Heat treatment industry often use heat-resistant steel castings.Heat treatment related to heat resistant steel castings basic common sense part 6:
6.prescription
Operation method: steel heating to 80 ~ 200 degrees, insulation 5 ~ 20 hours or longer, and then out with furnace cooling in the air.
Objective: 1. The stable after the steel quenching organization, reduce the deformation during storage or use; 2. To reduce internal stress after quenching and grinding, stable shapes and sizes.
Application points: 1. Applies to all after quenching steel; 2. The shape is no longer change is often used for close artifacts, such as screw tightly, measuring tools, lathe bed case, etc.