High-Strength Alloy 165 (C17000) TH04 Plate – Superior Fatigue & Corrosion Resistance

Alloy 165 plate from Materion Performance Alloys provides strength close to that of Alloy 25, with slightly lower beryllium content. This alloy features high fatigue strength and resistance to wear, corrosion, galling, and stress relaxation.

Properties

General

Property	Temperature	Value
Density	23.0 °C	8.41 g/cm³

Dimension

Property	Value
Length	610 - 3200 mm
Thickness	4.8 - 76 mm
Width	305 - 559 mm

Mechanical

Property	Temperature	Value
Elastic modulus	23.0 °C	131 GPa
Elongation	23.0 °C	2 - 5 %
Tensile strength	23.0 °C	1100 - 1450 MPa
Yield strength Rp0.2	23.0 °C	860 - 1140 MPa

Thermal

Property	Temperature	Value
Coefficient of thermal expansion	23.0 °C	1.7E-5 1/K
Melting point		870 °C
Thermal conductivity	23.0 °C	105 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	23.0 °C	5.8E-6 - 6.9E-6 Ω·m
Specific Electrical conductivity		25 - 30 % IACS

Chemical properties

Property	Value	Comment
Beryllium	1.6 - 1.85 %
Cobalt	0.2 %	min. Nickel + Cobalt
Copper	Balance
Iron	0.6 %	max., Nickel + Cobalt + Iron
Nickel	0.2 %	min. Nickel + Cobalt

Technological properties

Property
Application areas	Typical applications include wear plates and resistance welding components.

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Metal