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发表于 2009-7-14 15:36:00
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来自: 中国台湾
回复 1# Jerry-kong 的帖子
AISI 4140特姓# S& q. g- ?1 y1 c& v% L, z0 n, u
Composition 8 w9 v7 {, W7 O* X: a& B
Element Weight %
, t# O) M9 K% K: {7 y0 ^" }/ kC 0.38-0.43
" h; m( I$ C; X4 ?Mn 0.75-1.00
" T; o# r: \' i/ Q7 ^P 0.035 (max)
- Y+ c m* K- y$ |/ R! E9 uS 0.04 (max) ) m$ h# P( n3 O
Si 0.15-0.30 ' p0 M* O- `5 k& {; e3 w
Cr 0.80-1.10
" |- E7 ^3 F( a* I* MMo 0.15-0.25 4 z" J& y% o5 P/ U( i6 N3 m1 M0 ~- K
Mechanical Properties , Z8 O5 E2 Z) ?1 c$ H
5 w7 T F# v' ^' o9 V) N
% L2 f5 K5 {2 S" W$ X0 A" t5 \0 tProperties Conditions
/ v2 [5 W. E# M6 bT (°C) Treatment Density (×1000 kg/m3) 7.7-8.03 25
, r: z+ E' R. x7 D1 j" ePoisson's Ratio 0.27-0.30 25
% b# ], e2 o4 H# L9 ]$ H+ oElastic Modulus (GPa) 190-210 25 & e3 t7 l9 c+ t3 S0 d& K6 l
Tensile Strength (Mpa) 655.0 25 annealed at 815°C more ! A# Z( A, I9 z8 M e4 W+ s
Yield Strength (Mpa) 417.1
~( Q: ~+ v! ~( OElongation (%) 25.7
4 \- ?5 m' q# d% jReduction in Area (%) 56.9 # e0 t U# G3 u: Z8 x/ Y! ~& B N! v
Hardness (HB) 197 25 annealed at 815°C more
1 f( j. Z& ` ZImpact Strength (J)
% X" `8 [3 o0 z% {0 @3 u(Izod) 54.5 25 annealed at 815°C more |
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