گریڈ 100 چین

کم سے کم

a

زیادہ سے زیادہ

b

6*18

7.5

21

0.79

1.1/1.37

27/33.75

45.2/56.5

7*21

9

24.5

1.07

1.5

37

61.6

8X24

10

28

1.38/1.52

2/2.5

48/60

80.4/100.5

10X30

12.5

35

2.2/2.4

3.2/4

76/95

125/156

11*43

12.6

36.5

2.33

3.8

92

154

12X36

15

42

3.1

4.6

1.9

181

13X39

16.3

46

3.8/4.07

5/6.25

128/160

214/267

14X42

18

49

4.13

6.3

150

250

14X50

17

48

4

6.3

150

250

16X48

20

56

5.63/6.04

8/10

192/240

320/400

18X54

23

63

6.85

10

246

410

19X57

23.7

63.2

7.7/8

11.3/14

270/337

450/562.5

20X60

25

70

8.6/9.3

12.5/15.6

300/375

500/625