1.4748 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4748

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AFNOR 1.4748

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This page is mainly introduced the 1.4748 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4748,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:1.4748
  • 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
X85CrMoV18-2 AFNOR France
X85CrMoV18-2 ISO International

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.80  0.90
Si   1.50
Mn   1.50
P   0.040
S   0.030
Cr 16.50  18.50
Ni  
Mo 2.00  2.50
V 0.30  0.60

Mechanical Properties

Tensile strength 409~510 σb/MPa
Yield Strength 752 σ 0.2 ≥/MPa
Elongation 78 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 364~283 -
HRC 30 -

Physical Properties

Thermal expansion 16-31 e-6/K
Thermal conductivity 96-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8666-7600 째C
Density 8105-7476 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)
1.4748 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