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

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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

Steel Garde:Stellite 251
Type:Tool Die Steels
Application:Stellite alloy

Chemical composition(mass fraction)(wt.%)

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

Mechanical Properties

Tensile strength	068～425	σb/MPa
Yield Strength	100	σ 0.2 ≥/MPa
Elongation	34	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	764～179	-
HRC	30	-

Physical Properties

Thermal expansion	74-40	e-6/K
Thermal conductivity	39-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6644-2885	째C
Density	8837-0784	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