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)