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GOST 12X25H16Γ7AP(ЭИ835) Details

12X25H16Γ7AP(ЭИ835) Application:Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Category Type Grade Designations
Grades Stainless Steels 12X25H16Γ7AP(ЭИ835) Russia - GOST ,

Chemical composition(wt.%) of 12X25H16Γ7AP(ЭИ835) grade:

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
Ni 15.00 18.00
Mo - -
Al - -
Ti - -
Fe - remaining
N 0.30 0.45
B - 0.01
Cu - 0.20
Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Mechanical properties of grade 12X25H16Γ7AP(ЭИ835)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
478 (≥) 357 (≥) 34 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade 12X25H16Γ7AP(ЭИ835)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
541 (≥) 672 (≥) 12 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
524 591 393

12X25H16Γ7AP(ЭИ835) - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
12X25H16Γ7AP(ЭИ835) GOST Russia
Russia GOCT standard deformation of high temperature alloy grades and chemical composition

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