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GOST Х25Н16Г7АР Details

Х25Н16Г7АР Application:Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Category Type Grade Microstructure Designations
Grades Stainless Steels Х25Н16Г7АР Austenite Russia - GOST ,

Chemical composition(wt.%) of Х25Н16Г7АР 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
Mo - -
Ni 15.00 18.00
N 0.30 0.45
B - 0.010
Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Mechanical properties of grade Х25Н16Г7АР

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)
543 (≥) 457 (≥) 32 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade Х25Н16Г7АР

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
251 (≥) 235 (≥) 34 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
196 252 483

Х25Н16Г7АР - 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
Х25Н16Г7АР GOST Russia
Russia GOCT Standard vacuum smelting casting high temperature alloy bar

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