EN 1.4509 (X2CrTiNb18) Stainless Steel

Ferritic Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength530MPa

Yield Strength260MPa

Brinell Hardness200HB

Maximum Service Temperature890°C

Weight Calculator

Chemical Composition

0 to 0.030%

17.5 to 18.5%

0 to 1.0%

0 to 0.040%

0 to 0.015%

0.3 to 1.0%

0.1 to 0.6%

77.8 to 82.1%

Mechanical

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

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

21 %

Fatigue Strength

170 MPa

Poisson's Ratio

0.28

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

200-250

Rm - Tensile strength (MPa) (+A)

430-630

Shear Modulus

77 GPa

Shear Strength

330 MPa

Tensile Strength: Ultimate (UTS)

530 MPa

Tensile Strength: Yield (Proof)

260 MPa

Hardness

Brinell Hardness

180

Brinell hardness (HB): (+A)

200

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

570 °C

Maximum Temperature: Mechanical

890 °C

Melting Completion (Liquidus)

1440 °C

Melting Onset (Solidus)

1400 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

25 W/m-K

Thermal Diffusivity

6.8 mm 2 /s

Thermal Expansion

10 µm/m-K

Thermal Shock Resistance

19 points

Electrical

Electrical Conductivity: Equal Volume

2.9 % IACS

Electrical Conductivity: Equal Weight (Specific)

3.4 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

90 MJ/m 3

Resilience: Unit (Modulus of Resilience)

180 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

19 points

Strength to Weight: Bending

19 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

120 L/kg

Embodied Water

120 L/kg 15 gal/lb

Registered Designations & Aliases

1.45091.4509EN 1.4509 (X2CrTiNb18) Stainless SteelX2CrTiNb18X2CrTiNb18

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 10088-2 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 EN 10088-1: Stainless steels - Part 1: List of stainless steels Corrosion of Stainless Steels, A. John Sedriks, 1996

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