EN 1.4646 (X6CrMnNiCuN18-12-4-2) Stainless Steel

Austenitic & General Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength750MPa

Yield Strength430MPa

Brinell Hardness220HB

Maximum Service Temperature910°C

Weight Calculator

Chemical Composition

0.020 to 0.1%

17 to 19%

3.5 to 4.5%

0 to 0.5%

10.5 to 12.5%

0 to 1.0%

0.2 to 0.3%

0 to 0.050%

0 to 0.015%

1.5 to 3.0%

59 to 67.3%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

34 %

Fatigue Strength

340 MPa

Impact Strength: V-Notched Charpy

90 J

Poisson's Ratio

0.28

Shear Modulus

77 GPa

Shear Strength

500 MPa

Tensile Strength: Ultimate (UTS)

750 MPa

Tensile Strength: Yield (Proof)

430 MPa

Hardness

Brinell Hardness

220

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

410 °C

Maximum Temperature: Mechanical

910 °C

Melting Completion (Liquidus)

1390 °C

Melting Onset (Solidus)

1340 °C

Specific Heat Capacity

480 J/kg-K

Thermal Expansion

17 µm/m-K

Thermal Shock Resistance

16 points

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

220 MJ/m 3

Resilience: Unit (Modulus of Resilience)

460 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

27 points

Strength to Weight: Bending

24 points

Environmental

Base Metal Price

13 % relative

Embodied Carbon

2.8 kg CO 2 /kg material

Embodied Energy

41 MJ/kg

Embodied Energy

41 MJ/kg 18 x 10 3 BTU/lb

Embodied Water

160 L/kg

Embodied Water

160 L/kg 19 gal/lb

Registered Designations & Aliases

1.4646EN 1.4646 (X6CrMnNiCuN18-12-4-2) Stainless SteelX6CrMnNiCuN18-12-4-2

Standards

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

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

EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes 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 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 EN 10088-1: Stainless steels - Part 1: List of stainless steels

EN 10088-3 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