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1.4718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4718

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AFNOR 1.4718

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This page is mainly introduced the 1.4718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4718,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:1.4718
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
X45CrSi9-3	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	577～519	σb/MPa
Yield Strength	825	σ 0.2 ≥/MPa
Elongation	28	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	542～715	-
HRC	30	-

Physical Properties

Thermal expansion	86-18	e-6/K
Thermal conductivity	87-28	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0141-4702	째C
Density	9427-1027	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)
1.4718 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