EN 2.4856 (NiCr22Mo9Nb) Nickel Alloy
Superalloys & Heat-Resistant Alloys
Property Overview
Density8.6g/cm³
Elastic Modulus200GPa
Tensile Strength880MPa
Yield Strength430MPa
Brinell Hardness240HB
Maximum Service Temperature1000°C
Chemical Composition
C
0.030 to 0.1%
CR
20 to 23%
NI
58 to 68.8%
MO
8.0 to 10%
MN
0 to 0.5%
SI
0 to 0.5%
P
0 to 0.020%
S
0 to 0.015%
CU
0 to 0.5%
NB
3.2 to 4.2%
TI
0 to 0.4%
AL
0 to 0.4%
CO
0 to 1.0%
FE
0 to 5.0%
Mechanical
A - Min. elongation at fracture (%) (+A)
25-30
+A
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
28 %
Fatigue Strength
280 MPa
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+A)
380-415
+A
Rm - Tensile strength (MPa) (+A)
760-1050
+A
Shear Modulus
79 GPa
Shear Strength
570 MPa
Tensile Strength: Ultimate (UTS)
880 MPa
Tensile Strength: Yield (Proof)
430 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Brinell Hardness
210
Brinell hardness (HB): (+A)
240
+A
Physical
Density
8.6 g/cm 3
Thermal
Latent Heat of Fusion
330 J/g
Maximum Temperature: Mechanical
1000 °C
Melting Completion (Liquidus)
1480 °C
Melting Onset (Solidus)
1430 °C
Specific Heat Capacity
440 J/kg-K
Thermal Conductivity
10 W/m-K
Thermal Diffusivity
2.7 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
29 points
Electrical
Electrical Conductivity: Equal Volume
1.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.4 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
200 MJ/m 3
Resilience: Unit (Modulus of Resilience)
440 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
80 % relative
Embodied Carbon
14 kg CO 2 /kg material
Embodied Energy
190 MJ/kg
Embodied Energy
190 MJ/kg 83 x 10 3 BTU/lb
Embodied Water
290 L/kg
Embodied Water
290 L/kg 35 gal/lb
Registered Designations & Aliases
2.48562.4856EN 2.4856 (NiCr22Mo9Nb) Nickel AlloyNiCr22Mo9NbNiCr22Mo9Nb
Standards
EN 10095 EN 10095: 1999 Heat Resisting Steels and Nickel Alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998