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EN 1.4482 (X2CrMnNiMoN21-5-3) Stainless Steel

EN 1.4482 stainless steel is a duplex stainless steel formulated for primary forming into wrought products. 1.4482 is the EN numeric designation for this material. X2CrMnNiMoN21-5-3 is the EN chemical designation.

It has a moderately low base cost among wrought duplex stainless steels. In addition, it has a moderately high ductility and a moderately low embodied energy.

The properties of EN 1.4482 stainless steel include two common variations. This page shows summary ranges across both of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare EN 1.4482 stainless steel to: wrought duplex 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

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Elongation at Break

34 %

Fatigue Strength

420 to 450 MPa 61 to 66 x 103 psi

Poisson's Ratio

0.28

Shear Modulus

78 GPa 11 x 106 psi

Shear Strength

510 to 530 MPa 74 to 77 x 103 psi

Tensile Strength: Ultimate (UTS)

770 to 800 MPa 110 to 120 x 103 psi

Tensile Strength: Yield (Proof)

530 to 570 MPa 76 to 83 x 103 psi

Thermal Properties

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

430 °C 800 °F

Maximum Temperature: Mechanical

980 °C 1790 °F

Melting Completion (Liquidus)

1420 °C 2580 °F

Melting Onset (Solidus)

1370 °C 2500 °F

Specific Heat Capacity

480 J/kg-K 0.12 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.7 BTU/h-ft-°F

Thermal Expansion

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.6 % IACS

Otherwise Unclassified Properties

Base Metal Price

12 % relative

Density

7.7 g/cm3 480 lb/ft3

Embodied Carbon

2.7 kg CO2/kg material

Embodied Energy

38 MJ/kg 16 x 103 BTU/lb

Embodied Water

150 L/kg 18 gal/lb

Common Calculations

PREN (Pitting Resistance)

24

Resilience: Ultimate (Unit Rupture Work)

230 to 250 MJ/m3

Resilience: Unit (Modulus of Resilience)

690 to 820 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

28 to 29 points

Strength to Weight: Bending

24 to 25 points

Thermal Diffusivity

4.0 mm2/s

Thermal Shock Resistance

21 to 22 points

Alloy Composition

Among wrought stainless steels, the composition of EN 1.4482 stainless steel is notable for containing a comparatively high amount of manganese (Mn) and including copper (Cu). Manganese is used to improve ductility at elevated temperatures. It also permits a higher nitrogen content than would otherwise be possible. Copper is used to improve resistance to acids, and to improve formability.

Iron (Fe) 66.1 to 74.9
Chromium (Cr) 19.5 to 21.5
Manganese (Mn) 4.0 to 6.0
Nickel (Ni) 1.5 to 3.5
Silicon (Si) 0 to 1.0
Copper (Cu) 0 to 1.0
Molybdenum (Mo) 0.1 to 0.6
Nitrogen (N) 0.050 to 0.2
Phosphorus (P) 0 to 0.035
Carbon (C) 0 to 0.030
Sulfur (S) 0 to 0.030

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

Followup Questions

Similar Alloys

Further Reading

Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009

Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997

EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-1: Stainless steels - Part 1: List of stainless steels

Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012

Corrosion of Stainless Steels, A. John Sedriks, 1996

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