LJ300 Plastic Mould Steel

LJ300Plastic Mould Steel

The LJ300plastic mould steel, a 2738HH modified product, is the top level steel in P20series. It offers good polishability,machinability, toughness,enhanced thermal conductivity and improved weldablity. In addition, it is nitridable, hardenableand temperable, providinguniform hardness across the cross section. The product is also suitable forchrome plating and pitting. These great characteristics, coupled with acompetitive price, make the steel a preferred choice for users.

Alloying %
C 0.20÷0.30
Cr 1.20÷1.60
Si 0.10÷0.50
Mo 0.40÷0.80
Mn 1.20÷1.60
Ni 0.90÷1.30
Special elements are added.

The LJ300 plastic mouldsteel is used in many applications. With a maximum thickness of 1200 mm, it can be used as die steel for mouldswhose thickness is over 400 mm.The product can also be used for moulds of TV housings, rear walls, dashboards,large outside body parts, and copier housings.