角钢号数

角钢尺寸（毫米）

截面面积

角钢理论重量表

角钢表面积

B

b

d

r

（厘米2）

（公斤/米）

（米2/米）

2.5/1.6

25

16

3

3.5

1.162

0.912

0.08

4

1.499

1.176

0.079

3.2/2

32

20

3

3.5

1.492

1.171

0.102

4

1.939

1.522

0.101

4/2.5

40

25

3

4

1.89

1.484

0.127

4

2.467

1.936

0.127

4.5/2.8

45

28

3

5

2.149

1.687

0.143

4

2.806

2.203

0.143

5/3.2

50

32

3

5.5

2.431

1.908

0.161

4

3.177

2.494

0.16

5.6/3.6

56

3

6

2.743

2.153

0.181

36

4

3.59

2.818

0.18

5

4.415

3.466

0.18

6.3/4

63

4

7

4.058

3.185

0.202

40

5

4.993

3.92

0.202

6

5.908

4.638

0.201

7

6.802

5.339

0.201

7/4.5

70

45

4

7.5

4.547

3.57

0.226

5

5.609

4.403

0.225

6

6.647

5.218

0.225

7

7.657

6.011

0.225

7.5/5

75

50

5

8

6.125

4.808

0.245

6

7.26

5.699

0.245

8

9.467

7.431

0.244

10

11.59

9.098

0.244

8/5

80

50

5

8

6.375

5.005

0.255

6

7.56

5.935

0.255

7

8.724

6.848

0.255

8

9.867

7.745

0.254

5.6/3.6 

56

3

6

2.743

2.153

0.181

36

4

3.59

2.818

0.18

5

4.415

3.466

0.18

6.3/4

63

4

7

4.058

3.185

0.202

40

5

4.993

3.92

0.202

6

5.908

4.638

0.201

7

6.802

5.339

0.201

7/4.5

70

45

4

7.5

4.547

3.57

0.226

5

5.609

4.403

0.225

6

6.647

5.218

0.225

7

7.657

6.011

0.225

7.5/5

75

50

5

8

6.125

4.808

0.245

6

7.26

5.699

0.245

8

9.467

7.431

0.244

10

11.59

9.098

0.244

8/5

80

50

5

8

6.375

5.005

0.255

6

7.56

5.935

0.255

7

8.724

6.848

0.255

8

9.867

7.745

0.254

9/5.6 

90

5

9

7.212

5.661

0.287

56

6

8.557

6.717

0.286

7

9.88

7.756

0.286

8

11.183

8.779

0.286

10/6.3

100

6

10

9.617

7.55

0.32

63

7

11.111

8.722

0.32

8

12.584

9.878

0.319

10

15.467

12.142

0.319

10/8

100

80

6

10

10.637

8.35

0.354

7

12.301

9.656

0.354

8

13.944

10.946

0.353

10

17.167

13.476

0.353

11/7

110

70

6

10

10.637

8.35

0.354

7

12.301

9.656

0.354

8

13.944

10.946

0.353

10

17.167

13.476

0.353

12.5/8

125

80

7

11

14.096

11.066

0.403

8

15.989

12.551

0.403

10

19.712

15.474

0.402

12

23.351

18.33

0.402

9/14

140

90

8

12

18.038

14.16

0.453

10

22.261

17.475

0.452

12

26.4

20.724

0.451

14

30.456

23.908

0.451

10/16

160

100

10

13

25.315

19.872

0.512

12

30.054

23.592

0.511

14

34.709

27.247

0.51

16

39.281

30.835

0.51

11/18

180

110

10

14

28.373

22.373

0.571

12

33.712

26.464

0.571

14

38.967

30.589

0.57

16

44.139

34.649

0.569

20/12.5

200

125

12

14

37.912

29.761

0.641

14

43.867

34.436

0.64

16

49.739

39.045

0.639

18

55.526

43.588

0.639