矩形钢管理论重量计算方法：（边长+边长）×2×壁厚×0.00785×长度产品执行标准：GB/T3094-2000 (国标) 冷压异型钢管 GB/T6728-2002 (国标) 结构用冷弯空心型钢 ASTM A500 (美标)结构用碳素钢冷成型圆截面和异形截面焊接钢管和无缝钢管 EN10219-1-2006(欧标) 非合金及细晶粒的冷成型焊接空心结构型材 JIS G 3466 (日标) 一般构造用角型钢管产品材质：Q235、Q345（16Mn）、20#、合金钢、不锈钢。

产品部分参数     （GB/T3094-2000）

边长/mm

壁厚/mm

截面面积/cm2

理论重量/kg/M

惯性矩/cm4

截面模数/cm3

40

3.5

4.90

3.85

11.16

5.58

4

5.49

4.56

14.37

6.84

5

6.98

5.48

16.56

7.87

6

7.55

5.93

15.34

7.67

50

4

7.09

5.56

25.56

10.22

5

8.58

6.73

29.81

11.93

6

9.95

7.81

33.35

13.34

7

11.21

8.80

36.23

14.49

8

12.35

9.70

38.51

15.41

60

5

10.58

8.30

54.57

18.19

6

13.35

9.69

61.82

20.61

7

14.01

11.00

68.03

22.68

8

15.55

12.21

73.28

24.43

70

5

12.58

9.87

90.26

25.79

6

14.7

11.58

103.1

29.47

7

16.81

13.19

114.5

32.72

8

18.75

14.72

124.5

35.57

80

5

14.58

11.44

138.9

34.72

6

17.15

13.46

159.7

39.93

7

19.61

15.39

178.5

44.63

8

21.95

17.23

195.4

48.85

92

5

16.98

13.33

217.1

47.19

6

20.03

15.72

251.1

54.59

7

22.97

18.03

282.3

61.38

8

25.79

20.25

310.9

67.58

100

5

18.58

14.58

282.8

56.57

6

21.95

17.23

328.2

65.54

7

25.21

19.79

370.2

74.04

8

28.35

22.36

408.9

81.78

108

5

19.96

15.67

346.99

72.14

6

23.55

18.49

400.07

85.13

7

27.02

21.21

448.15

97.61

8

30.35

23.82

491.42

109.56

10

36.62

28.75

564.27

131.84

12

42.37

33.26

620.05

151.91

12.5

43.73

34.33

631.48

156.57

14

47.59

37.36

660.12

169.71

16.5

53.38

41.90

690.13

188.75

18

56.46

44.32

698.50

198.48

110

7

28.01

21.99

503.4

91.54

8

31.55

24.77

557.9

101.4

9

34.98

27.46

608.4

110.6

10

37.42

29.37

600.90

137.26

12

43.33

34.01

661.57

158.30

14

48.71

38.24

705.79

177.05

16

53.57

42.05

734.96

193.47

18

57.90

45.45

750.37

207.58

120

5

22.36

17.55

485.47

89.79

6

26.43

20.75

562.16

106.17

7

30.38

23.85

632.54

121.99

8

34.19

26.84

696.82

137.23

10

41.42

32.15

807.91

165.94

12

48.13

37.78

987.05

192.03

14

54.31

42.63

9665.79

216.23

16

59.97

47.08

1015.66

237.3

150

6

33.63

26.40

1145.91

168.85

7

38.78

30.44

1299.44

194.70

8

43.79

34.38

1443.00

219.85

10

53.42

41.93

1701.21

268.02

12

62.53

49.09

1922.61

313.26

14

71.11

55.82

2109.19

355.49

16

79.17

62.15

2262.95

394.63

180

16

98.37

77.22

4252.42

590.55

18

108.3

85.02

4541.3

648.77

200

8

59.79

46.94

3621

400.25

10

73.42

58.63

4337.63

491.53

12

86.53

67.93

4983.59

579.08

14

99.11

77.8

5562.26

662.78

16

111.17

87.27

6076.38

742.55

18

122.7

96.32

6528.64

818.29

250

10

93.42

73.33

8841.87

781.73

12

110.53

86.77

10254.22

924.94

14

127.11

99.78

11556.24

1063.51

16

143.17

112.39

12751.41

1197.31

18

158.7

124.58

13843.17

1326.27

280

10

105.42

82.75

12648.95

987.86

12

124.93

98.07

14726.82

1170.88

14

143.91

112.97

16663.46

1348.77

16

162.37

127.46

18462.79

1521.42

18

180.3

141.54

20128.71

1688.73