transverse section of an
unhardened chain link |
transverse section of a chain
link of quality type KU 400E9
(carburizing depth E9 = 0.09 x d) |
longitudinal grinding of an
unhardened chain link |
longitudinal grinding of a chain
link of quality type KU 350E14
(carburizing depth E14 = 0.14 x d) |