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1.2312 mod. Steel
Steel name: 1.2312 mod.
Diagram No.: 423
DIN designation: 40CrMnNiMo8-6-4
Mat.No. (Wr.Nr.) designation: 1.2312 mod.
AISI/SAE designation: P20 mod.
Chemical composition in weight %: 0.35 - 0.45% C, 0.30 - 0.50% Si, 1.40 - 1.60% Mn, < 0.030% P, 0.050 - 1.100% S, 1.80 - 2.00% Cr, 0.15 - 0.25% Mo
Steel group: Rehardened plastic mould steel
Properties: Steel is a prehardened CrMnMoS-alloyed tool steel for the construction of plastic molds with lower surface requirements referring to e.g. polishability and photoetchability.
Applications: No data
Reference: Not shown in this demo version.
Heat Treatment
Hardening: 840-860oC/oil
Tempering: See the diagram
Diagram note: Specimen size: dia 35 mm x 50 mm, hardened at 850oC/oil, tempering time: 1h, air cooling
Tempering Diagram
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Disclaimer: The material data is a central depository of information based on global actual tests and calculated software data that is available to the public for a fee. The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.