NB (mm)
W/T
Hardness.kPa
2
4
8
S25
S20
S16.7
110 125 160 200 250 315 400 500 630
-- 3.2 3.2 3.9 4.9 6.2 7.8 9.8 12.3
3.2 3.2 4.0 4.9 6.2 7.7 9.8 12.3 15.4
3.2 3.7 4.7 5.9 7.3 9.2 11.7 14.6 18.4
