求AISI 4140 机械性能?是根据那个标准号?谢谢

Jerry-kong

求AISI 4140 机械性能?是根据那个标准号?谢谢

cylin123

AISI 4140特姓
Composition
' x# i6 {. f7 S2 r6 a8 U& V( x+ h/ Q' T- i Element  Weight %  
* w& k2 v0 G4 b( z* sC  0.38-0.43  
Mn  0.75-1.00  
0 o1 y- N  R, U, j% ~6 UP  0.035 (max)  
S  0.04 (max)  
Si  0.15-0.30  
/ G8 r" l$ t( Q( v& ~+ ?& nCr  0.80-1.10  
Mo  0.15-0.25  
/ q7 P8 g+ @3 }' k+ v6 B Mechanical Properties


" z! ]1 w/ d0 H6 Y# b+ r" ^9 n& OProperties  Conditions  
T (°C) Treatment  Density (×1000 kg/m3) 7.7-8.03  25   
Poisson's Ratio 0.27-0.30 25   
6 T  n( g% f8 D/ ?Elastic Modulus (GPa) 190-210  25   
, e5 h( r# q0 B! \# f, `( eTensile Strength (Mpa) 655.0  25  annealed at 815°C  more
4 Y5 Y" ?9 m3 N8 Z% J0 O0 `Yield Strength (Mpa) 417.1  
Elongation (%) 25.7  
( ^6 t/ S+ F3 H6 f3 }Reduction in Area (%) 56.9  
Hardness (HB) 197  25  annealed at 815°C more
Impact Strength (J)
; T. p* I1 M4 T; ^2 p(Izod) 54.5  25  annealed at 815°C  more

Jerry-kong

原帖由 cylin123 于 2009-7-14 15:36 发表 http://www.3dportal.cn/discuz/images/common/back.gif
AISI 4140特姓
Composition
Element  Weight %  
C  0.38-0.43  
Mn  0.75-1.00  
P  0.035 (max)  
S  0.04 (max)  
, Z" x) A  a0 ~: s- @1 TSi  0.15-0.30  
Cr  0.80-1.10  
Mo  0.15-0.25  
Mechanical Properties
3 F, I! M0 }; n; I' b

...

% `% t# y& b/ R7 g) C
是根据那个标准号得来的?谢谢.

Jerry-kong

原帖由 Jerry-kong 于 2009-7-14 14:36 发表 http://www.3dportal.cn/discuz/images/common/back.gif
. d$ y6 x( a  v6 E( D/ @求AISI 4140 机械性能?是根据那个标准号?谢谢

. @5 \8 W1 V7 Y3 w0 c& r没有,我要知道是根据那个标准号得来的?谢谢

Mrjianhuili

ASTM A 434 Standard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered

       
ASTM A 434 Document Information:

4 {. D# e& ^8 T5 G' tTitle
: [; I: t/ L; mStandard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered