Specifications

P21 Plastic mould steel
1. UT test grade: SEP 1921-84 Class C/c
2. Payment terms:TT/LC at sight
3. M.O.Q.: 20 tons

P21 Plastic mould steel

 

1.Main application

   for high precion mirror-polishing plastic mould

   high visual quality household appliances plastic mould

2.Delivery condition

   Conventional or ESR,hot rolling or forging,black surface or milling

   Hardness:37-43HRC

   Width:305-1000mm         Thickness:20-250mm

3.General

   Low-alloy precipitated hardened steel,good mechanical property after heat treatment,good through hardenability,heat treatment procedure is simple and low distortion,mirror polishing,good nitriding,electromaching,welding and pattern etching abilities.

4.Chmical analysis

C%	Mn%	Si%	Cr%	Mo%	P%	S%
0.28-0.4	0.60-1.00	0.20-0.80	1.40-2.00	0.30-0.55	≤0.03	≤0.03

 

5.Delivery

   Acc.to your request-Standard steel bar(sawing)

                                 -non-standard steelbar(sawing)

   or Milling deliver condition,without sawing or cutting

6.Compared grades(based on usage)

Chinese	Japanese
GB	JIS
10Ni3MnCuAL	NAK80