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ASTM A 453/453M-2002
Standard Specification for High-Temperature Bolting Materials,with Expansion Coefficients Comparable to Austenitic Stainless Steels
Chemical Composition (%)
Material Designation 碳C 硅Si 锰Mn 磷P 硫S 铬Cr 镍Ni 铜Cu 硼B 铝Al 钼Mo 钛Ti
Grade 660 (S66286) 0~0.08 0~1 0~2 0~0.04 0~0.03 13.5~16 24~27 - 0.001~0.01 0~0.35 1~1.5 1.9~2.35
Grade 651 (S63198) 0.28~0.35 0.3~0.8 0.75~1.5 0~0.04 0~0.03 18~21 8~11 0~0.5 - - 1~1.75 0.1~0.35
Grade 662 (S68220) 0~0.08 0.4~1 0.4~1 0~0.04 0~0.03 12~15 24~28 0~0.5 0.001~0.01 0~0.35 2~3.5 1.8~2.1
Grade 665 (S66545) 0~0.08 0.1~0.8 1.25~2 0~0.04 0~0.03 12~15 24~28 0~0.25 0.01~0.07 0~0.25 1.25~2.25 2.7~3.3
For Reference Only