TGK SPECIAL STEEL PVT. LTD. - HANDBOOK

The Name You Can Trust www.tgkssl.com - 102 - 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 (TGP80) Thermal treatment Softening annealing Quenching Tempering Heating to 760ºC for heat insulation and cooling to 600ºC at 40ºC/h Delivery under pre-hardening state, no heat treatment, temperature of nitridation treatment: 520ºC Tempering temperature and hardness relation curve Temperature/ºC CCT curve Hardness ( H B ) PLASTIC MOULDS