Tool Steel Flat Bar DIN 1.2311, AISI P20 steel plate round bar mould steel

mould tool steel din 1.2311/aisi P20steel detailed products description:

1)Delivery condition:

Hot rolled&forging,black surface,

Hardened&Tempering,Hardness:29-34HRC.

2)Chemical composition:

3).Specification:

round or plate can be choose.

4).Application:

Used for various large-sized or medium-sized precision plastic mould and low melting point alloy parts,like zinc and Lead alloy casting mould.

Heat treatment

Annealing:

Heat to 720-750°C for 2-4 hours furnace cool.

Hardening:

Preheating to 600-650°C;

- Heat to hardening temperature to 840-870°C and hold at temperature.

- Cooling in oil

Tempering:

To be carried out after hardening in the range 600-680°C