1.2312 Steel

1.2312 Steel

Steel name: 1.2312
Diagram No.: 2220
Mat.No. (Wr.Nr.) designation: 1.2312
DIN designation: 40CrMnMoS86
AISI/SAE designation: P20 + S
Chemical composition in weight %: 0.40% C, 0.40% Si, 1.50% Mn, 0.06% S, 1.90% Cr, 0.20% Mo
Steel group: Plastic mould steels
Properties: Alloyed and pre-toughened tool steel, with excellent machinability in the hardened condition because of the Sulphur additive; high dimensional stability.
Applications: Plates for mould tools and dies with increased requirements on strength; high-tensile machine parts.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 840 to 860 °C. Cooling: to 180 °C/220 °C in oil/hot bath.
Tempering: Slow heating to tempering temperature immediately after hardening; minimum time in furnace: 1 hour per 25 mm part thickness.
Diagram note: No data

Tempering Diagram

Price: 20.00 US $
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Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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