硬 度 换 算 表

硬 度 换 算 表

(HRC)硬度

（HV）硬度

硬度（HB）10mm荷重3000kgt

硬度

（HS）硬度

抗拉强度

标准球

(HRB)荷重60kgt

(HRB)荷重

100kgt/1.6mm

(HRD)荷重

100kgt

Mpa(kgt/mm2)

68

940

-

-

85.6

-

76.9

97

-

67

900

-

-

85

-

76.1

95

-

66

865

-

-

84.5

-

75.4

92

-

65

832

-

739

83.9

-

74.5

91

-

64

800

-

722

83.4

-

73.8

88

-

63

772

-

705

82.8

-

73

87

-

62

746

-

688

82.3

-

72.2

85

-

61

720

-

670

81.8

-

71.5

83

-

60

697

-

654

81.2

-

70.7

81

-

59

674

-

634

80.7

-

69.9

80

-

58

653

-

615

80.1

-

69.2

78

-

57

633

-

595

79.6

-

68.5

76

-

56

613

-

577

79

-

67.7

75

-

55

595

-

560

78.5

-

66.9

74

2075(199)

54

577

-

543

78

-

66.1

72

2015(205)

53

560

-

525

77.4

-

65.4

71

1950(199)

52

544

500

512

76.8

-

64.6

69

1880(192)

51

528

487

496

76.3

-

63.8

68

1760(179)

50

513

475

481

75.9

-

63.1

67

1695(173)

49

498

464

469

75.2

-

62.1

66

1635(199)

48

484

451

455

74.7

-

61.4

64

1580(192)

47

471

442

443

74.1

-

60.8

63

1530(186)

46

458

432

432

73.6

-

60

62

1480(179)

45

446

421

421

73.1

-

59.2

60

1435(173)

44

434

409

409

72.5

-

58.5

58

1385(141)

43

423

400

400

72

-

57.7

57

1340(136)

42

412

390

390

71.5

-

56.9

56

1295(132)

41

402

381

381

70.9

-

56.2

55

1250(127)

40

392

371

371

70.4

-

55.4

54

1215(124)

39

382

362

362

69.9

-

54.6

52

1180(120)

38

372

353

353

69.4

-

53.8

51

1160(118)

37

363

344

344

68.9

-

53.1

50

1115(114)

36

354

336

336

68.4

109

52.3

49

1080(110)

35

345

327

327

67.9

108.5

51.5

48

1055(108)

34

336

319

319

67.4

108

50.8

47

1025(105)

33

327

311

311

66.8

107.5

50

46

1000(102)

32

318

301

301

66.3

107

49.2

44

980(100)

31

310

294

294

65.8

106

48.4

43

950(97)

30

302

286

286

65.3

105.5

47.7

42

930(95)

29

294

279

279

64.7

104.5

47

41

910(93)

28

286

271

271

64.3

104

46.1

41

880(90)

27

279

264

264

63.8

103

45.2

40

860(88)

26

272

258

258

63.3

102.5

44.6

38

860(86)

25

266

253

253

62.8

101.5

43.8

38

840(86)

24

260

247

247

62.4

101

43.1

37

825(84)

-

-

-

243

-

99

42.1

35

-

23

254

243

237

61.5

99

41.6

35

785(80)

21

243

231

231

61

98.5

40.9

35

770(79)

20

238

226

226

60.5

97.8

40.1

34

760(77)

18

230

219

219

96.7

33

730(75)

16

222

212

212

95.5

32

705(72)

14

213

203

203

93.9

31

675(69)

12

204

194

194

92.3

29

650(66)

10

196

187

187

90.7

28

620(63)

8

188

179

179

89.5

27

600(61)

6

180

171

171

87.1

26

580(59)

4

173

165

165

85.5

25

550(560)

2

166

158

158

83.5

24

530(54)

0

160

152

152

81.7

24