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GOST 12X25H16Γ7AP Details

12X25H16Γ7AP Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Category Type Grade Microstructure Designations
Grades Stainless Steels 12X25H16Γ7AP Austenite Russia - GOST ,

Chemical composition(wt.%) of 12X25H16Γ7AP 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 - 0.30
W - 0.20
Ti - 0.20
N 0.30 0.45
B - 0.010
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Mechanical properties of grade 12X25H16Γ7AP

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)
394 (≥) 768 (≥) 44 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade 12X25H16Γ7AP

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
758 (≥) 777 (≥) 14 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
742 764 942

12X25H16Γ7AP - 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 GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
12X25H16Γ7AP(ЭИ835) GOST Russia
Russia GOCT standard deformation of high temperature alloy grades and chemical composition

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