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GOST 15X18H12C4TЮ Details

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

GOST 15X18H12C4TЮ Standard Download

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15X18H12C4TЮ Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
Category Type Grade Microstructure Designations
Grades Stainless Steels 15X18H12C4TЮ Austenitic-Ferritic(Duplex steel) Russia - GOST ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.12 0.17
Si 3.80 4.50
Mn 0.50 1.00
P - 0.035
S - 0.030
Cr 17.00 19.00
Ni 11.00 13.00
Mo - 0.30
W - 0.20
Ti 0.40 0.70
Al 0.13 0.35
Mechanical properties of grade 15X18H12C4TЮ
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)
291 (≥) 983 (≥) 11 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Physical properties of grade 15X18H12C4TЮ
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
467 (≥) 934 (≥) 23 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
646 153 748
15X18H12C4TЮ 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
15X18H12C4TЮ GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition