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大井工業株式会社
〒174−0072
東京都板橋区南常盤台1−14−16
TEL 03-3974-2121
FAX 03-3958-5870 |
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硬度比較表 |
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| 高速度工具鋼 |
合金工具鋼 |
合金工具鋼 |
ステンレス鋼 |
JIS規格以外のステンレス鋼 |
|
ロックウエル
(HRC) |
ショア
(HS) |
ビッカーズ
(HV) |
材質 |
| 68 |
97 |
940 |
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| 67.5 |
96 |
920 |
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| 67 |
95 |
900 |
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| 66.4 |
93 |
880 |
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| 65.9 |
92 |
860 |
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SKH59 |
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| 65.3 |
91 |
840 |
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| 64.7 |
90 |
820 |
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SKH4 |
SKH10 |
| 64 |
88 |
800 |
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SKH55 |
SKH57 |
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SKH3 |
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| 63.3 |
87 |
780 |
SKH51 |
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SKH2 |
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| 62.5 |
86 |
760 |
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| 31.8 |
84 |
740 |
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| 61 |
83 |
720 |
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| 60.1 |
81 |
700 |
SKS |
SKD11 |
SUS440C |
SOH62 |
SOH60 |
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| 59.7 |
|
690 |
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| 59.2 |
80 |
680 |
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| 58.8 |
|
670 |
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| 58.3 |
79 |
660 |
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SOH58 |
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| 57.8 |
|
650 |
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| 57.3 |
77 |
640 |
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| 56.8 |
|
630 |
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| 56.3 |
75 |
620 |
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SOH56 |
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| 55.7 |
|
610 |
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| 55.2 |
74 |
600 |
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| 54.7 |
|
590 |
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SUS420J2 |
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| 54.1 |
72 |
580 |
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| 53.6 |
|
570 |
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| 53 |
71 |
560 |
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| 52.3 |
|
550 |
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| 51.7 |
69 |
540 |
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| 51.1 |
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530 |
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| 50.5 |
67 |
520 |
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| 49.8 |
|
510 |
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SUS301 |
SUS304 |
SUS310 |
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| 49.1 |
66 |
500 |
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| 48.4 |
|
490 |
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| 47.7 |
64 |
480 |
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| 46.9 |
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470 |
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| 46.1 |
62 |
460 |
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| 45.3 |
|
450 |
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| 72.8 |
59 |
440 |
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| 43.6 |
|
430 |
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| 42.7 |
57 |
420 |
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| 41.8 |
|
410 |
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| 40.8 |
55 |
400 |
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| 39.8 |
|
390 |
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| 38.8 |
52 |
380 |
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Copyright (C) ohi-kogyo Corporation. All Rights Reserved.
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