20X12BHMΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20X12BHMΦ

GOST 20X12BHMΦ

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This page is mainly introduced the 20X12BHMΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20X12BHMΦ,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

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.17  0.23
Si   0.60
Mn 0.50  0.90
P   0.030
S   0.025
Cr 10.50  12.50
Ni 0.50  0.90
Mo 0.50  0.70
W   0.20
Ti  
V 0.15  0.30

Mechanical Properties

Tensile strength 103~040 σb/MPa
Yield Strength 843 σ 0.2 ≥/MPa
Elongation 99 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 998~567 -
HRC 30 -

Physical Properties

Thermal expansion 08-74 e-6/K
Thermal conductivity 71-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1083-6332 째C
Density 2053-4250 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)
20X12BHMΦ 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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