25X20H9B2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25X20H9B2M

GOST 25X20H9B2M

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This page is mainly introduced the 25X20H9B2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25X20H9B2M,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:25X20H9B2M
  • 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 0.23  0.30
Si 1.00  1.60
Mn 1.00  1.60
P   0.030
S   0.030
Cr 19.00  21.00
Ni 8.00  10.00
Mo   0.30

Mechanical Properties

Tensile strength 887~084 σb/MPa
Yield Strength 229 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 886~775 -
HRC 30 -

Physical Properties

Thermal expansion 88-57 e-6/K
Thermal conductivity 94-46 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4771-0839 째C
Density 9921-3509 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)
25X20H9B2M 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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