EN 2.4952 (NiCr20TiAl) Nickel-Chromium Alloy

Nickel Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.3g/cm³

Elastic Modulus190GPa

Tensile Strength1000MPa

Yield Strength725MPa

Brinell HardnessUnknown

Maximum Service Temperature980°C

Weight Calculator

Chemical Composition

0.040 to 0.1%

18 to 21%

65 to 79.2%

0 to 1.0%

0 to 0.020%

0 to 0.015%

0 to 0.2%

1.8 to 2.7%

1.0 to 1.8%

0 to 1.0%

0 to 0.0080%

0 to 1.5%

Mechanical

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

+AT

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

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

17 %

Fatigue Strength

370 MPa

Impact Strength: V-Notched Charpy

22 J

KV - Impact energy (J) longitud., (+AT)

+20° 20

+AT

KV - Impact energy (J) longitud., (+AT)

-196° 20

+AT

Poisson's Ratio

0.29

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

725

+AT

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

600

Reduction in Area

14 %

Rm - Tensile strength (MPa) (+AT)

1100-1400

+AT

Rm - Tensile strength (MPa) (+P)

1000

Shear Modulus

74 GPa

Shear Strength

700 MPa

Tensile Strength: Ultimate (UTS)

1150 MPa

Tensile Strength: Yield (Proof)

670 MPa

Hardness

Rockwell C hardness ( HRC or RC): (+AT)

+AT

Physical

Density

8.3 g/cm 3

Thermal

Latent Heat of Fusion

330 J/g

Maximum Temperature: Mechanical

980 °C

Melting Completion (Liquidus)

1350 °C

Melting Onset (Solidus)

1300 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

12 W/m-K

Thermal Diffusivity

3.1 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

33 points

Electrical

Electrical Conductivity: Equal Volume

1.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.5 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

170 MJ/m 3

Resilience: Unit (Modulus of Resilience)

1180 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

38 points

Strength to Weight: Bending

29 points

Environmental

Base Metal Price

55 % relative

Embodied Carbon

9.8 kg CO 2 /kg material

Embodied Energy

140 MJ/kg

Embodied Energy

140 MJ/kg 60 x 10 3 BTU/lb

Embodied Water

290 L/kg

Embodied Water

290 L/kg 35 gal/lb

Registered Designations & Aliases

2.49522.4952EN 2.4952 (NiCr20TiAl) Nickel-Chromium AlloyNiCr20TiAlNiCr20TiAl

Standards

EN 10090 EN 10090: 1998 Valve steels and alloys for internal combustion engines

EN 10269 EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

EN 10269 EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

EN 10302 EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys

EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys

EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998