冷弯不等边槽钢的基本尺寸与主要参数(GB/T 6723—2017)

规  格

尺寸/mm

理论重量

/(kg/m)

截面面积

/cm²

重心/cm

惯性矩/cm⁴

H×B×b×t

H

B

b

t

X₀

Y₀

I_x

I_y

I_u

I_v

50×32×20×2.5

50

32

20

2.5

1.840

2.344

0.817

2.803

8.536

1.853

8.769

1.619

50×32×20×3.0

3.0

2.169

2.764

0.842

2.806

9.804

2.155

10.083

1.876

80×40×20×2.5

80

40

20

2.6

2.586

3.294

0.828

4.588

28.922

3.775

29.607

3.090

80×40×20×3.0

3.0

3.064

3.904

0.852

4.591

33.654

4.431

34.473

3.611

100×60×30×3.0

100

50

30

3.0

4.242

5.404

1.326

5.807

77.936

14.880

80.845

11.970

150×60×50×3.0

150

50

5.890

7.504

1.304

7.793

245.876

21.452

246.257

21.071

200×70×60×4.0

200

70

60

4.0

9.832

12.605

1.469

10.311

706.995

47.735

707.582

47.149

200×70×60×5.0

5.0

12.061

15.463

1.527

10.315

848.963

57.959

849.689

57.233

250×80×70×5.0

250

80

70

5.0

14.791

18.963

1.647

12.823

1616.200

92.101

1617.030

91.271

250×80×70×6.0

6.0

17.555

22.507

1.696

12.825

1891.478

108.125

1892.465

107.139

300×90×80×6.0

300

90

80

6.0

20.831

26.707

1.822

15.330

3222.869

161.726

3223.981

160.613

300×90×80×8.0

8.0

27.259

34.947

1.918

15.334

4115.825

207.555

4117.270

206.110

350×100×90×6.0

350

100

90

6.0

24.107

30.907

1.953

17.834

5064.502

230.463

5065.739

229.226

350×100×90×8.0

8.0

31.627

40.547

2.048

17.837

6506.423

297.082

6508.041

295.464

400×150×100×8.0

400

160

100

8.0

38.491

49.347

2.882

21.589

10787.704

763.610

10843.850

707.463

400×150×100×10

10

47.466

60.854

2.981

21.602

13071.444

931.170

13141.358

861.255

400×200×150×10

450

200

150

10

59.166

75.854

4.402

23.950

22328.149

2337.132

22430.862

2234.420

400×200×150×12

12

70.223

90.030

4.504

23.960

26133.270

2750.039

26256.075

2627.235

500×250×200×12

500

250

200

12

84.263

108.030

6.008

26.355

40821.990

5579.208

40985.443

5415.752

500×250×200×14

14

96.746

124.033

6.159

26.371

46087.838

6369.068

46277.561

6179.346

550×300×250×14

550

300

250

14

113.126

145.033

7.714

28.794

67847.216

11314.348

68086.256

11075.308

550×300×250×16

16

128.144

164.287

7.831

28.800

76016.861

12738.984

76288.341

12467.503

名 称

回转半径/cm

截面系数/cm³

H×B×b×t

r_x

r_y

r_u

r_v

W_{x max}

W_{x min}

W_{y max}

W_{y min}

50×32×20×2.5

1.908

0.889

1.934

0.831

3.887

3.044

2.266

0.777

50×32×20×3.0

1.883

0.883

1.909

0.823

4.468

3.494

2.559

0.914

80×40×20×2.5

2.962

1.070

2.997

0.968

8.476

6.303

4.555

1.190

80×40×20×3.0

2.936

1.065

2.971

0.961

9.874

7.329

5.200

1.407

100×60×30×3.0

3.797

1.659

3.867

1.488

18.590

13.419

11.220

3.183

150×60×50×3.0

5.724

1.690

5.728

1.675

34.120

31.547

16.440

4.569

200×70×60×4.0

7.489

1.946

7.492

1.934

72.969

68.567

32.495

8.630

200×70×60×5.0

7.410

1.936

7.413

1.924

87.658

82.304

37.956

10.590

250×80×70×5.0

9.232

2.204

9.234

2.194

132.726

126.039

55.920

14.497

250×80×70×6.0

9.167

2.192

9.170

2.182

155.358

147.484

63.753

17.152

300×90×80×6.0

10.986

2.461

10.987

2.452

219.691

210.233

88.763

22.531

300×90×80×8.0

10.852

2.437

10.854

2.429

280.637

268.412

108.214

29.307

350×100×90×6.0

12.801

2.731

12.802

2.723

295.031

283.980

118.005

28.640

350×100×90×8.0

12.668

2.707

12.669

2.699

379.096

364.771

145.060

37.359

400×150×100×8.0

14.786

3.934

14.824

3.786

585.938

499.685

264.958

63.015

400×150×100×10

14.656

3.912

14.695

3.762

710.482

605.103

312.368

77.475

400×200×150×10

17.157

5.551

17.196

5.427

1060.720

932.282

530.925

149.835

400×200×150×12

17.037

5.527

17.077

5.402

1242.076

1090.704

610.577

177.468

500×250×200×12

19.439

7.186

19.478

7.080

1726.453

1548.928

928.630

293.766

500×250×200×14

19.276

7.166

19.306

7.058

1950.478

1747.671

1034.107

338.043

550×300×250×14

21.629

8.832

21.667

8.739

2588.995

2356.297

1466.729

507.689

550×300×250×16

21.511

8.806

21.549

8.711

2901.407

2639.474

1626.738

574.631