1.2312/AISI P20+S Plastic Mould Steel
Equivalent grades: DIN 1.2312/ 40CrMnMoS8-6, AISI P20+S
Chemical composition: (%)
C |
Si |
Mn |
Cr |
Mo |
P |
S |
0.35-0.45 |
0.30-0.50 |
1.40-1.60 |
1.80-2.00 |
0.15-0.25 |
0.03max |
0.05-1.10 |
Available sizes: Round dia 16mm to 600mm; flat 16 - 400mm x 200 – 800mm
Manufacture: EF/ESR, hot forged/ hot rolled
Surface condition: black/grinded/rough turned/milled
Delivery condition: annealed/quenched and tempered
Hardness: annealed, 235HBS max/ after Q+T, hardness 28-35HRC
Characteristics: with additional sulphur, usually supplied in a quenched and tempered condition. Polishable, better machinability compared to 1.2311.
Applications: plastic moulds, frames for plastic pressure dies, hydroforming tools
(All technical information is for reference only)