1.2312 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2312

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DIN 1.2312

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This page is mainly introduced the 1.2312 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2312,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Tool Steels; Technical Conditions of Delivery
  • Steel Garde:1.2312
  • Type:Tool Die Steels
  • Country:Germany
  • Standard:DIN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 DIN 17350 (1980) Tool Steels; Technical Conditions of Delivery
  • Application:Tool Steels; Technical Conditions of Delivery

Cross Reference Table(Equivalent Materials):

Material Standard Country
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN Germany

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35  0.45
Si 0.30  0.50
Mn 1.40  1.60
P   0.030
S 0.05  0.10
Cr 1.80  2.00
Mo 0.15  0.25
V  

Mechanical Properties

Tensile strength 184~063 σb/MPa
Yield Strength 719 σ 0.2 ≥/MPa
Elongation 05 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 284~383 -
HRC 30 -

Physical Properties

Thermal expansion 68-90 e-6/K
Thermal conductivity 82-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1148-2703 째C
Density 5497-4399 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
1.2312 Tool Die Steels Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download