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发表于 2010-11-27 15:20:17
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回火温度与硬度 & K- C8 B) q- }+ t
材料 140 160 180 200 220 240 260 280 300 320 5 r, @) z+ R. } ~
45 59.8 59.2 58.4 57.6 56.6 55.6 54.5 53.3 52.0 50.6
) d+ a7 n8 q, w40Cr 64.5 63.0 61.5 60.0 58.5 57.0 55.5 54.0 52.5 51.0
% y e2 F$ d" h5CrMnMo 60.6 59.4 58.2 57.0 55.8 54.6 53.4 52.2 51.0 49.8 1 f2 _6 a3 G3 \, ^
T8 65.7 64.0 62.2 60.5 58.7 56.9 55.2 53.4 51.7 49.9
. N' Z6 i9 Y& P) f& t7 mT10 70.0 68.2 66.3 64.5 62.7 60.9 59.1 57.2 55.4 53.6 , j% W. Q& \+ q6 q; G/ W
T12 63.8 62.5 61.3 60.0 58.8 57.5 56.3 55.0 53.8 52.5 / u' T6 O" i' y3 K- p
GCr15 640 626 613 600 586 573 560 546 533 520
# H! A: ~" |4 R1 _/ A8 o30CrMo 53.8 52.5 51.3 50.0 48.8 47.5 46.3 45.0 43.8 42.5 8 h t$ o, {+ z
38CrMoAl 58.4 57.6 56.8 56.0 55.2 54.4 53.6 52.8 52.0 51.2 , n& E% U' i$ [" w. v- W
9CrSi 64.3 63.7 63.0 62.3 61.7 61.0 60.3 59.7 59.0 58.3 & y- P0 w, j( d% z! m) {8 J9 v! k
材料 340 360 380 400 420 440 460 480 500 520
& Q1 k/ r7 X4 ^* `45 49.2 47.6 46.0 44.2 42.4 40.5 38.5 36.4 34.2 32.0
l: a$ [+ n7 E" r; Q40Cr 49.5 48.0 46.5 45.0 43.5 42.0 40.5 39.0 37.5 36.0 5 D5 Y& `' q5 g }5 E6 E
5CrMnMo 48.6 47.4 46.2 45.0 43.8 42.6 41.4 40.2 39.0 37.8
0 M( m5 T$ d% BT8 48.2 46.4 44.7 42.9 41.2 39.4 37.6 35.9 34.1 32.4
$ U# I, z5 P# g) s4 P6 O% ~: b4 hT10 51.8 50.0 48.2 46.3 44.5 42.7 40.9 39.1 37.2 35.4
8 H* Q0 K0 @' ^5 o- ]4 A5 GT12 51.3 50.0 48.8 47.5 46.3 45.0 43.8 42.5 41.3 40.0
/ F& o! B: K7 J8 q% v9 E5 q: JGCr15 506 493 480 466 453 440 426 413 400 386
; B9 Q' N5 c. S' c: v2 J30CrMo 41.3 40.0 38.8 37.5 36.3 35.0 33.8 32.5 31.3 30.0 . ?( n. i- L$ H' O8 [1 F) f1 E1 T6 ^
38CrMoAl 50.4 49.6 48.8 48.0 47.2 46.4 45.6 44.8 44.0 43.2
" R1 C+ h5 Z+ i9 H9CrSi 57.7 57.0 56.3 55.7 55.0 54.3 53.7 53.0 52.3 51.7 6 O P& m0 e. M$ C& S
材料 540 560 580 600 620 640 660 680 700 720
9 ^; M1 ]$ o z; n w+ R& ]45 29.6 27.2 24.6 22.0 225 214 200 189 178 167 / g3 e/ L# l0 q3 W! ~
40Cr 34.5 33.0 31.5 30.0 28.5 27.0 25.5 24.0 22.5 230 6 q$ c2 P! Y8 A8 n. T+ B
5CrMnMo 36.6 35.4 34.2 33.0 31.8 30.6 29.4 28.2 27.0 25.8 ! ^( F: y4 x% l3 ]( O# D
T8 30.6 28.9 27.1 25.4 23.6 21.9 228 221 213 205 # w1 s8 ~' K' a. t6 q( ^5 P
T10 33.6 31.8 30.0 28.2 26.3 24.5 22.7 231 224 215
! ^% s8 Q4 |. C* N- T: p4 NT12 38.8 37.5 36.3 35.0 33.8 32.5 31.3 30.0 28.8 27.5
$ l2 T( X/ r% m$ L9 yGCr15 373 360 346 333 320 306 293 280 266 253
' s; |+ j& e" c, B# Y7 F30CrMo 28.8 27.5 26.3 25.0 23.8 22.5 21.3 226 223 217 / @$ T t3 u6 w1 \8 Z9 y
38CrMoAl 42.4 39.0 37.0 35.0 33.0 31.0 29.0 27.0 25.0 23.0
3 D$ J* [) N" i" Y9CrSi 51.0 50.3 49.7 49.0 48.3 47.7 47.0 46.3 45.7 45.0
$ s, m! M1 @! K6 ?; K& ]为了给大家省钱，我来贴出来吧
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楼主: 金阳
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