型號

尺寸(mm)

理論重量

(kg/m)

型號

尺寸(mm)

理論重量

(kg/m)

b

d

b

d

2

20

3

0.889

8

80

5

6.211

4

1.145

6

7.376

2.5

25

3

1.124

7

8.525

4

1.459

8

9.658

3

30

3

1.373

10

11.874

4

1.786

9

90

6

8.350

3.6

36

3

1.656

7

9.656

4

2.163

8

10.946

5

2.654

10

13.476

4

40

3

1.852

12

15.940

4

2.422

10

100

6

9.366

5

2.976

7

10.830

4.5

45

3

2.088

8

12.276

4

2.736

10

15.120

5

3.369

12

17.898

6

3.985

14

20.611

5

50

3

2.332

16

23.257

4

3.059

11

110

7

11.928

5

3.770

8

13.532

6

4.465

10

16.690

5.6

56

3

2.624

12

19.782

4

3.446

14

22.809

5

4.251

12.5

125

8

15.504

8

6.568

10

19.133

6.3

63

4

3.907

12

22.696

5

4.822

14

26.193

6

5.721

14

140

10

21.488

8

7.469

12

25.522

10

9.151

14

29.490

7

70

4

4.372

16

33.393

5

5.397

16

160

10

24.729

6

6.406

12

29.391

7

7.398

14

33.987

8

8.373

16

38.518

7.5

75

5

5.818

18

180

12

33.159

6

6.905

14

38.383

7

7.976

16

43.542

8

9.030

18

48.634

10

11.089

20

200

14

42.894

16

48.680

18

54.401

20

60.056

24

71.168