Stellite 251 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Stellite 251

Whole Stellite 251

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This page is mainly introduced the Stellite 251 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Stellite 251,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stellite alloy

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.30
Si  
Mn  
Cr   28.00
Ni  
Mo  
Co remaining 
W  
Fe   18.00
Nb   2.00

Mechanical Properties

Tensile strength 649~591 σb/MPa
Yield Strength 313 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 255~646 -
HRC 30 -

Physical Properties

Thermal expansion 51-07 e-6/K
Thermal conductivity 88-02 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4885-8460 째C
Density 0701-4640 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)
Stellite 251 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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