DIN 17742 NiCr25FeAl3YC Solution-Annealed Alloy with Aging Treatment

The material NiCr25FeAl3YC with the material number 2.4647, which is applied in the form of strips, sheets, bars and wires for gas turbines, is a highly creep-resistant, corrosion-resistant and carbide-hardened nickel-base alloy.

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.9 g/cm³

Mechanical

Property	Temperature	Value
Elastic modulus	20.0 °C	214 GPa
Elongation	20.0 °C	30 %
Hardness, Brinell	20.0 °C	220 [-]
Tensile strength	20.0 °C	680 MPa
Yield strength Rp0.2	20.0 °C	270 MPa
Yield strength Rp1.0	20.0 °C	330 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	400.0 °C	1.43E-5 1/K
Melting point		1200 - 1480 °C	Typical for Nickel Chromium Iron Alloy
Specific heat capacity	23.0 °C	285 - 545 J/(kg·K)	Typical for Nickel Chromium Iron Alloy
Thermal conductivity	23.0 °C	8 - 35 W/(m·K)	Typical for Nickel Chromium Iron Alloy

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	1.25E-6 Ω·m

Chemical properties

Property	Value
Aluminium	2.4 - 3 %
Carbon	0.2 - 0.4 %
Chromium	24 - 26 %
Copper	0.15 %
Iron	8 - 11 %
Manganese	0.1 %
Nickel	58.3 %
Phosphorus	0.02 %
Silicon	0.5 %
Sulfur	0.015 %
Titanium	0.1 - 0.25 %
Yttrium	0.05 - 0.15 %
Zirconium	0.01 - 0.1 %

X2CrNiMoN18-13-3 Stainless Steel – DIN 17443 Grade, Solution Annealed, Ideal for Surgical Instruments EN 10202 Grade T620: Double Cold‑Reduced Steel Band for Tinplate Production

Metal