热轧不等边角钢(GB/T 706—2016)

B—长边宽度；b—短边宽度；d—边厚度；I—惯性矩；

i—惯性半径；W—截面系数；r—内圆弧半径； X₀—质心距离；

r₁—边端内圆弧半径r₁＝1/3d；Y₀—质心距离

型号

尺寸/mm

截面

面积/

理论

重量/

外表

面积/

参　　考　　数　　据

X-X

Y-Y

X₁-X₁

Y₁-Y₁

U-U

B

b

d

r

cm²

kg/m

m²/m

I_X

/cm⁴

i_X

/cm

W_X

/cm³

I_Y

/cm⁴

i_Y

/cm

W_Y

/cm³

Y₀

/cm

X₀

/cm

I_U

/cm⁴

i_U

/cm

W_U

/cm³

tanα

2.5/1.6

25

16

3

3.5

1.162

0.91

0.080

0.70

0.78

0.43

0.22

0.44

0.19

1.56

0.86

0.43

0.42

0.14

0.34

0.16

0.392

4

1.499

1.18

0.079

0.88

0.77

0.55

0.27

0.43

0.24

2.09

0.90

0.59

0.46

0.17

0.34

0.20

0.381

3.2/2

32

20

3

1.492

1.17

0.102

1.53

1.01

0.72

0.46

0.55

0.30

3.27

1.08

0.82

0.49

0.28

0.43

0.25

0.382

4

1.939

1.52

0.101

1.93

1.00

0.93

0.57

0.54

0.39

4.37

1.12

1.12

0.53

0.35

0.42

0.32

0.374

4/2.5

40

25

3

4

1.890

1.48

0.127

3.08

1.28

1.15

0.93

0.70

0.49

5.39

1.32

1.59

0.59

0.56

0.54

0.40

0.385

4

2.467

1.94

0.127

3.93

1.36

1.49

1.18

0.69

0.63

8.53

1.37

2.14

0.63

0.71

0.54

0.52

0.381

4.5/2.8

45

28

3

5

2.149

1.69

0.143

4.45

1.44

1.47

1.34

0.79

0.62

9.10

1.47

2.23

0.64

0.80

0.61

0.51

0.383

4

2.806

2.20

0.143

5.69

1.42

1.91

1.70

0.78

0.80

12.13

1.51

3.00

0.68

1.02

0.60

0.66

0.380

5/3.2

50

32

3

5.5

2.431

1.91

0.161

6.24

1.60

1.84

2.02

0.91

0.82

12.49

1.60

3.31

0.73

1.20

0.70

0.68

0.404

4

3.177

2.49

0.160

8.02

1.59

2.39

2.58

0.90

1.06

16.65

1.65

4.45

0.77

1.53

0.69

0.87

0.402

5.6/3.6

56

36

3

6

2.743

2.15

0.181

8.88

1.80

2.32

2.92

1.03

1.05

17.54

1.78

4.70

0.80

1.73

0.79

0.87

0.408

4

3.590

2.82

0.180

11.45

1.79

3.03

3.76

1.02

1.37

23.39

1.82

6.33

0.85

2.23

0.79

1.13

0.408

5

4.415

3.47

0.180

13.86

1.77

3.71

4.49

1.01

1.65

29.25

1.87

7.94

0.88

2.67

0.78

1.36

0.404

6.3/4

63

40

4

7

4.058

3.19

0.202

16.49

2.02

3.87

5.23

1.14

1.70

33.30

2.04

8.63

0.92

3.12

0.88

1.40

0.398

5

4.993

3.92

0.202

20.02

2.00

4.74

6.31

1.12

2.07

41.63

2.08

10.86

0.95

3.76

0.87

1.71

0.396

6

5.908

4.64

0.201

23.36

1.98

5.59

7.29

1.11

2.43

49.98

2.12

13.12

0.99

4.34

0.86

1.99

0.393

7

6.802

5.34

0.201

26.53

1.96

6.40

8.24

1.10

2.78

58.07

2.15

15.47

1.03

4.97

0.86

2.29

0.389

7/4.5

70

45

4

7.5

4.547

3.57

0.226

23.17

2.26

4.86

7.55

1.29

2.17

45.92

2.24

12.26

1.02

4.40

0.98

1.77

0.410

5

5.609

4.40

0.225

27.95

2.23

5.92

9.13

1.28

2.65

57.10

2.28

15.39

1.06

5.40

0.98

2.19

0.407

6

6.647

5.22

0.225

32.54

2.21

6.95

10.62

1.26

3.12

68.35

2.32

18.58

1.09

6.35

0.98

2.59

0.404

7

7.657

6.01

0.225

37.22

2.20

8.03

12.01

1.25

3.57

79.99

2.36

21.84

1.13

7.16

0.97

2.94

0.402

7.5/5

75

50

5

8

6.125

4.81

0.245

34.86

2.39

6.83

12.61

1.44

3.30

70.00

2.40

21.04

1.17

7.41

1.10

2.74

0.435

6

7.260

5.70

0.245

41.12

2.38

8.12

14.70

1.42

3.88

84.30

2.44

25.37

1.21

8.54

1.08

3.19

0.435

8

9.467

7.43

0.244

52.39

2.35

10.52

18.53

1.40

4.99

112.50

2.52

34.23

1.29

10.87

1.07

4.10

0.429

10

11.59

9.10

0.244

62.71

2.33

12.79

21.96

1.38

6.04

140.80

2.60

43.43

1.36

13.10

1.06

4.99

0.423

8/5

80

50

5

6.375

5.00

0.255

41.96

2.56

7.78

12.82

1.42

3.32

85.21

2.60

21.06

1.14

7.66

1.10

2.74

0.388

6

7.560

5.93

0.255

49.49

2.56

9.25

14.95

1.41

3.91

102.53

2.65

25.41

1.18

8.85

1.08

3.20

0.387

7

8.724

6.85

0.255

56.16

2.54

10.58

16.96

1.39

4.48

119.33

2.69

29.82

1.21

10.18

1.08

3.70

0.384

8

9.867

7.75

0.254

62.83

2.52

11.92

18.85

1.38

5.03

136.41

2.73

34.32

1.25

11.38

1.07

4.16

0.381

9/5.6

90

56

5

9

7.212

5.66

0.287

60.45

2.90

9.92

18.32

1.59

4.21

121.32

2.91

29.53

1.25

10.98

1.23

3.49

0.385

6

8.557

6.72

0.286

71.03

2.88

11.74

21.42

1.58

4.96

145.59

2.95

35.58

1.29

12.90

1.23

4.13

0.384

7

9.880

7.76

0.286

81.01

2.86

13.49

24.36

1.57

5.70

169.60

3.00

41.71

1.33

14.67

1.22

4.72

0.382

8

11.18

8.78

0.286

91.03

2.85

15.27

27.15

1.56

6.41

194.17

3.04

47.93

1.36

16.34

1.21

5.29

0.380

10/6.3

100

63

6

10

9.618

7.55

0.320

99.06

3.21

14.64

30.94

1.79

6.35

199.71

3.24

50.50

1.43

18.42

1.38

5.25

0.394

7

11.11

8.72

0.320

113.45

3.20

19.88

35.26

1.78

7.29

233.00

3.28

59.14

1.47

21.00

1.38

6.02

0.394

8

12.58

9.88

0.319

127.37

3.18

19.08

39.39

1.77

8.21

266.32

3.32

67.88

1.50

23.50

1.37

6.78

0.391

10

15.47

12.1

0.319

153.81

3.15

23.32

47.12

1.74

9.98

333.06

3.40

85.73

1.58

28.33

1.35

8.24

0.387

10/8

100

80

6

10.64

8.35

0.354

107.04

3.17

15.19

61.24

2.40

10.16

199.83

2.95

102.68

1.97

31.65

1.72

8.37

0.627

7

12.30

9.66

0.354

122.73

3.16

17.52

70.08

2.39

11.71

233.20

3.00

119.98

2.01

36.17

1.72

9.60

0.626

8

13.94

10.9

0.353

137.92

3.14

19.81

78.58

2.37

13.21

266.61

3.04

137.37

2.05

40.58

1.71

10.80

0.625

10

17.17

13.5

0.353

166.87

3.12

24.24

94.65

2.35

16.12

333.63

3.12

172.48

2.13

49.10

1.69

13.12

0.622

11/7

110

70

6

10.64

8.35

0.354

133.37

3.54

17.85

42.92

2.01

7.90

265.78

3.53

69.08

1.57

25.36

1.54

6.53

0.403

7

12.30

9.66

0.354

153.00

3.53

20.60

49.01

2.00

9.09

310.07

3.57

80.82

1.61

28.95

1.53

7.50

0.402

8

13.94

10.9

0.353

172.04

3.51

23.30

54.87

1.98

10.25

354.39

3.62

92.70

1.65

32.45

1.53

8.45

0.401

10

17.17

13.5

0.353

208.39

3.48

28.54

65.88

1.96

12.48

443.13

3.70

116.83

1.72

39.20

1.51

10.29

0.397

12.5/8

125

80

7

11

14.10

11.1

0.403

227.98

4.02

26.86

74.42

2.30

12.01

454.99

4.01

120.32

1.80

43.81

1.76

9.92

0.408

8

15.99

12.6

0.403

256.77

4.01

30.41

83.49

2.28

13.56

519.99

4.06

137.85

1.84

49.15

1.75

11.18

0.407

10

19.71

15.5

0.402

312.04

3.98

37.33

100.67

2.26

16.56

650.09

4.14

173.40

1.92

59.45

1.74

13.64

0.404

12

23.35

18.3

0.402

364.41

3.95

44.01

116.67

2.24

19.43

780.39

4.22

209.67

2.00

69.35

1.72

16.01

0.400

14/9

140

90

8

12

18.04

14.2

0.453

365.64

4.50

38.48

120.69

2.59

17.34

730.53

4.50

195.79

2.04

70.83

1.98

14.31

0.411

10

22.26

17.5

0.452

445.50

4.47

47.31

140.03

2.56

21.22

913.20

4.58

245.92

2.12

85.82

1.96

17.48

0.409

12

26.40

20.7

0.451

521.59

4.44

55.87

169.79

2.54

24.95

1096.09

4.66

296.89

2.19

100.21

1.95

20.54

0.406

14

30.46

23.9

0.451

594.10

4.42

64.18

192.10

2.51

28.54

1279.26

4.74

348.82

2.27

114.13

1.94

23.52

0.403

15/9

150

90

8

18.84

14.8

0.473

442.05

4.84

43.86

122.80

2.55

17.47

898.35

4.92

195.96

1.97

74.14

1.98

14.48

0.364

10

23.26

18.3

0.472

539.24

4.81

53.97

148.62

2.53

21.38

1122.85

5.01

246.26

2.05

89.86

1.97

17.69

0.362

12

27.60

21.7

0.471

632.08

4.79

63.79

172.85

2.50

25.14

1347.50

5.09

297.46

2.12

104.95

1.95

20.80

0.359

14

31.86

25.0

0.471

720.77

4.76

73.33

195.62

2.48

28.77

1572.38

5.17

349.74

2.20

119.53

1.94

23.84

0.356

15

33.95

26.7

0.471

763.62

4.74

77.99

206.50

2.47

30.53

1684.93

5.21

376.33

2.24

126.67

1.93

25.33

0.354

16

36.03

28.3

0.470

805.51

4.73

82.60