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 804~348 σb/MPa
Yield Strength 827 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 451~947 -
HRC 30 -

Physical Properties

Thermal expansion 99-62 e-6/K
Thermal conductivity 34-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5147-0723 째C
Density 5979-8172 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