Specification
1.Alloy tool steel which offers good machineability.
2.Excellent polished finish.
3.Supplied in the hardened and tempered condition ready for maching.
4.In this condition it gives excellent wear resistance.
Application
1.Plastic mould.
2.Casting dies and injection mould.
3.Shafts.
Chemical composition
Name C Si Mn P S Cr Mo
P20 0.28-0.40 0.20-0.80 0.60-1.00 Â?¤0.030 Â?¤0.030 1.40-2.00 0.30-0.55
Similar grade
Gb Aisi/astm Din Jis
4cr2mnmo P20 1.2311 Pds-3