05X21H12Γ2БPЩ Stainless Steels

05X21H12Γ2БPЩ - Specification & Application

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

Chemical composition(wt.%) of 05X21H12Γ2БPЩ grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.05
Si 0.20 0.80
Mn 2.00 2.80
P - 0.035
S - 0.020
Cr 20.00 22.00
Ni 12.00 13.00
Mo - 0.30
Zr 0.51 0.80
V 0.25 0.50
Al 0.20 0.65
Nb - 0.20

05X21H12Γ2БPЩ - Detail

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

Mechanical properties of grade 05X21H12Γ2БPЩ

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)
548 (≥) 166 (≥) 33 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical properties of grade 05X21H12Γ2БPЩ

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
588 (≥) 284 (≥) 13 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
172 755 886

Equivalent Grade

Equivalent Products

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