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X50CrSi8-2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X50CrSi8-2

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ISO X50CrSi8-2

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This page is mainly introduced the X50CrSi8-2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X50CrSi8-2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Steel Garde:X50CrSi8-2
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 683-15 (1992)	Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Metallographic Structure:Martensite
Application:Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.45	0.55
Si	1.00	2.00
Mn		0.60
P		0.030
S		0.030
Cr	7.50	9.50
Mo
Ni		0.60

Mechanical Properties

Tensile strength	644～324	σb/MPa
Yield Strength	035	σ 0.2 ≥/MPa
Elongation	49	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	363～274	-
HRC	30	-

Physical Properties

Thermal expansion	17-24	e-6/K
Thermal conductivity	44-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5351-7536	째C
Density	6313-1750	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)
X50CrSi8-2 Stainless 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