冷弯Z形钢的基本尺寸与主要参数(GB/T 6723—2017)

名 称

尺寸/mm

理论

重量

/(kg/m)

截面

面积

/cm²

惯性矩/cm⁴

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半径

/cm

惯性积矩

/cm⁴

截面系数

/cm³

角度

H×B×C×t

H

B

t

I_x

I_y

I_u

I_v

r_v

I_xy

W_x

W_y

tanα

80×40×2.5

80

40

2.5

2.947

3.755

37.021

9.707

43.307

3.421

0.954

14.532

9.255

2.505

0.432

80×40×3.0

3.0

3.491

4.447

43.148

11.429

50.606

3.970

0.944

17.094

10.787

2.968

0.436

100×50×2.5

100

50

2.5

3.732

4.755

74.429

19.321

86.840

6.910

1.205

28.947

14.885

3.963

0.428

100×50×3.0

3.0

4.433

5.647

87.275

22.837

102.038

8.073

1.195

34.194

17.455

4.708

0.431

140×70×3.0

140

70

3.0

6.291

8.065

249.769

64.316

290.867

23.218

1.697

96.492

35.681

9.389

0.426

140×70×4.0

4.0

8.272

10.605

322.421

83.925

376.599

29.747

1.675

125.922

46.061

12.342

0.430

200×100×3.0

200

100

3.0

9.099

11.665

749.379

191.180

870.468

70.091

2.451

286.800

74.938

19.409

0.422

200×100×4.0

4.0

12.016

15.405

977.164

251.093

1137.292

90.965

2.430

376.703

97.716

25.622

0.425

300×120×4.0

300

120

4.0

16.384

21.005

2871.420

438.304

3124.579

185.144

2.969

824.655

191.428

37.144

0.307

300×120×5.0

5.0

20.251

25.963

3506.942

541.080

3823.534

224.489

2.940

1019.410

233.796

46.049

0.311

400×150×6.0

400

150

6.0

31.595

40.507

9598.705

1271.376

10321.169

548.912

3.681

2556.980

479.935

86.488

0.283

400×150×8.0

8.0

41.611

53.347

12449.116

1661.661

13404.115

706.662

3.640

3348.736

622.456

113.812

0.285