ЭИ835 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ЭИ835

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GOST ЭИ835

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This page is mainly introduced the ЭИ835 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ЭИ835,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Cross Reference Table(Equivalent Materials):

Material Standard Country
12X25H16Γ7AP(ЭИ835) GOST Russia

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.12
Si   1.00
Mn 5.00  7.00
P   0.035
S   0.020
Cr 23.00  26.00
Mo  
Ni 15.00  18.00
N 0.30  0.45
B   0.010

Mechanical Properties

Tensile strength 906~380 σb/MPa
Yield Strength 469 σ 0.2 ≥/MPa
Elongation 79 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 091~579 -
HRC 30 -

Physical Properties

Thermal expansion 16-15 e-6/K
Thermal conductivity 21-57 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8879-0306 째C
Density 8724-0610 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)
ЭИ835 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