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发表于 2010-9-25 17:24:30
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来自: 中国江苏常州
本帖最后由 wenjuanzhi2008 于 2010-9-25 17:30 编辑
" @2 s; R. D+ U# S( `( z
$ T( P; a$ c+ _) }+ I/ xComposition of AISI-SAE Standard Carbon steels:
2 z, Z+ w! D4 l( [: q& o+ hC%=0.18~0.23, Mn%=0.30~0.60,P%≤0.04,S%≤0.05;* m" R5 P/ j* @) [; h
# c, y5 ^1 N- @
Typical Mechnical Properties of Selected Carbon and Alloy Steels:7 Q5 p# i: Y& m+ M3 s3 x/ a8 O8 d
As-rolled: 3 R; j" s" I1 l% h# v5 z
Tensile Strength, Yeild Strength, Elongation, Reduction in Area, Hardness, Impact Strength(Izod)2 I0 T6 t6 E0 w( f( o
65000 lb/in.2, 48000 lb/in.2, 36%, 59%, 143Bhn, 64ft-lb;
. h% Y- p2 Q. b2 j8 c+ D/ O% p6 p0 F* B8 l- `8 X; r2 j( ?
Normalized(1600F):. `' D; j0 [: B9 z
Tensile Strength, Yeild Strength, Elongation, Reduction in Area, Hardness, Impact Strength(Izod)' U) w0 W! D: v! R7 N$ q
64000 lb/in.2, 50250 lb/in.2, 35.8%, 67.9%, 131Bhn, 86.8ft-lb;- R+ L& `2 s, `0 |7 [
- W/ f, m, {5 h& e# \Annealed(1600F):
: e5 q" d6 j$ j5 M. |; ~# ZTensile Strength, Yeild Strength, Elongation, Reduction in Area, Hardness, Impact Strength(Izod)/ A: z: E; I$ m
57250 lb/in.2, 42750 lb/in.2, 36.5%, 66%, 111Bhn, 91ft-lb; |
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