1.2631 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2631

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DIN 1.2631

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This page is mainly introduced the 1.2631 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2631,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed CrMoW steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45  0.55
Si 0.80  1.00
Mn 0.40  0.60
P   0.035
S   0.035
Cr 8.00  9.00
Mo 1.10  1.30
V  
W 1.10  1.30

Mechanical Properties

Tensile strength 240~932 σb/MPa
Yield Strength 874 σ 0.2 ≥/MPa
Elongation 71 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 229~781 -
HRC 30 -

Physical Properties

Thermal expansion 82-57 e-6/K
Thermal conductivity 90-22 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3877-6962 째C
Density 4267-9412 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)
1.2631 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

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