Materials Hardness Comparison

2015-08-05 17:31:00
admin
Original
1972

 

HRC

HV

HRA

HS

81

92.5

79

91.5

77

90.5

75

89.5

73

88.5

71

87.5

69

86.0

68

940

85.6

97

67

900

85.0

95

66

865

84.5

92

65

832

83.9

91

64

800

83.4

88

63

772

82.8

87

62

746

82.3

85

61

720

81.8

83

60

697

81.2

81

59

674

80.7

80

58

653

80.1

78

57

633

79.6

76

56

613

79.0

75

55

595

78.5

74

54

577

78.0

72

53

560

77.4

71

52

544

76.8

69

51

528

76.3

68

50

513

75.9

67

49

498

75.2

66

48

484

74.7

64

47

471

74.1

63

46

458

73.6

62

45

446

73.1

60

44

434

72.5

58

43

423

72.0

57

42

412

71.5

56


 

HRC

HV

HRA

HS

41

402

70.9

55

40

392

70.4

54

39

382

69.9

52

38

372

69.4

51

37

363

68.9

50

36

354

68.4

49

35

345

67.9

48

34

336

67.4

47

33

327

66.8

46

32

318

66.3

44

31

310

65.8

43

30

302

65.3

42

29

294

64.7

41

28

286

64.3

41

27

279

63.8

40

26

272

63.3

38

25

266

62.8

38

24

260

62.4

37

23

254

62.0

36

22

248

61.5

35

21

243

61.0

35

20

238

60.5

34

(18)

230

-

33

(16)

222

-

32

(14)

213

-

31

(12)

204

-

29

(10)

196

-

28

(8)

188

-

27

(6)

180

-

26

(4)

173

-

25

(2)

166

-

24

(0)

160

-

24

 

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