a

b

5

6

8

Masa liniară
Weight per meter

mm

kg / m

18

-

0.848

1.13

20

0.785

0.942

-

25

0.981

1.178

1.57

28

1.099

1.319

1.758

30

1.18

-

1.88

b

Abateri limită
Tolerances

h 11

h 12

mm

5

0
-0.075

0
-0.12

6

8

0
-0.09

0
-0.15