Ç¥ÁشܸéÄ¡¼ö 

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A×B

t

r₁

r₂

cm²

kg/m

25×25

3

4

2

1.427

1.12

30×30

3

4

2

1.727

1.36

40×40

3

4.5

2

2.336

1.83

40×40

5

4.5

3

3.755

2.95

45×45

4

6.5

3

3.492

2.74

45×45

5

6.5

3

4.302

3.38

50×50

4

6.5

3

3.892

3.06

50×50

5

6.5

3

4.802

3.77

50×50

6

6.5

4.5

5.644

4.43

60×60

4

6.5

3

4.692

3.68

60×60

5

6.5

3

5.802

4.55

65×65

5

8.5

3

6.367

5.00

65×65

6

8.5

4

7.527

5.91

65×65

8

8.5

6

9.761

7.66

70×70

6

8.5

4

8.127

6.38

75×75

6

8.5

4

8.727

6.85

75×75

9

8.5

6

12.69

9.96

75×75

12

8.5

6

16.56

13.0

80×80

6

8.5

4

9.327

7.32

90×90

6

10

5

10.55

8.28

90×90

7

10

5

12.22

9.59

90×90

10

10

7

17.00

13.3

90×90

13

10

7

21.71

17.0

100×100

7

10

5

13.62

10.7

100×100

10

10

7

19.00

14.9

100×100

13

10

7

24.31

19.1

120×120

8

12

5

18.76

14.7

130×130

9

12

6

22.74

17.9

130×130

12

12

8.5

29.76

23.4

130×130

15

12

8.5

36.75

28.8

150×150

12

14

7

34.77

27.3

150×150

15

14

10

42.74

33.6

150×150

19

14

10

53.38

41.9

175×175

12

15

11

40.52

31.8

175×175

15

15

11

50.21

39.4

200×200

15

17

12

57.75

45.3

200×200

20

17

12

76.00

59.7

200×200

25

17

12

93.75

73.6

250×250

25

24

12

119.4

93.7

250×250

35

24

18

162.6

128

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A×B

t

r₁

r₂

cm²

kg/m

90×75

9

8.5

6

14.04

11.0

100×75

7

10

5

11.87

9.32

100×75

10

10

7

16.50

13.0

125×75

7

10

5

13.62

10.7

125×75

10

10

7

19.00

14.9

125×75

13

10

7

24.31

19.1

125×90

10

10

7

20.50

16.1

125×90

13

10

7

26.26

20.6

150×90

9

12

6

20.94

16.4

150×90

12

12

8.5

27.36

21.5

150×100

9

12

6

21.84

17.1

150×100

12

12

8.5

28.56

22.4

150×100

15

12

8.5

35.25

27.7

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A×B

t₁

t₂

r₁

r₂

cm²

kg/m

200×90

9

14

14

7

29.66

23.3

250×90

10

15

17

8.5

37.47

29.4

250×90

12

16

17

8.5

42.95

33.7

300×90

11

16

19

9.5

46.22

36.3

300×90

13

17

19

9.5

52.67

41.3

350×100

12

17

22

11

57.77

45.3

400×100

13

18

24

12

68.59

53.8

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A

t

d

r₁

r₂

cm²

kg/m

180

9.5

23

7

2

21.06

16.5

200

10

26.5

8

2

25.23

19.8

230

11

30

9

2

31.98

25.1

250

12

33

10

2

38.13

29.9

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H×B

t₁

t₂

r₁

r₂

cm²

kg/m

100×75

5

8

7

3.5

16.43

12.9

125×75

5.5

9.5

9

4.5

20.45

16.1

150×75

5.5

9.5

9

4.5

21.83

17.1

150×100

8.5

14

13

6.5

46.15

36.2

180×100

6

10

10

5

30.06

23.6

200×100

7

10

10

5

33.06

26.0

200×150

9

16

15

7.5

64.16

50.4

250×125

7.5

12.5

12

6

48.79

38.3

250×125

10

19

21

10.5

70.73

55.5

300×150

8

13

12

6

61.58

48.3

300×150

10

18.5

19

9.5

83.47

65.5

300×150

11.5

22

23

11.5

97.88

76.8

350×150

9

15

13

6.5

74.58

58.5

350×150

12

24

25

12.5

111.1

87.2

400×150

10

18

17

8.5

91.73

72.0

400×150

12.5

25

27

13.5

122.1

95.8

450×175

11

20

19

9.5

116.8

91.7

450×175

13

26

27

13.5

146.1

115

600×190

13

25

25

12.5

169.4

133

600×190

16

35

38

19

224.5

176