DIN 1725-2 Grade 3.1841 T5 Alloy – High Strength & Toughness for Automotive & Aerospace Parts

G-AlCu4Ti - solidifies in an wide range of temperature - complicated casting - application in part hardend or warm hardend state - applicable for simple cast pieces, with high demands to strength and toughness application: - wear resistant construction parts in automobile, machine and aircraft industry

Properties

General

Property	Temperature	Value	Condition	Related Standards
Density	20.0 °C	2.75 g/cm³	T5	DIN 1725-2, EN 1676, EN 1706

Mechanical

Property	Temperature	Value	Condition	Related Standards	Comment
Elastic modulus	20.0 °C	72.0 GPa	T5	DIN 1725-2, EN 1676, EN 1706
Elongation	20.0 °C	2.0 %	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	3.0 %	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	3.0 - 8.0 %	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	7.0 - 12.0 %	T5	DIN 1725-2, EN 1676, EN 1706
Hardness, Brinell	20.0 °C	90.0 [-]	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	95.0 - 110.0 [-]	T5	DIN 1725-2, EN 1676, EN 1706
Poisson's ratio		0.33 [-]			Typical for Cast 2xx.x Series Aluminium
Tensile strength	20.0 °C	250.0 MPa	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	280.0 MPa	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	300.0 - 380.0 MPa	T5	DIN 1725-2, EN 1676, EN 1706
	20.0 °C	330.0 - 400.0 MPa	T5	DIN 1725-2, EN 1676, EN 1706

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	200.0 °C	2.4e-05 1/K	T5	DIN 1725-2, EN 1676, EN 1706
Melting point		510.0 - 790.0 °C			Typical for Cast 2xx.x Series Aluminium
Specific heat capacity	20.0 °C	900.0 J/(kg·K)	T5	DIN 1725-2, EN 1676, EN 1706
Thermal conductivity	20.0 °C	110.0 - 140.0 W/(m·K)	T5	DIN 1725-2, EN 1676, EN 1706

Electrical

Property	Temperature	Value	Condition	Related Standards	Comment
Electrical conductivity	20.0 °C	16000000.0 - 20000000.0 S/m	T5	DIN 1725-2, EN 1676, EN 1706
Electrical resistivity		4.347826086956522e-08 - 6.25e-08 Ω·m			Typical for Cast 2xx.x Series Aluminium

Chemical properties

Property	Value	Condition	Related Standards
Aluminium	93.5 %	T5	DIN 1725-2, EN 1676, EN 1706
Copper	4.5 - 5.2 %	T5	DIN 1725-2, EN 1676, EN 1706
Iron	0.18	T5	DIN 1725-2, EN 1676, EN 1706
Manganese	0.001 - 0.5 %	T5	DIN 1725-2, EN 1676, EN 1706
Silicon	0.18	T5	DIN 1725-2, EN 1676, EN 1706
Titanium	0.15 - 0.3 %	T5	DIN 1725-2, EN 1676, EN 1706
Zinc	0.07	T5	DIN 1725-2, EN 1676, EN 1706

Technological properties

Property
Processing methods	permanent mould casting, sample taken from casting

Property

Processing methods

permanent mould casting, sample taken from casting

EN 573-3 Grade 3.0506 F – Premium Lean Aluminum‑Magnesium Alloy DIN 1725-2 Grade 3.1841 T61 – High‑Strength, Wear‑Resistant Casting Alloy

Metal