22-11-2.5 Stainless Steels

22-11-2.5 - Specification & Application

Russia TY standard grades and chemical compositions of the high temperature alloy castings

Chemical composition(wt.%) of 22-11-2.5 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.10 0.25
Cr 20.00 23.00
Al - -
Mo - -
Ti - 0.20
Co - -
W 2.40 3.00
Ni 10.50 12.50
Nb - -
Fe - -
B - -
Ce - -
V - -
Zr - -
Mn 0.60 1.20
Si 0.60 1.50
S - 0.025
P - 0.025

22-11-2.5 - Detail

Russia TY standard grades and chemical compositions of the high temperature alloy castings

Mechanical properties of grade 22-11-2.5

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)
137 (≥) 333 (≥) 12 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical properties of grade 22-11-2.5

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
876 (≥) 391 (≥) 22 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
159 843 717
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