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Stellite 7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Stellite 7

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This page is mainly introduced the Stellite 7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Stellite 7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stellite alloy

Steel Garde:Stellite 7
Type:Tool Die Steels
Application:Stellite alloy

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.40
Si
Mn
Cr		26.00
Ni
Mo
Co	remaining
W		6.00
Fe

Mechanical Properties

Tensile strength	880～965	σb/MPa
Yield Strength	276	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	099～315	-
HRC	30	-

Physical Properties

Thermal expansion	42-99	e-6/K
Thermal conductivity	42-39	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2838-2858	째C
Density	3533-8410	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 7 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