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Home > Standard > Hardness Conversion Chart standard

Hardness Conversion Chart

Hardness Conversion Chart standard Download, We provide the main countries around the ISO standard download, including: AISI(US),UNS(US),SAE(US),ASTM(US),AMS(US),ASME(US),MIL(US),FED(US),DIN(DEU),JIS(JPN),AFNOR(FR),B.S.(UK),SS(SWE),UNI(ITA).

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Hardness Conversion Chart

 

 Steel hardness conversion table contains conversion factors for Rockwell, Vickers & Brinell. As a guide we show the theoretical conversion comparison of tonnes tensile in Newtons /mm² and MPa to steel hardness.

 

 

N/mm²

Brinell

Tons

Vickers

Rockwell

 

N/mm²

Brinell

Tons

Vickers

Rockwell

/ MPa

HB

per sq in

 

C

 

/ MPA 

HB

per sq in

 

B

.

.

.

902

65

 

770

229

50

234

99

.

.

.

836

63

 

755

223

49

228

98

.

.

.

778

61

 

739

217

48

222

97

2033

601

132

715

59

 

693

212

46

217

97

1956

578

127

671

57

 

678

207

45

212

96

1879

555

122

633

56

 

662

201

44

206

95

1802

534

117

599

54

 

647

197

43

202

94

1725

514

112

572

52

 

631

192

42

197

93

1663

495

108

547

50

 

616

187

41

192

92

1617

477

105

523

49

 

601

183

40

188

91

1535

461

101

501

48

 

585

179

39

184

90

1509

444

98

479

47

 

585

174

38

179

89

1463

429

95

459

45

 

570

170

38

175

87

1417

415

92

441

44

 

560

167

37

172

86

1355

401

88

424

42

 

554

163

36

168

85

1309

388

85

409

41

 

554

159

36

164

84

1263

375

82

395

40

 

539

156

35

161

83

1232

363

80

382

39

 

524

152

35

157

82

1186

353

77

369

37

 

508

149

34

154

81

1155

341

75

356

36

 

508

145

33

151

80

1224

331

73

344

34

 

493

143

33

148

79

1093

321

71

332

33

 

493

140

32

145

78

1047

311

68

321

32

 

477

137

32

142

78

1016

302

66

310

31

 

462

134

31

139

77

986

293

64

299

30

 

462

131

30

136

75

970

285

63

290

29

 

447

128

30

133

73

939

277

61

282

27

 

447

126

29

131

72

909

269

59

274

26

 

431

123

28

128

70

893

262

58

267

25

 

431

121

28

126

69

862

255

56

260

24

 

416

118

27

123

67

847

248

55

253

22

 

416

116

27

121

66

816

241

53

246

21

 

400

114

26

119

64

785

235

51

240

20

 

385

111

25

116

63

 

 

All figures quoted on this chart are theoretical and for guidance only

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