版1ec34-02w00

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根据德国标准DIN50150,以下是常用范围的钢材抗拉强度与维氏硬 度、布氏硬度、洛氏硬度的对照表。

抗拉强度
Rm
N/mm2

维氏硬度
HV

布氏硬度
HB

洛氏硬度
HRC

250

80

76.0

-

270

85

80.7

-

285

90

85.2

-

305

95

90.2

-

320

100

95.0

-

335

105

99.8

-

350

110

105

-

370

115

109

-

380

120

114

-

400

125

119

-

415

130

124

-

430

135

128

-

450

140

133

-

465

145

138

-

480

150

143

-

490

155

147

-

510

160

152

-

530

165

156

-

545

170

162

-

560

175

166

-

575

180

171

-

595

185

176

-

610

190

181

-

625

195

185

-

640

200

190

-

660

205

195

-

675

210

199

-

690

215

204

-

705

220

209

-

720

225

214

-

740

230

219

-

755

235

223

-

770

240

228

20.3

785

245

233

21.3

800

250

238

22.2

820

255

242

23.1

835

260

247

24.0

850

265

252

24.8

865

270

257

25.6

880

275

261

26.4

900

280

266

27.1

915

285

271

27.8

930

290

276

28.5

950

295

280

29.2

965

300

285

29.8

995

310

295

31.0

1030

320

304

32.2

1060

330

314

33.3

1095

340

323

34.4

1125

350

333

35.5

1115

360

342

36.6

1190

370

352

37.7

1220

380

361

38.8

1255

390

371

39.8

1290

400

380

40.8

1320

410

390

41.8

1350

420

399

42.7

1385

430

409

43.6

1420

440

418

44.5

1455

450

428

45.3

1485

460

437

46.1

1520

470

447

46.9

1555

480

(456)

47.7

1595

490

(466)

48.4

1630

500

(475)

49.1

1665

510

(485)

49.8

1700

520

(494)

50.5

1740

530

(504)

51.1

1775

540

(513)

51.7

1810

550

(523)

52.3

1845

560

(532)

53.0

1880

570

(542)

53.6

1920

580

(551)

54.1

1955

590

(561)

54.7

1995

600

(570)

55.2

2030

610

(580)

55.7

2070

620

(589)

56.3

2105

630

(599)

56.8

2145

640

(608)

57.3

2180

650

(618)

57.8

 

660

 

58.3

 

670

 

58.8

 

680

 

59.2

 

690

 

59.7

 

700

 

60.1

 

720

 

61.0

 

740

 

61.8

 

760

 

62.5

 

780

 

63.3

 

800

 

64.0

 

820

 

64.7

 

840

 

65.3

 

860

 

65.9

 

880

 

66.4

 

900

 

67.0

 

920

 

67.5

 

940

 

68.0

硬度试验是机械性能试验中最简单易行的一种试验方法。为了能用硬度试验代替某些机械性能试验,生产上需要一个比较准确的硬度和强度的换算关系。

实 践证明,金属材料的各种硬度值之间,硬度值与强度值之间具有近似的相应关系。因为硬度值是由起始塑性变形抗力和继续塑性变形抗力决定的,材料的强度越高, 塑性变形抗力越高,硬度值也就越高。

下面是本站根据由实验得到的经验公式制作的快速计算器,有一定的实用价值,但在要求数据比较精确时, 仍需要通过试验测得。

 

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Welcome to BW tool world! We are an experienced tool maker specialized in cutting tools. We focus on what you need and endeavor to research the best cutter to satisfy users demand. Our customers involve wide range of industries, like mold & die, aerospace, electronic, machinery, etc. We are professional expert in cutting field. We would like to solve every problem from you. Please feel free to contact us, its our pleasure to serve for you. BW product including: cutting toolaerospace tool .HSS  DIN Cutting toolCarbide end millsCarbide cutting toolNAS Cutting toolNAS986 NAS965 NAS897 NAS937orNAS907 Cutting Tools,Carbide end milldisc milling cutter,Aerospace cutting toolhss drillФрезерыCarbide drillHigh speed steelCompound SharpenerMilling cutterINDUCTORS FOR PCDCVDD(Chemical Vapor Deposition Diamond )’PCBN (Polycrystalline Cubic Boron Nitride) Core drillTapered end millsCVD Diamond Tools Inserts’PCD Edge-Beveling Cutter(Golden FingerPCD V-CutterPCD Wood toolsPCD Cutting toolsPCD Circular Saw BladePVDD End Millsdiamond tool. INDUCTORS FOR PCD . POWDER FORMING MACHINE Single Crystal Diamond Metric end millsMiniature end millsСпециальные режущие инструментыПустотелое сверло Pilot reamerFraisesFresas con mango PCD (Polycrystalline diamond) ‘FresePOWDER FORMING MACHINEElectronics cutterStep drillMetal cutting sawDouble margin drillGun barrelAngle milling cutterCarbide burrsCarbide tipped cutterChamfering toolIC card engraving cutterSide cutterStaple CutterPCD diamond cutter specialized in grooving floorsV-Cut PCD Circular Diamond Tipped Saw Blade with Indexable Insert PCD Diamond Tool Saw Blade with Indexable InsertNAS toolDIN or JIS toolSpecial toolMetal slitting sawsShell end millsSide and face milling cuttersSide chip clearance sawsLong end millsend mill grinderdrill grindersharpenerStub roughing end millsDovetail milling cuttersCarbide slot drillsCarbide torus cuttersAngel carbide end millsCarbide torus cuttersCarbide ball-nosed slot drillsMould cutterTool manufacturer.

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BW is specialized in R&D and sourcing the most advanced carbide material with high-tech coating to supply cutting / milling tool for mould & die, aero space and electronic industry. Our main products include solid carbide / HSS end mills, micro electronic drill, IC card cutter, engraving cutter, shell end mills, cutting saw, reamer, thread reamer, leading drill, involute gear cutter for spur wheel, rack and worm milling cutter, thread milling cutter, form cutters for spline shaft/roller chain sprocket, and special tool, with nano grade. Please visit our web  www.tool-tool.com  for more info.

 

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