DIN 1725-1 Grade 3.0526 H18 – High‑Strength AlMn1Mg1 Aluminum Alloy

The alloy AlMn1Mg1 has similar properties like AlMn1, however it reaches higher strength (to F 26). It has also relatively high strength in the soft condition, but it is well cold fomrable. The alloy belongs to the nature-hard aluminum materials. A strength increase can be achieved, not by a purposeful heat treatment only by cold forming. It is very well warm and cold transformable and is suitable to the deep-drawing (no lappet formation). The alloy is very corrosion and sea water-steadily. The main field of application, the packing, determines the kind of semi-finished material standardized according to DIN 1788 and DIN 1745 (sheet metal and strip). Application: In the packing (DIN 59606) for cans (dose lower parts, abgestreckte doses), breaking covers and catches of all kinds. In the building industry for roofings (usually profile boards), claddings as well as for roll shutter and roll gates.

Properties

General

Property	Temperature	Value	Condition	Related Standards	Shape
Density		2.72 g/cm³	H18	EN 573-3, EN 1592, EN 485
	20.0 °C	2.72 g/cm³	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat

Mechanical

Property	Temperature	Value	Condition	Related Standards	Shape	Comment
Bending angle 90°		1.5 °/t	H18	EN 573-3, EN 485
		2.5 °/t	H18	EN 573-3, EN 485
Elastic modulus		69.0 GPa	H18	EN 573-3, EN 1592, EN 485
		70.0 GPa	H18	EN 573-3, EN 1592, EN 485
	20.0 °C	65.0 - 71.0 GPa	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
Elongation		1.0 %	H18	EN 573-3, EN 485		A50
		2.0 %	H18	EN 573-3, EN 485		A50
		3.0 %	H18	EN 573-3, EN 1592		A100
	20.0 °C	2.0 %	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat	A10
	20.0 °C	3.0 %	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
Hardness, Brinell		80.0 [-]	H18	EN 573-3, EN 485
	20.0 °C	75.0 [-]	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
Plane-Strain Fracture Toughnes		22.0 - 35.0 MPa·√m				Typical for Wrought 3000 Series Aluminium
Poisson's ratio		0.33 [-]				Typical for Wrought 3000 Series Aluminium
Shear modulus	20.0 °C	25.0 - 27.0 GPa	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
Tensile strength		250.0 MPa	H18	EN 573-3, EN 1592
		260.0 MPa	H18	EN 573-3, EN 485
	20.0 °C	260.0 MPa	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat

Thermal

Property	Temperature	Value	Condition	Related Standards	Shape
Coefficient of thermal expansion	-50 °C	2.1499999999999997e-05 1/K	H18	EN 573-3, EN 1592, EN 485
	-50.0 °C	2.15e-05 1/K	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
	20 °C	2.1499999999999997e-05 1/K	H18	EN 573-3, EN 1592, EN 485
	20 °C	2.3199999999999998e-05 1/K	H18	EN 573-3, EN 1592, EN 485
	20 °C	2.3899999999999998e-05 1/K	H18	EN 573-3, EN 1592, EN 485
	20 °C	2.41e-05 1/K	H18	EN 573-3, EN 1592, EN 485, DIN 1725-1, EN 573-4	Flat
	20 °C	2.51e-05 1/K	H18	EN 573-3, EN 1592, EN 485, DIN 1725-1, EN 573-4	Flat
	100 °C	2.3199999999999998e-05 1/K	H18	EN 573-3, EN 1592, EN 485
	100.0 °C	2.32e-05 1/K	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
	100 °C	2.3899999999999998e-05 1/K	H18	EN 573-3, EN 1592, EN 485
	200 °C	2.41e-05 1/K	H18	EN 573-3, EN 1592, EN 485, DIN 1725-1, EN 573-4	Flat
	200.0 °C	2.41e-05 1/K	H18	EN 573-3, EN 1592, EN 485, DIN 1725-1, EN 573-4	Flat
	300 °C	2.51e-05 1/K	H18	EN 573-3, EN 1592, EN 485, DIN 1725-1, EN 573-4	Flat
	300.0 °C	2.51e-05 1/K	H18	EN 573-3, EN 1592, EN 485, DIN 1725-1, EN 573-4	Flat
Melting point		629.0 - 654.0 °C	H18	EN 573-3, EN 1592, EN 485
		630.0 - 655.0 °C	H18	EN 573-3, EN 1592, EN 485
Specific heat capacity		893.0 J/(kg·K)	H18	EN 573-3, EN 1592, EN 485
	20.0 °C	893.0 J/(kg·K)	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
Thermal conductivity		160.0 - 180.0 W/(m·K)	H18	EN 573-3, EN 1592, EN 485
		163 W/(m·K)	H18	EN 573-3, EN 1592, EN 485
	20.0 °C	160.0 - 190.0 W/(m·K)	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat

Electrical

Property	Temperature	Value	Condition	Related Standards	Shape
Electrical conductivity		23000000.0 - 25000000.0 S/m	H18	EN 573-3, EN 1592, EN 485
		24000000.0 S/m	H18	EN 573-3, EN 1592, EN 485
	20.0 °C	20000000.0 - 24000000.0 S/m	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
Electrical resistivity		4e-08 - 4.35e-08 Ω·m	H18	EN 573-3, EN 1592, EN 485
		4.17e-08 Ω·m	H18	EN 573-3, EN 1592, EN 485

Chemical properties

Property	Value	Condition	Related Standards	Shape
Copper	0.25 %	H18	DIN 1725-1, EN 573-3, EN 573-4, EN 1592, EN 485	Flat
Iron	0.7 %	H18	DIN 1725-1, EN 573-3, EN 573-4	Flat
	0.70 %	H18	EN 573-3, EN 1592, EN 485
Magnesium	0.8 - 1.3 %	H18	DIN 1725-1, EN 573-3, EN 573-4, EN 1592, EN 485	Flat
Manganese	1.0 - 1.5 %	H18	DIN 1725-1, EN 573-3, EN 573-4, EN 1592, EN 485	Flat
Silicon	0.3 %	H18	DIN 1725-1, EN 573-3, EN 573-4, EN 1592, EN 485	Flat
Zinc	0.25 %	H18	DIN 1725-1, EN 573-3, EN 573-4, EN 1592, EN 485	Flat

Technological properties

Property
Anodizing	decorative: sufficient, Protective: very good
Corrosion properties	Seawater: very good, weathering: very good
Workability	Bending / Spinning (cold): very good / acceptable, Impact extrusion (cold): acceptable, Deep drawing / upsetting (Condition) very good (H14) / acceptable (H12)

Property

Anodizing

decorative: sufficient, Protective: very good

Corrosion properties

Seawater: very good, weathering: very good

Workability

Bending / Spinning (cold): very good / acceptable, Impact extrusion (cold): acceptable, Deep drawing / upsetting (Condition) very good (H14) / acceptable (H12)

DIN 1725-1 Grade 3.0525 H18: High-Performance AlMn1Mg0.5 Aluminum Alloy EN 573-3 Grade 3.0526 H28 – High Strength, Corrosion‑Resistant Aluminum Alloy

Metal