EN 1.4122 (X39CrMo17-1) Stainless Steel

Martensitic Stainless Steels

Material conditionannealed

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength790MPa

Yield Strength450MPa

Brinell Hardness240HB

Maximum Service Temperature870°C

Weight Calculator

Chemical Composition

0.33 to 0.45%

15.5 to 17.5%

0 to 1.0%

0.8 to 1.3%

0 to 1.5%

0 to 1.0%

0 to 0.040%

0 to 0.015%

77.2 to 83.4%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

14 %

Fatigue Strength

260 MPa

Poisson's Ratio

0.28

Shear Modulus

77 GPa

Shear Strength

480 MPa

Tensile Strength: Ultimate (UTS)

790 MPa

Tensile Strength: Yield (Proof)

450 MPa

Hardness

Brinell Hardness

240

Rockwell B Hardness

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

400 °C

Maximum Temperature: Mechanical

870 °C

Melting Completion (Liquidus)

1440 °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

28 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)

93 MJ/m 3

Resilience: Unit (Modulus of Resilience)

520 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

25 points

Environmental

Base Metal Price

9.5 % relative

Embodied Carbon

2.4 kg CO 2 /kg material

Embodied Energy

33 MJ/kg

Embodied Energy

33 MJ/kg 14 x 10 3 BTU/lb

Embodied Water

120 L/kg

Embodied Water

120 L/kg 14 gal/lb

Registered Designations & Aliases

1.41221.4122EN 1.4122 (X39CrMo17-1) Stainless SteelX39CrMo17-1X39CrMo17-1

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 10088-2 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 Welding Metallurgy, 2nd ed., Sindo Kou, 2003 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

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