EN 1.4869 (GX50NiCrCoW35-25-15-5) Casting Alloy
EN 1.4869 casting alloy is a nickel alloy formulated for casting. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. 1.4869 is the EN numeric designation for this material. GX50NiCrCoW35-25-15-5 is the EN chemical designation.
The graph bars on the material properties cards below compare EN 1.4869 casting alloy to: cast nickels (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Elastic (Young's, Tensile) Modulus
210 GPa 30 x 106 psi
Elongation at Break
5.7 %
Fatigue Strength
130 MPa 19 x 103 psi
Poisson's Ratio
0.28
Shear Modulus
80 GPa 12 x 106 psi
Tensile Strength: Ultimate (UTS)
540 MPa 78 x 103 psi
Tensile Strength: Yield (Proof)
310 MPa 45 x 103 psi
Thermal Properties
Latent Heat of Fusion
330 J/g
Maximum Temperature: Mechanical
1200 °C 2190 °F
Melting Completion (Liquidus)
1450 °C 2630 °F
Melting Onset (Solidus)
1390 °C 2540 °F
Specific Heat Capacity
460 J/kg-K 0.11 BTU/lb-°F
Thermal Conductivity
10 W/m-K 5.8 BTU/h-ft-°F
Thermal Expansion
13 µm/m-K
Otherwise Unclassified Properties
Base Metal Price
70 % relative
Density
8.5 g/cm3 530 lb/ft3
Embodied Carbon
7.7 kg CO2/kg material
Embodied Energy
110 MJ/kg 47 x 103 BTU/lb
Embodied Water
300 L/kg 36 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
26 MJ/m3
Resilience: Unit (Modulus of Resilience)
230 kJ/m3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
17 points
Thermal Diffusivity
2.6 mm2/s
Thermal Shock Resistance
14 points
Alloy Composition
| Ni | 33 to 37 | |
| Cr | 24 to 26 | |
| Fe | 11.4 to 23.6 | |
| Co | 14 to 16 | |
| W | 4.0 to 6.0 | |
| Si | 1.0 to 2.0 | |
| C | 0.45 to 0.55 | |
| Mn | 0 to 1.0 | |
| P | 0 to 0.040 | |
| S | 0 to 0.030 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
EN 10295: Heat Resistant Steel Castings
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