This standard specifies the dimensional specifications and tolerances of templates for die-casting dies. This section applies to the set plates, seat plates and support plates used in die-casting molds. This part also gives material guidelines and hardness requirements, and specifies the marking of templates.
GB/T 4678.1-2003 history
2017GB/T 4678.1-2017 Diecasting dies—Components—Part 1: Die plates
2003GB/T 4678.1-2003 Die-casting die components--Part 1: Mould plate