1.4871 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4871

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AFNOR 1.4871

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This page is mainly introduced the 1.4871 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4871,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:1.4871
  • 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
X53CrMnNiN21-9 AFNOR France
X53CrMnNiN21-9 ISO International

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.48  0.58
Si   0.25
Mn 8.00  10.00
P   0.045
S   0.030
Cr 20.00  22.00
Ni 3.25  4.50
Mo  
N 0.35  0.50

Mechanical Properties

Tensile strength 005~074 σb/MPa
Yield Strength 562 σ 0.2 ≥/MPa
Elongation 73 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 213~159 -
HRC 30 -

Physical Properties

Thermal expansion 52-07 e-6/K
Thermal conductivity 55-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7183-7751 째C
Density 3069-1912 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)
1.4871 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