... blade 1.material:60Si2Mn/28MnSiB 2.process:forged/tempered 3.HRC:44-48 HRC 4.working hrs:200-250 hrs Spare parts tiller ... , Italy, Japan, Europe, USA, India, Middle East, Australia, etc.1)Material: spring steel, 65Mn, 60Si2Mn (Sup6), 28SiMnB2)Process: forged3)Heat treatment ... accurate offers. Surely we can product as per your requirements. Spare parts tiller blade for Mahindra tractor models