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

34.0

47

---

---

85.0

84.0

---

---

---

47.7

---

80

---

---

---

33.5

46

---

---

84.5

83.0

---

---

---

47.0

---

79

---

---

---

33.0

45

---

---

84.0

82.5

---

---

---

46.2

---

79

---

---

---

32.5

44

---

---

83.5

82.0

---

---

---

45.5

---

78

---

---

---

32.0

43

---

---

82.5

81.5

---

---

---

44.8

---

77

---

---

---

31.5

42

---

---

82.0

81.0

---

---

---

44.0

---

76

---

---

---

31.0

41

---

---

81.5

80.5

---

---

---

43.4

---

75

---

---

---

30.8

40

---

---

81.0

79.5

---

---

---

43.0

---

74

---

---

---

30.5

39

---

---

80.0

79.0

---

---

---

42.1

---

74

---

---

---

30.0

38

---

---

79.5

78.5

---

---

---

41.5

---

73

---

---

---

29.5

37

---

---

79.0

78.0

---

---

---

40.7

---

72

---

---

---

29.0

36

---

---

78.5

77.5

---

---

---

40.0

---

71

---

---

---

28.5

35

---

---

78.0

77.0

---

---

---

39.3

---

71

---

---

---

28.0

34

---

---

77.0

76.5

---

---

---

38.5

---

70

---

---

---

27.8

33

---

---

76.5

75.5

---

---

---

37.9

---

69

---

---

---

27.5

32

---

---

76.0

75.0

---

---

---

37.5

---

68

---

---

---

27.0

31

---

---

75.5

74.5

---

---

---

36.6

---

68

---

---

---

26.5

30

---

---

75.0

74.0

---

---

---

36.0

---

67

---

---

---

26.0

29

---

---

74.0

73.5

---

---

---

35.2

---

66

---

---

---

25.5

28

---

---

73.5

73.0

---

---

---

34.5

---

66

---

---

---

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