250A53 Spring Steel

UK deliveries. Contact our well informed sales team. 250A53 is a silicon mangenese spring steel, supplied in the as rolled contition. 250A53steel is suitable for oil hardening and tempering. 250A53 Forging: Forge at 1150?C. Annealing: Slow furnace cool from 840?/900?C. Hardening: Pre heat 250A53 slowly to 650/700?C and thoroughly soak. Continue heating to the final hardening temperature of 870/930?C and allow the 250A53 component to be heated through. Quench in oil. Tempering: Temper the 250A53 component immediately after quenching whilst tools are still hand warm. Re-heat to the tempering temperature, soak for one hour per 25 millimetre of total thickness, 2 hours minimum, then cool in air. For most applications tempering will be between 400?/550?C.