11 July, 2025

P20 steel exhibits a range of hardness values depending on its processing, heat treatment, and intended application. So, what is P20 tool steel? P20 steel is a versatile medium-alloy tool steel primarily utilized in the mold-making1 industry, especially for plastic injection molds and die-casting dies for low-melting-point alloys.Its defining characteristic is that it is most […]

The “QT” in 42CrMo4 QT stands for quenching and tempering. 42CrMo4 steel is designated as 1.7225 in the UNS system and is a widely used high-strength alloy steel. The equivalent grades of 42CrMo4 include: 42CrMo4 steel exhibits deep hardenability, excellent comprehensive mechanical properties, and a low level of significant temper brittleness. It is extensively used