TGK SPECIAL STEEL PVT. LTD. - HANDBOOK

The Name You Can Trust www.tgkssl.com - 100 - Descriptions and data in the file are typical cases. We will not make guarantee for them. Besides, we reserve the final right to interpret improvement in materials, quality and/or performance. Steel grade (TGP50) Thermal treatment Softening annealing Quenching Tempering Heating to 850ºC for heat insulation; cooling to 650ºC at 10ºC/h for air cooling 1,020~1,030ºC quenching, rapid air cooling Tempering temperature 250ºC(favorable tenacity and corrosion resistance); selecting tempering temperature as per hardness requirements; tempering for twice Tempering temperature and hardness relation curve CCT curve PLASTIC MOULDS