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Solution Annealed (+AT) 1.4530 Stainless Steel

EN 1.4530 +AT steel is EN 1.4530 stainless steel in the solution annealed (AT) condition. The graph bars on the material properties cards below compare EN 1.4530 +AT steel to: wrought precipitation-hardening 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

320

Elastic (Young's, Tensile) Modulus

200 GPa 28 x 106 psi

Poisson's Ratio

0.28

Shear Modulus

76 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

1030 MPa 150 x 103 psi

Thermal Properties

Latent Heat of Fusion

270 J/g

Maximum Temperature: Corrosion

450 °C 840 °F

Maximum Temperature: Mechanical

790 °C 1450 °F

Melting Completion (Liquidus)

1460 °C 2650 °F

Melting Onset (Solidus)

1410 °C 2570 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Expansion

11 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

15 % relative

Density

7.9 g/cm3 490 lb/ft3

Embodied Carbon

3.4 kg CO2/kg material

Embodied Energy

46 MJ/kg 20 x 103 BTU/lb

Embodied Water

130 L/kg 15 gal/lb

Common Calculations

PREN (Pitting Resistance)

19

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

36 points

Strength to Weight: Bending

29 points

Thermal Shock Resistance

35 points

Alloy Composition

Iron (Fe)Fe 74.4 to 77.3
Chromium (Cr)Cr 11.5 to 12.5
Nickel (Ni)Ni 8.5 to 9.5
Molybdenum (Mo)Mo 1.9 to 2.2
Aluminum (Al)Al 0.6 to 0.8
Titanium (Ti)Ti 0.28 to 0.37
Manganese (Mn)Mn 0 to 0.1
Silicon (Si)Si 0 to 0.1
Carbon (C)C 0 to 0.015
Phosphorus (P)P 0 to 0.010
Nitrogen (N)N 0 to 0.010
Sulfur (S)S 0 to 0.0050

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

Followup Questions

How are the material properties defined?How do I compare this exact variant to another material?

Further Reading

EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products 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

Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993

Corrosion of Stainless Steels, A. John Sedriks, 1996

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