Grades | Stainless Steels | 20X12H12Γ6

GOST 20X12H12Γ6

PDF | Word | Print

20X12H12Γ6 Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%) of the 20X12H12Γ6
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.15 0.25
Si - 0.50
Mn 6.00 7.00
P - 0.035
S - 0.030
Cr 10.00 12.00
Ni 10.00 13.00
Mo - -
W 1.60 2.20
V 0.40 0.70

Mechanical properties of grade 20X12H12Γ6

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
698 (≥) 244 (≥) 31 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade 20X12H12Γ6

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
677 (≥) 913 (≥) 43 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
422 345 873 - - -

20X12H12Γ6 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