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

65.3

105

30

47.7

---

---

75.0

50.4

31.3

---

286

---

302

42

140,000

64.7

104

29

47.0

---

---

74.5

49.5

30.1

---

279

---

294

41

137,000

64.3

104

28

46.1

---

---

73.9

48.6

28.9

---

271

---

286

41

133,000

63.8

103

27

45.2

---

---

73.3

47.7

27.8

---

264

---

279

40

129,000

63.3

103

26

44.6

---

---

72.8

46.8

26.7

---

258

---

272

39

126,000

62.8

102

25

43.8

---

---

72.2

45.9

25.5

---

253

---

266

38

124,000

62.4

101

24

43.1

---

---

71.6

45.0

24.3

---

247

---

260

37

121,000

62.0

100

23

42.1

---

---

71.0

44.0

23.1

82.0

240

201

254

36

118,000

61.5

99

22

41.6

---

---

70.5

43.2

22.0

81.5

234

195

248

35

115,000

61.0

98

21

40.9

---

---

69.9

42.3

20.7

81.0

228

189

243

35

112,000

60.5

97

20

40.1

---

---

69.4

41.5

19.6

80.5

222

184

238

34

109,000

59.0

96

18

---

---

---

---

---

---

80.0

216

179

230

33

106,000

58.0

95

16

---

---

---

---

---

---

79.0

210

175

222

32

103,000

57.5

94

15

---

---

---

---

---

---

78.5

205

171

213

31

100,000

57.0

93

13

---

---

---

---

---

---

78.0

200

167

208

30

98,000

56.5

92

12

---

---

---

---

---

---

77.5

195

163

204

29

96,000

56.0

91

10

---

---

---

---

---

---

77.0

190

160

196

28

93,000

55.5

90

9

---

---

---

---

---

---

76.0

185

157

192

27

91,000

55.0

89

8

---

---

---

---

---

---

75.5

180

154

188

26

88,000

54.0

88

7

---

---

---

---

---

---

75.0

176

151

184

26

86,000

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