EN 1.4418 (X4CrNiMo16-5-1) Stainless Steel

Martensitic Stainless Steels

Material conditionannealed

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus200GPa

Tensile Strength960MPa

Yield Strength540MPa

Brinell Hardness280HB

Maximum Service Temperature870°C

Weight Calculator

Chemical Composition

0 to 0.060%

15 to 17%

4.0 to 6.0%

0.8 to 1.5%

0 to 1.5%

0 to 0.7%

0 to 0.020%

0 to 0.040%

0 to 0.015%

73.2 to 80.2%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

20 %

Fatigue Strength

350 MPa

Poisson's Ratio

0.28

Shear Modulus

77 GPa

Shear Strength

600 MPa

Tensile Strength: Ultimate (UTS)

960 MPa

Tensile Strength: Yield (Proof)

540 MPa

Hardness

Brinell Hardness

280

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

410 °C

Maximum Temperature: Mechanical

870 °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

10 µm/m-K

Thermal Shock Resistance

34 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)

170 MJ/m 3

Resilience: Unit (Modulus of Resilience)

730 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

34 points

Strength to Weight: Bending

28 points

Environmental

Base Metal Price

13 % relative

Embodied Carbon

2.8 kg CO 2 /kg material

Embodied Energy

39 MJ/kg

Embodied Energy

39 MJ/kg 17 x 10 3 BTU/lb

Embodied Water

130 L/kg

Embodied Water

130 L/kg 15 gal/lb

Registered Designations & Aliases

1.44181.4418EN 1.4418 (X4CrNiMo16-5-1) Stainless SteelX4CrNiMo16-5-1X4CrNiMo16-5-1

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 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 10272 EN 10272: 2007 Stainless steel bars for pressure purposes

EN 10272 EN 10272: Stainless steel bars for pressure purposes

EN 10272 EN 10272: Stainless steel bars for pressure purposes EN 10250-4: Open die steel forgings for general engineering purposes - Part 4: Stainless steels 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 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 Corrosion of Stainless Steels, A. John Sedriks, 1996