... kitchen utensils, electronic equipment, mechanical engineering pump and valve components cutlery and blades. Cutlery, surgical and dental instruments ... , springs, molds for plastics, pump shafts, valve parts, hand tools, pipe flanges and fittings. RELATED SPECIFICATIONS ... is uniform throughout the section.-Soak as required. Cool in furnace.HardeningHeat to 950 °C - 1020 °C and hold ...