X40CrSiMo10-2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X40CrSiMo10-2

AFNOR X40CrSiMo10-2

Profile

This page is mainly introduced the X40CrSiMo10-2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X40CrSiMo10-2,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:X40CrSiMo10-2
  • 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
1.4731 AFNOR France

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35  0.45
Si 2.00  3.00
Mn   0.80
P   0.040
S   0.030
Cr 9.50  11.50
Ni   0.50
Mo 0.80  1.30

Mechanical Properties

Tensile strength 838~351 σb/MPa
Yield Strength 895 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 313~898 -
HRC 30 -

Physical Properties

Thermal expansion 93-78 e-6/K
Thermal conductivity 43-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3494-0528 째C
Density 9229-7649 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)
X40CrSiMo10-2 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