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 870~679 σb/MPa
Yield Strength 991 σ 0.2 ≥/MPa
Elongation 31 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 943~662 -
HRC 30 -

Physical Properties

Thermal expansion 15-68 e-6/K
Thermal conductivity 00-54 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1542-1264 째C
Density 9267-0436 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