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

Cross Reference Table(Equivalent Materials):

Material Standard Country
X45CrSi9-3 AFNOR France
X45CrSi9-3 ISO International

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
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 561~960 σb/MPa
Yield Strength 729 σ 0.2 ≥/MPa
Elongation 01 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 814~547 -
HRC 30 -

Physical Properties

Thermal expansion 76-32 e-6/K
Thermal conductivity 76-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1506-5089 째C
Density 2210-1113 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

Technical specification/standard for download