2738H Plastic Mould Steel
https://en.sh-jiebao.com/index.php?m=home&c=Lists&a=index&tid=2
It is a steel characterized by excellent hardening penetration, good processability, polishability and suitability for photo, this steel is used in the wide field of plastic molds, especially for large arrays with low carbon content, it has greater sealability in comparison to 1.2738.
