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发表于 2010-11-27 15:20:17
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回火温度与硬度 + `4 e& g1 ~- B2 P
材料 140 160 180 200 220 240 260 280 300 320 ; t) K6 z5 G" d) p
45 59.8 59.2 58.4 57.6 56.6 55.6 54.5 53.3 52.0 50.6
: R* l6 P+ x6 I- X+ j+ A40Cr 64.5 63.0 61.5 60.0 58.5 57.0 55.5 54.0 52.5 51.0 % g5 y. h4 d# ^* m( `, G' g
5CrMnMo 60.6 59.4 58.2 57.0 55.8 54.6 53.4 52.2 51.0 49.8 - A( r! } P! G' l1 [
T8 65.7 64.0 62.2 60.5 58.7 56.9 55.2 53.4 51.7 49.9 % `6 C6 d% x2 s$ v+ m7 P/ K4 s
T10 70.0 68.2 66.3 64.5 62.7 60.9 59.1 57.2 55.4 53.6 7 d* {& y' D* O* Y5 N* f! q9 }
T12 63.8 62.5 61.3 60.0 58.8 57.5 56.3 55.0 53.8 52.5
( m4 K: H1 G- `* aGCr15 640 626 613 600 586 573 560 546 533 520
4 j7 l# m: r& P$ g1 H30CrMo 53.8 52.5 51.3 50.0 48.8 47.5 46.3 45.0 43.8 42.5 : v4 O/ r( M2 ]' C1 x+ n! `
38CrMoAl 58.4 57.6 56.8 56.0 55.2 54.4 53.6 52.8 52.0 51.2 5 Q" }) J) h- `) P n" a; `
9CrSi 64.3 63.7 63.0 62.3 61.7 61.0 60.3 59.7 59.0 58.3 : y2 k B: y* |' t. }' O
材料 340 360 380 400 420 440 460 480 500 520
3 l- m; ~+ ^6 D+ r! ?- y45 49.2 47.6 46.0 44.2 42.4 40.5 38.5 36.4 34.2 32.0
+ g! I3 v. {5 y1 \% j$ Z40Cr 49.5 48.0 46.5 45.0 43.5 42.0 40.5 39.0 37.5 36.0 ! U7 z3 u; z) \1 s% v8 @
5CrMnMo 48.6 47.4 46.2 45.0 43.8 42.6 41.4 40.2 39.0 37.8 0 M, @) w ~7 N
T8 48.2 46.4 44.7 42.9 41.2 39.4 37.6 35.9 34.1 32.4
( w; K7 C- a$ L% vT10 51.8 50.0 48.2 46.3 44.5 42.7 40.9 39.1 37.2 35.4 8 ]1 L2 T+ f8 {" m
T12 51.3 50.0 48.8 47.5 46.3 45.0 43.8 42.5 41.3 40.0
& g# @4 D8 _+ J- c' f! JGCr15 506 493 480 466 453 440 426 413 400 386 $ V+ Y8 G& I s+ V( g
30CrMo 41.3 40.0 38.8 37.5 36.3 35.0 33.8 32.5 31.3 30.0
$ X+ J( M& `- l( c38CrMoAl 50.4 49.6 48.8 48.0 47.2 46.4 45.6 44.8 44.0 43.2
4 j2 _6 g' ?5 m# [+ D9CrSi 57.7 57.0 56.3 55.7 55.0 54.3 53.7 53.0 52.3 51.7 , T' q1 _% }; U5 s9 T4 f: U
材料 540 560 580 600 620 640 660 680 700 720
4 j3 v: I, ?, T% o$ H8 H45 29.6 27.2 24.6 22.0 225 214 200 189 178 167 ' [1 h% r. P: w3 C- P% V
40Cr 34.5 33.0 31.5 30.0 28.5 27.0 25.5 24.0 22.5 230
& ?0 e% l$ S, E5CrMnMo 36.6 35.4 34.2 33.0 31.8 30.6 29.4 28.2 27.0 25.8 ! @. V/ {- j. l0 U8 J" N
T8 30.6 28.9 27.1 25.4 23.6 21.9 228 221 213 205
$ X4 S5 I# P, n, JT10 33.6 31.8 30.0 28.2 26.3 24.5 22.7 231 224 215 ; f- g/ H' B I/ ]
T12 38.8 37.5 36.3 35.0 33.8 32.5 31.3 30.0 28.8 27.5
, \; o, R* }, T2 Z% ^0 C' L8 mGCr15 373 360 346 333 320 306 293 280 266 253 3 W& X( k- B# a; @
30CrMo 28.8 27.5 26.3 25.0 23.8 22.5 21.3 226 223 217 3 @1 N* ]6 m5 w; N9 Z
38CrMoAl 42.4 39.0 37.0 35.0 33.0 31.0 29.0 27.0 25.0 23.0 9 e0 E" e1 m) G! F1 [; b
9CrSi 51.0 50.3 49.7 49.0 48.3 47.7 47.0 46.3 45.7 45.0
3 Q# c# ^* n8 c( @) k2 k; Y为了给大家省钱，我来贴出来吧7 u$ J' v0 W4 w
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楼主: 金阳
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