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ISO NiCr22Mo9Nb Application:ISO standard heat-resisting alloy
Category Type Steel grade Standard Country
Grades Special Alloy ISO NiCr22Mo9Nb ISO ISO

Chemical composition % of the ladle analysis of grade ISO NiCr22Mo9Nb

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Co(%) Al(%) Ti(%) Other(%)
Max 0.10 Max 0.50 Max 0.50 Max 0.015 Max 0.015 20.0-23.0 Min 58.0 8.0-10.0 Max 1.0 Max 0.40 Max 0.40 Nb+Ta 3.15-4.15; Fe: Max 5.0
ISO standard heat-resisting alloy
Mechanical properties of grade ISO NiCr22Mo9Nb
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)
887 (≥) 767 (≥) 21 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Physical properties of grade ISO NiCr22Mo9Nb
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
534 (≥) 426 (≥) 43 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 224
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
753 683 434
ISO NiCr22Mo9Nb 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
NiCr22Mo9Nb ISO ISO
Heat resisting steels and nickel alloys
2.4856 ISO ISO
Heat resisting steels and nickel alloys
NiCr22Mo9Nb ISO ISO
Nickel and nickel alloy forgings

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