EN 1.4123 (X40CrMoVN16-2) Stainless Bearing Steel

Martensitic Stainless Steels

Material conditionannealed

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength810MPa

Yield Strength460MPa

Brinell Hardness250HB

Maximum Service Temperature840°C

Weight Calculator

Chemical Composition

0.35 to 0.5%

14 to 16.5%

0 to 0.5%

1.0 to 2.5%

0 to 1.0%

0.1 to 0.3%

0 to 0.040%

0 to 0.030%

0 to 1.5%

76.7 to 84.6%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

21 %

Fatigue Strength

300 MPa

Poisson's Ratio

0.28

Shear Modulus

77 GPa

Shear Strength

510 MPa

Tensile Strength: Ultimate (UTS)

810 MPa

Tensile Strength: Yield (Proof)

460 MPa

Hardness

Brinell Hardness

250

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

390 °C

Maximum Temperature: Mechanical

840 °C

Melting Completion (Liquidus)

1450 °C

Melting Onset (Solidus)

1410 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

23 W/m-K

Thermal Diffusivity

6.3 mm 2 /s

Thermal Expansion

10 µm/m-K

Thermal Shock Resistance

29 points

Electrical

Electrical Conductivity: Equal Volume

2.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.8 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

150 MJ/m 3

Resilience: Unit (Modulus of Resilience)

540 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

29 points

Strength to Weight: Bending

25 points

Environmental

Base Metal Price

10 % relative

Embodied Carbon

4.2 kg CO 2 /kg material

Embodied Energy

62 MJ/kg

Embodied Energy

62 MJ/kg 27 x 10 3 BTU/lb

Embodied Water

120 L/kg

Embodied Water

120 L/kg 14 gal/lb

Registered Designations & Aliases

1.41231.4123EN 1.4123 (X40CrMoVN16-2) Stainless Bearing SteelX40CrMoVN16-2X40CrMoVN16-2

Standards

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 10088-3 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

ISO 683-17 ISO 683-17: Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels

ISO 683-17 ISO 683-17: Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels 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 Corrosion of Stainless Steels, A. John Sedriks, 1996