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 771~363 σb/MPa
Yield Strength 914 σ 0.2 ≥/MPa
Elongation 98 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 661~562 -
HRC 30 -

Physical Properties

Thermal expansion 70-67 e-6/K
Thermal conductivity 04-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0297-6750 째C
Density 9820-5161 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