Dimensions, mm

Length, m

Steel mark

Interior diameter x thickness 

Exterior diameter

15 x 2.8

21.3

6

20 x 2.8

26.9

6

25 x 3.0

33.7

6

25 x 3.2

33.7

6

32 x 3.0

42.4

6

50 x 3.5

60.3

6