45# High Carbon Steel, as the high-quality structural steel with low hardness, is easy to cut.

For molds, it is usually used to make templates, mortise pins, guide pillars, etc.

It is also applied to producing axis parts for better machinability, higher strength and toughness, and in the field of abrasive tools repairing. G-High carbon additive GH-CPC-09 is especially good for 45# High Carbon Steel.