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发表于 2014-4-2 01:07:31
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本帖最后由 lyklzy 于 2014-4-2 01:20 编辑
2013 版 ASME BPVC Section II, Part A :
SA-20/SA-20M Specification for General Requirements for Steel Plates for Pressure Vessels
7. Chemical Composition
TABLE 1 Limits on Elements (see 7.1.3 and 7.2.4)
Copper, max %A Heat analysis 0.40
Product analysis 0.43
Nickel, max %A Heat analysis 0.40
Product analysis 0.43
Chromium, max %A,B Heat analysis 0.30
Product analysis 0.34
Molybdenum, max %A,B Heat analysis 0.12
Product analysis 0.13
Vanadium, max %C Heat analysis 0.03
Product analysis 0.04
Columbium, max %D Heat analysis 0.02
Product analysis 0.03
Titanium, max %E Heat analysis 0.03
Product analysis 0.04
Boron, max % Heat analysis 0.0010
Product analysis 0.0015
2010版II A中有一个对旧版本材料的接受表,2013版ASME标准中还有。在第 1756 页:
Mandatory Appendix II Basis for Use of Acceptable ASME, ASTM, and Non-ASTM Editions
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