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回火溫度與硬度
# g. H0 f+ G$ p1 R材料 140 160 180 200 220 240 260 280 300 320
+ Y K0 N, h' I3 K4 t' \& o s45 59.8 59.2 58.4 57.6 56.6 55.6 54.5 53.3 52.0 50.6 j F' D& k* t2 A9 t# a2 o1 I, @$ Z
40Cr 64.5 63.0 61.5 60.0 58.5 57.0 55.5 54.0 52.5 51.0
" a. x" e$ R9 D: f5CrMnMo 60.6 59.4 58.2 57.0 55.8 54.6 53.4 52.2 51.0 49.8
9 n5 v1 `0 a$ M6 C( T, h' I6 z% BT8 65.7 64.0 62.2 60.5 58.7 56.9 55.2 53.4 51.7 49.9 4 S: A* _- e6 G7 `1 S
T10 70.0 68.2 66.3 64.5 62.7 60.9 59.1 57.2 55.4 53.6
1 z7 X* p: C8 l5 b4 U0 ZT12 63.8 62.5 61.3 60.0 58.8 57.5 56.3 55.0 53.8 52.5 4 E U/ d. _9 S# \( q2 E
GCr15 640 626 613 600 586 573 560 546 533 520
3 ?5 n8 A B6 R* o30CrMo 53.8 52.5 51.3 50.0 48.8 47.5 46.3 45.0 43.8 42.5
2 c0 R: q; h( o! Y9 G- O! |, k. W38CrMoAl 58.4 57.6 56.8 56.0 55.2 54.4 53.6 52.8 52.0 51.2
1 {! M; O3 R, `/ Y6 l( U+ g+ B( b9CrSi 64.3 63.7 63.0 62.3 61.7 61.0 60.3 59.7 59.0 58.3 1 a; l# ]' G) |; F1 l
材料 340 360 380 400 420 440 460 480 500 520
* } \0 e# _' r45 49.2 47.6 46.0 44.2 42.4 40.5 38.5 36.4 34.2 32.0 \( C' I8 w$ I0 ^6 |- M& e4 ]
40Cr 49.5 48.0 46.5 45.0 43.5 42.0 40.5 39.0 37.5 36.0 . a/ D$ r/ c0 \, M# [* n
5CrMnMo 48.6 47.4 46.2 45.0 43.8 42.6 41.4 40.2 39.0 37.8
' F: r3 e3 e$ U- a, r7 @& [- LT8 48.2 46.4 44.7 42.9 41.2 39.4 37.6 35.9 34.1 32.4 , s3 [+ K6 V6 S4 i$ t7 K5 g* d
T10 51.8 50.0 48.2 46.3 44.5 42.7 40.9 39.1 37.2 35.4
5 N- R: b* o! `. ?T12 51.3 50.0 48.8 47.5 46.3 45.0 43.8 42.5 41.3 40.0
$ y1 E0 A( `5 b" A- W3 K* n7 p8 aGCr15 506 493 480 466 453 440 426 413 400 386 8 j3 ?* m8 A! a4 S4 o
30CrMo 41.3 40.0 38.8 37.5 36.3 35.0 33.8 32.5 31.3 30.0
. {. g" Q# g( R5 m38CrMoAl 50.4 49.6 48.8 48.0 47.2 46.4 45.6 44.8 44.0 43.2
! Z* Y1 {! @, X8 b. \9CrSi 57.7 57.0 56.3 55.7 55.0 54.3 53.7 53.0 52.3 51.7 " G% ?: i6 @; P
材料 540 560 580 600 620 640 660 680 700 720 1 a6 s9 t4 ]+ U* L2 e' O: @! E
45 29.6 27.2 24.6 22.0 225 214 200 189 178 167 % x! V. p- Z: J5 g3 {
40Cr 34.5 33.0 31.5 30.0 28.5 27.0 25.5 24.0 22.5 230
7 q4 }4 W' ^3 ?4 i5CrMnMo 36.6 35.4 34.2 33.0 31.8 30.6 29.4 28.2 27.0 25.8
4 J8 ~. s6 [4 r- Z+ f$ _T8 30.6 28.9 27.1 25.4 23.6 21.9 228 221 213 205 2 J+ p8 Z; E4 @- @8 W* I
T10 33.6 31.8 30.0 28.2 26.3 24.5 22.7 231 224 215 : Z- N) F8 Y. c0 {; o
T12 38.8 37.5 36.3 35.0 33.8 32.5 31.3 30.0 28.8 27.5 + [' k" o! m6 A- d, ?
GCr15 373 360 346 333 320 306 293 280 266 253
5 x4 H! u. ?* |: k0 l4 s30CrMo 28.8 27.5 26.3 25.0 23.8 22.5 21.3 226 223 217
& }% u/ E8 q& P Q# F. f38CrMoAl 42.4 39.0 37.0 35.0 33.0 31.0 29.0 27.0 25.0 23.0 ( L a; ?& ?( g3 K" X; e
9CrSi 51.0 50.3 49.7 49.0 48.3 47.7 47.0 46.3 45.7 45.0 1 C8 p* u9 ]0 H. y Z" d, d
為了給大家省錢，我來貼出來吧. C3 z4 S; M. {- ]
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樓主: 金陽
發(fā)表于 2010-11-23 01:50:49
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