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GOST 20X25H20C2 Details

Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

GOST 20X25H20C2 Standard Download

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20X25H20C2 Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
Category Type Grade Microstructure Designations
Grades Stainless Steels 20X25H20C2 Austenite Russia - GOST ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si 2.00 3.00
Mn - 1.50
P - 0.035
S - 0.020
Cr 24.00 27.00
Ni 18.00 21.00
Mo - 0.30
W - 0.20
Ti - 0.20
Mechanical properties of grade 20X25H20C2
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)
991 (≥) 577 (≥) 12 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Physical properties of grade 20X25H20C2
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
738 (≥) 536 (≥) 12 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
348 917 631
20X25H20C2 Range of products
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
20X25H20C2 GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition