MakeItFrom.com
Menu (ESC)

EN 1.4587 (GX2NiCrMoCuN29-25-5) Cast Stainless Steel

EN 1.4587 stainless steel is an austenitic stainless steel formulated for casting. Cited properties are appropriate for the solution annealed (AT) condition. 1.4587 is the EN numeric designation for this material. GX2NiCrMoCuN29-25-5 is the EN chemical designation.

It has a fairly high thermal conductivity among cast austenitic stainless steels. In addition, it has a fairly high base cost and a fairly high embodied energy.

The graph bars on the material properties cards below compare EN 1.4587 stainless steel to: cast austenitic stainless steels (top), all iron 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

Brinell Hardness

160

Elastic (Young's, Tensile) Modulus

200 GPa 30 x 106 psi

Elongation at Break

34 %

Fatigue Strength

200 MPa 29 x 103 psi

Impact Strength: V-Notched Charpy

67 J 50 ft-lb

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)

250 MPa 36 x 103 psi

Thermal Properties

Latent Heat of Fusion

310 J/g

Maximum Temperature: Corrosion

450 °C 840 °F

Maximum Temperature: Mechanical

1100 °C 2010 °F

Melting Completion (Liquidus)

1420 °C 2590 °F

Melting Onset (Solidus)

1370 °C 2500 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

17 W/m-K 9.8 BTU/h-ft-°F

Thermal Expansion

15 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.8 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.0 % IACS

Otherwise Unclassified Properties

Base Metal Price

36 % relative

Density

8.1 g/cm3 500 lb/ft3

Embodied Carbon

6.3 kg CO2/kg material

Embodied Energy

87 MJ/kg 37 x 103 BTU/lb

Embodied Water

230 L/kg 27 gal/lb

Common Calculations

PREN (Pitting Resistance)

43

Resilience: Ultimate (Unit Rupture Work)

150 MJ/m3

Resilience: Unit (Modulus of Resilience)

150 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

18 points

Thermal Diffusivity

4.5 mm2/s

Thermal Shock Resistance

13 points

Alloy Composition

Among cast stainless steels, the composition of EN 1.4587 stainless steel is notable for containing comparatively high amounts of nickel (Ni) and molybdenum (Mo). Nickel is primarily used to achieve a specific microstructure. In addition, it has a beneficial effect on mechanical properties and certain types of corrosion. Molybdenum is used to facilitate tempering. In addition, it offers modest bonuses to a wide range of material properties.

Iron (Fe) 32.7 to 41.9
Nickel (Ni) 28 to 30
Chromium (Cr) 24 to 26
Molybdenum (Mo) 4.0 to 5.0
Copper (Cu) 2.0 to 3.0
Manganese (Mn) 0 to 2.0
Silicon (Si) 0 to 1.0
Nitrogen (N) 0.15 to 0.25
Phosphorus (P) 0 to 0.035
Carbon (C) 0 to 0.030
Sulfur (S) 0 to 0.025

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

EN 10283: Corrosion resistant steel castings

Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984

Corrosion of Stainless Steels, A. John Sedriks, 1996

Advances in Stainless Steels, Baldev Raj et al. (editors), 2010