Steel model name: dh31-s
Material classification: hot as die steel
Hardness (HTC) : 22
Life: more than 500,000 times
Use environment: dry, room temperature, avoid sun and rain.
Advantages: the hardenability and anti-thermal fatigue cracking are excellent.Good thermal resistance, used in medium - sized aluminum alloy, magnesium alloy die casting mould and long - term plastic hard mould.