UNS N06230 (2.4733, NiCr22W14Mo) Nickel Alloy
Nickel Alloys
Property Overview
Density9.5g/cm³
Elastic Modulus210GPa
Tensile Strength620MPa
Yield Strength350MPa
Brinell HardnessUnknown
Maximum Service Temperature990°C
Chemical Composition
C
0.050 to 0.15%
CR
20 to 24%
NI
47.5 to 65.2%
MO
1.0 to 3.0%
MN
0.3 to 1.0%
SI
0.25 to 0.75%
P
0 to 0.030%
S
0 to 0.015%
AL
0.2 to 0.5%
CO
0 to 5.0%
W
13 to 15%
B
0 to 0.015%
LA
0.0050 to 0.050%
FE
0 to 3.0%
Mechanical
A - Min. elongation at fracture (%) (5d)
18
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
38 to 48 %
Fatigue Strength
250 to 360 MPa
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa)
350
Rm - Tensile strength (MPa)
620
Shear Modulus
83 GPa
Shear Strength
420 to 600 MPa
Tensile Strength: Ultimate (UTS)
620 to 840 MPa
Tensile Strength: Yield (Proof)
330 to 400 MPa
Physical
Density
9.5 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Mechanical
990 °C
Melting Completion (Liquidus)
1370 °C
Melting Onset (Solidus)
1300 °C
Specific Heat Capacity
420 J/kg-K
Thermal Conductivity
8.9 W/m-K
Thermal Diffusivity
2.3 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
17 to 23 points
Electrical
Electrical Conductivity: Equal Volume
1.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.3 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
200 to 330 MJ/m 3
Resilience: Unit (Modulus of Resilience)
250 to 380 kJ/m 3
Stiffness to Weight: Axial
12 points
Stiffness to Weight: Bending
21 points
Strength to Weight: Axial
18 to 25 points
Strength to Weight: Bending
17 to 21 points
Environmental
Base Metal Price
85 % relative
Embodied Carbon
11 kg CO 2 /kg material
Embodied Energy
160 MJ/kg
Embodied Energy
160 MJ/kg 71 x 10 3 BTU/lb
Embodied Water
290 L/kg
Embodied Water
290 L/kg 34 gal/lb
Registered Designations & Aliases
2.4733N06230Ni6231NiCr22W14MoNiCr22W14MoUNS N06230 (2.4733, NiCr22W14Mo) Nickel Alloy
Standards
EN
ASTM B622 ASTM B622: Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube
ASTM B626 ASTM B626: Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube
ASTM B626 ASTM B626: Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube ASTM B622: Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009 Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998
ISO 14172 ISO 14172: 2008 Welding consumables. Covered electrodes for manual metal arc welding of nickel and nickel alloys. Classification