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EN 1.4889 (GX40NiCrNb45-35) Casting Alloy

EN 1.4889 cast nickel is a nickel alloy formulated for casting. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. 1.4889 is the EN numeric designation for this material. GX40NiCrNb45-35 is the EN chemical designation.

It has a moderately low ductility and a moderately high heat capacity among cast nickels.

The graph bars on the material properties cards below compare EN 1.4889 cast nickel 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

200 GPa 29 x 106 psi

Elongation at Break

3.4 %

Fatigue Strength

110 MPa 15 x 103 psi

Poisson's Ratio

0.27

Shear Modulus

79 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

500 MPa 73 x 103 psi

Tensile Strength: Yield (Proof)

270 MPa 39 x 103 psi

Thermal Properties

Latent Heat of Fusion

350 J/g

Maximum Temperature: Mechanical

1160 °C 2120 °F

Melting Completion (Liquidus)

1360 °C 2490 °F

Melting Onset (Solidus)

1320 °C 2400 °F

Specific Heat Capacity

480 J/kg-K 0.12 BTU/lb-°F

Thermal Expansion

14 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

55 % relative

Density

7.9 g/cm3 500 lb/ft3

Embodied Carbon

8.5 kg CO2/kg material

Embodied Energy

120 MJ/kg 53 x 103 BTU/lb

Embodied Water

280 L/kg 34 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

14 MJ/m3

Resilience: Unit (Modulus of Resilience)

180 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

18 points

Thermal Shock Resistance

13 points

Alloy Composition

Nickel (Ni) 42 to 46
Chromium (Cr) 32.5 to 37.5
Iron (Fe) 10.5 to 21.2
Silicon (Si) 1.5 to 2.0
Niobium (Nb) 1.5 to 2.0
Manganese (Mn) 1.0 to 1.5
Carbon (C) 0.35 to 0.45
Phosphorus (P) 0 to 0.040
Sulfur (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