... wear resistance 2,obdurability 3,Fatigue fracture performance Specifications: Mould have high production, good quality, low cost, save ... machinability, hardenability, and can be grinding of it; mould should also have a small oxidation, decarbonization sensitivity and ... a low propensity.2,Annealing technology: spheroidization annealing temperature range, low hardness and the fluctations in annealed ...