M0 q) l2 A0 d
2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing * f3 `0 A6 F7 }# n( b1 \# `9 _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. # ]* U* Z5 D0 I% Q; [2. A S T M A 554 Standard Specification for Welded Stainless Steelk Mechanical Tubing/ q" L0 N1 T, k3 I
3. ...7 `8 ], ?. l6 X% T9 L& 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：/ s; t) K; j, Y4 x8 a0 ~& l" C4 i u
A S T M A554 - 11 Standard Specification for Welded Stainless Steel Mechanical Tubing : S$ T" r& W7 z无缝不锈钢方管：2 H/ i- w+ n) g U' z; F9 E
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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