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 |
¢éÍÁÙÅ¡ÒÃͺªØº
(Heat treatment) |
 |
|
|
Grade
|
ͺÍè͹C
|
àÇÅÒ
|
¤ÇÒÁá¢ç§
HB
|
¤ÅÒÂà¤ÃÕ´
C
|
àÇÅÒ
|
ÇԸժغ
|
ªØºá¢ç§ C
|
àÇÅÒ
|
ÊÒêغ
|
¤ÇÒÁá¢ç§
HRC
|
ͺ¤×¹ä¿
|
¨Ó¹Ç¹¤ÃÑé§
|
¤ÇÒÁá¢ç§
HRC
|
|
|
soft anneal
|
holding
|
hardness
|
stress relieve
|
holding
|
method
|
austenitizing
|
holding
|
quenchant
|
hardness
|
tempering
|
process
|
Hardness
|
|
S50C
|
710
|
1hr/25mm.
|
190
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
840
|
30sec/mm.
|
water, oil
|
57
|
150-180
|
2
|
48-54
|
|
1545
|
720
|
1hr/25mm.
|
180
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
840
|
30sec/mm.
|
water
|
62-64
|
180-300
|
2
|
56-62
|
|
2083
|
820
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
980-1030
|
60sec/mm.
|
oil
|
56
|
250
|
2
|
48-52
|
|
2311
|
720
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
hardchrome
|
880
|
60sec/mm.
|
oil
|
52
|
180-400
|
2
|
45-48
|
|
2316
|
820
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
hardchrome
|
980-1030
|
60sec/mm.
|
oil
|
55
|
180-300
|
2
|
46-50
|
|
2344
|
820
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1020-1040
|
30sec/mm.
|
oil , air
|
52-55
|
550-650
|
2
|
48-52
|
|
2367
|
820
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1020-1050
|
30sec/mm.
|
oil , air
|
52-56
|
550-650
|
2
|
44-50
|
|
2379
|
820
|
1hr/25mm.
|
255
|
675
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
980-1080
|
90sec/mm.
|
oil , air
|
62-63
|
180-250
|
2
|
58-60
|
|
2436
|
820
|
1hr/25mm.
|
255
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
980
|
90sec/mm.
|
oil , air
|
64-65
|
180-250
|
2
|
60-62
|
|
2510
|
830
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
830
|
60sec/mm.
|
oil
|
64
|
180-250
|
2
|
56-60
|
|
2738
|
720
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
ìNitriding
|
880
|
60sec/mm.
|
oil
|
52
|
550-650
|
2
|
48-52
|
|
3343
|
870
|
1hr/25mm.
|
255
|
700
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1190-123 0
|
2-5 min
|
oil , air
|
64-65
|
540-560
|
3
|
60-63
|
|
5920
|
|
1hr/25mm.
|
|
|
1hr/50mm.
|
àµÔÁ¤ÒÃìºÍ¹
|
|
|
|
|
170-210
|
2
|
58-60
|
|
6582
|
700
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
Induction
|
830-860
|
30sec/mm.
|
water , oil
|
55-58
|
550-650
|
1
|
55-58
|
|
7131
|
|
1hr/25mm.
|
|
|
1hr/50mm.
|
àµÔÁ¤ÒÃìºÍ¹
|
|
|
|
|
170-210
|
2
|
58-60
|
|
7225
|
700
|
1hr/25mm.
|
230
|
650
|
1hr/50mm.
|
Induction
|
830-860
|
30sec/mm.
|
water , oil
|
58-62
|
550-650
|
1
|
56-60
|
|
8550
|
|
1hr/25mm.
|
|
|
1hr/50mm.
|
Nitriding
|
|
|
|
|
580-660
|
1
|
1000HV
|
|
CPM1 0V
|
870-900
|
1hr/25mm.
|
255
|
700
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1070-1180
|
2-5 min
|
oil , air
|
53-65
|
540
|
3
|
63-65
|
|
CPM9 V
|
880-900
|
1hr/25mm.
|
255
|
700
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1070-1180
|
2-5 min
|
oil , air
|
53-60
|
540
|
3
|
49-53
|
|
REX M4
|
870
|
1hr/25mm.
|
255
|
700
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1100-1200
|
2-5 min
|
oil , air
|
64-65
|
560
|
3
|
60-64
|
|
REX7 6
|
870-9 00
|
1hr/25mm.
|
255
|
700
|
1hr/50mm.
|
¨ØèÁªØº·Ñ駪Ôé¹
|
1150-1205
|
2-5 min
|
oil , air
|
68-70
|
565
|
3
|
68-69
|
|
|
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|
