1.2604 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2604

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DIN 1.2604

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This page is mainly introduced the 1.2604 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2604,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed VCrMoW steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.68  0.78
Si 0.20  0.40
Mn 0.40  0.60
P   0.035
S   0.035
Cr 0.40  0.60
Mo 0.25  0.40
V 0.15  0.30
W 0.40  0.70

Mechanical Properties

Tensile strength 754~174 σb/MPa
Yield Strength 924 σ 0.2 ≥/MPa
Elongation 89 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 909~456 -
HRC 30 -

Physical Properties

Thermal expansion 95-77 e-6/K
Thermal conductivity 65-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0952-7683 째C
Density 5582-0951 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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√

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Size Availability

Steel Grade Specification Processing range(mm)
1.2604 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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