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X45CrSi9-3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X45CrSi9-3

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AFNOR X45CrSi9-3

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This page is mainly introduced the X45CrSi9-3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X45CrSi9-3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Valve steels and alloys for internal combustion engines

Steel Garde:X45CrSi9-3
Type:Stainless Steels
Country:France
Standard:AFNOR
Standard Number:

ITEM Standard Number Descriptions

1 NF EN 10090 Valve steels and alloys for internal combustion engines
Application:Valve steels and alloys for internal combustion engines

ITEM	Standard Number	Descriptions
1	NF EN 10090	Valve steels and alloys for internal combustion engines

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
1.4718	AFNOR	France
X45CrSi9-3	ISO	International

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.40	0.50
Si	2.70	3.30
Mn		0.60
P		0.040
S		0.030
Cr	8.00	10.00
Ni		0.50
Mo

Mechanical Properties

Tensile strength	216～431	σb/MPa
Yield Strength	628	σ 0.2 ≥/MPa
Elongation	76	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	840～902	-
HRC	30	-

Physical Properties

Thermal expansion	74-79	e-6/K
Thermal conductivity	52-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3272-7843	째C
Density	7079-4826	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)
X45CrSi9-3 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