He mea hanga ki te H13 wera mahi mate maitai ranei 38CrMoAl me etahi atu rauemi Ko te maimoatanga wera he nitriding ranei he nitriding he nui te pakeke (HRC56-HRC59), he pai te whakakakahu me te kaha o te whakatuwheratanga o te papa me te tauira poka nga tangata he maha nga tau o te wheako mahi i hangaia me te hanga e te hunga ngaio;