EN 1.4547 (X1CrNiMoCuN20-18-7) Stainless Steel

Austenitic & General Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8g/cm³

Elastic Modulus200GPa

Tensile Strength750MPa

Yield Strength340MPa

Brinell Hardness230HB

Maximum Service Temperature1090°C

Weight Calculator

Chemical Composition

0 to 0.020%

19.5 to 20.5%

17.5 to 18.5%

6.0 to 7.0%

0 to 1.0%

0 to 0.7%

0.18 to 0.25%

0 to 0.030%

0 to 0.010%

0.5 to 1.0%

51 to 56.3%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

39 %

Fatigue Strength

290 MPa

Impact Strength: V-Notched Charpy

90 J

Poisson's Ratio

0.28

Shear Modulus

80 GPa

Shear Strength

510 MPa

Tensile Strength: Ultimate (UTS)

750 MPa

Tensile Strength: Yield (Proof)

340 MPa

Hardness

Brinell Hardness

230

Physical

Density

8.0 g/cm 3

Thermal

Latent Heat of Fusion

300 J/g

Maximum Temperature: Corrosion

420 °C

Maximum Temperature: Mechanical

1090 °C

Melting Completion (Liquidus)

1470 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

460 J/kg-K

Thermal Conductivity

14 W/m-K

Thermal Diffusivity

3.8 mm 2 /s

Thermal Expansion

17 µm/m-K

Thermal Shock Resistance

16 points

Electrical

Electrical Conductivity: Equal Volume

2.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.3 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

240 MJ/m 3

Resilience: Unit (Modulus of Resilience)

290 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

23 points

Environmental

Base Metal Price

28 % relative

Embodied Carbon

5.6 kg CO 2 /kg material

Embodied Energy

75 MJ/kg

Embodied Energy

75 MJ/kg 32 x 10 3 BTU/lb

Embodied Water

190 L/kg

Embodied Water

190 L/kg 22 gal/lb

Registered Designations & Aliases

1.4547EN 1.4547 (X1CrNiMoCuN20-18-7) Stainless SteelX1CrNiMoCuN20-18-7

Standards

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

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

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 Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 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