25CrMo4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25CrMo4

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25CrMo4

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This page is mainly introduced the 25CrMo4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25CrMo4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
25CrMo4
  • Steel Garde:25CrMo4
  • Type:Special Alloy
  • Application:Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))

Cross Reference Table(Equivalent Materials):

Material Standard Country
GS-25CrMo4 DIN Germany
25CrMo4 UNE Spain
EN 25CrMo4 EN Euronorm
EN 25CrMo4KD EN Euronorm
EN 25CrMo4 EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 471~610 σb/MPa
Yield Strength 818 σ 0.2 ≥/MPa
Elongation 31 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 654~242 -
HRC 30 -

Physical Properties

Thermal expansion 15-46 e-6/K
Thermal conductivity 17-14 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0723-2258 째C
Density 6437-3585 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)
25CrMo4 Special Alloy 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