40X18H2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40X18H2M

GOST 40X18H2M

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This page is mainly introduced the 40X18H2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40X18H2M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
  • Steel Garde:40X18H2M
  • Type:Stainless Steels
  • Country:Russia
  • Standard:GOST
  • Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35  0.45
Si   0.50
Mn 0.60  1.00
P 0.08  0.15
S 0.15  0.25
Cr 16.50  18.50
Ni 1.70  2.20
Mo 0.25  0.40

Mechanical Properties

Tensile strength 654~665 σb/MPa
Yield Strength 733 σ 0.2 ≥/MPa
Elongation 41 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 962~306 -
HRC 30 -

Physical Properties

Thermal expansion 40-22 e-6/K
Thermal conductivity 65-08 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4759-1457 째C
Density 2141-0993 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)
40X18H2M 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

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