Chartes - CHARTE DE CONVERSION DE DURETÉ
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Rockwell

Rockwell Superficial

Brinell

Vickers

Shore

 

A

B

C

D

E

F

15-N

30-N

45-N

30-T

3000 kg

500 kg

136

 

Approx Tensile Strength (psi)

60kg Brale

100kg 1/16" Ball

150kg Brale

100kg Brale

100kg 1/8" Ball

60kg 1/16" Ball

15kg Brale

30kg Brale

45kg Brale

30 kg 1/16" Ball

10mm Ball Steel

10mm Ball Steel

Diamond Pyramid

Sciero-scope

42.5

67

---

---

97.5

95.0

---

---

---

61.4

119

106

---

---

---

42.0

66

---

---

97.0

94.5

---

---

---

60.5

117

104

---

---

---

41.8

65

---

---

96.0

94.0

---

---

---

60.1

116

102

---

---

---

41.5

64

---

---

95.5

93.5

---

---

---

59.5

114

101

---

---

---

41.0

63

---

---

95.0

93.0

---

---

---

58.7

112

99

---

---

---

40.5

62

---

---

94.5

92.0

---

---

---

58.0

110

98

---

---

---

40.0

61

---

---

93.5

91.5

---

---

---

57.3

108

96

---

---

---

39.5

60

---

---

93.0

91.0

---

---

---

56.5

107

95

---

---

---

39.0

59

---

---

92.5

90.5

---

---

---

55.9

106

94

---

---

---

38.5

58

---

---

92.0

90.0

---

---

---

55.0

104

92

---

---

---

38.0

57

---

---

91.0

89.5

---

---

---

54.6

102

91

---

---

---

37.8

56

---

---

90.5

89.0

---

---

---

54.0

101

90

---

---

---

37.5

55

---

---

90.0

88.0

---

---

---

53.2

99

89

---

---

---

37.0

54

---

---

89.5

87.5

---

---

---

52.5

---

87

---

---

---

36.5

53

---

---

89.0

87.0

---

---

---

51.8

---

86

---

---

---

36.0

52

---

---

88.0

86.5

---

---

---

51.0

---

85

---

---

---

35.5

51

---

---

87.5

86.0

---

---

---

50.4

---

84

---

---

---

35.0

50

---

---

87.0

85.5

---

---

---

49.5

---

83

---

---

---

34.8

49

---

---

86.5

85.0

---

---

---

49.1

---

82

---

---

---

34.5

48

---

---

85.5

84.5

---

---

---

48.5

---

81

---

---

---

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