EN 1.4462 (X2CrNiMoN22-5-3) Stainless Steel

Duplex Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus200GPa

Tensile Strength780MPa

Yield Strength450MPa

Brinell Hardness270HB

Maximum Service Temperature1060°C

Weight Calculator

Chemical Composition

0 to 0.030%

21 to 23%

4.5 to 6.5%

2.5 to 3.5%

0 to 2.0%

0 to 1.0%

0.1 to 0.22%

0 to 0.035%

0 to 0.015%

63.7 to 71.9%

Mechanical

A - Min. elongation at fracture (%) (+A)

20-25

A - Min. elongation at fracture (%) longitud., (+AT)

22-30

+AT

A - Min. elongation at fracture (%) transverse, (+AT)

+AT

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

26 %

Fatigue Strength

370 MPa

Impact Strength: V-Notched Charpy

90 J

KV - Impact energy (J) longitud., (+A)

+20° 150

KV - Impact energy (J) longitud., (+AT)

+20° 120-200

+AT

KV - Impact energy (J) transverse, (+A)

+20° 100

KV - Impact energy (J) transverse, (+A)

-40° 40

KV - Impact energy (J) transverse, (+AT)

+20° 90-100

+AT

KV - Impact energy (J) transverse, (+AT)

-196° 40

+AT

KV - Impact energy (J) transverse, (+AT)

-40° 40

+AT

Poisson's Ratio

0.27

R p0.2 0.2% proof strength (MPa) (+A)

450-500

R p0.2 0.2% proof strength (MPa) (+AT)

450

+AT

Rm - Tensile strength (MPa) (+A)

640-950

Rm - Tensile strength (MPa) (+AT)

640-920

+AT

Rm - Tensile strength (MPa) (+AT+C)

1000-1020

+AT

Shear Modulus

80 GPa

Shear Strength

500 MPa

Tensile Strength: Ultimate (UTS)

780 MPa

Tensile Strength: Yield (Proof)

520 MPa

Hardness

Brinell Hardness

240

Brinell hardness (HB): (+A)

270

Brinell hardness (HB): (+AT)

290

+AT

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

300 J/g

Maximum Temperature: Corrosion

430 °C

Maximum Temperature: Mechanical

1060 °C

Melting Completion (Liquidus)

1450 °C

Melting Onset (Solidus)

1400 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

15 W/m-K

Thermal Diffusivity

4.0 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

21 points

Electrical

Electrical Conductivity: Equal Volume

2.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.5 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m 3

Resilience: Unit (Modulus of Resilience)

670 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

28 points

Strength to Weight: Bending

24 points

Environmental

Base Metal Price

17 % relative

Embodied Carbon

3.6 kg CO 2 /kg material

Embodied Energy

49 MJ/kg

Embodied Energy

49 MJ/kg 21 x 10 3 BTU/lb

Embodied Water

160 L/kg

Embodied Water

160 L/kg 19 gal/lb

Registered Designations & Aliases

1.44621.4462EN 1.4462 (X2CrNiMoN22-5-3) Stainless SteelX2CrNiMoN22-5-3X2CrNiMoN22-5-3

Standards

EN 10028-7 EN 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels

EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels

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

EN 10088-2 EN 10088-2: 2005 Stainless steels. 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 EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

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

EN 10088-4 EN 10088-4: 2009 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes

EN 10088-5 EN 10088-5: 2009 Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes

EN 10216-5 EN 10216-5: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes

EN 10217-7 EN 10217-7: 2005 Welded steel tubes for pressure purposes. Stainless steel tubes

EN 10222-5 EN 10222-5: 2000 Steel forgings for pressure purposes. Martensitic, austenitic and austenitic-ferritic stainless steels

EN 10222-5 EN 10222-5: Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels

EN 10222-5 EN 10222-5: Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels EN 10272: Stainless steel bars for pressure purposes EN 10250-4: Open die steel forgings for general engineering purposes - Part 4: Stainless steels 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 10088-3: 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 Corrosion of Stainless Steels, A. John Sedriks, 1996

EN 10250-4 EN 10250-4: 2000 Open steel die forgings for general engineering purposes. Stainless steels

EN 10250-4 EN 10250-4: Open die steel forgings for general engineering purposes - Part 4: Stainless steels

EN 10253-3 EN 10253-3: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements

EN 10253-4 EN 10253-4: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements

EN 10263-5 EN 10263-5: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels

EN 10272 EN 10272: 2007 Stainless steel bars for pressure purposes

EN 10272 EN 10272: Stainless steel bars for pressure purposes

EN 10296-2 EN 10296-2: 2005 Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions

EN 10297-2 EN 10297-2: 2005 Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions