What are aluminum alloys made of ?

Aluminum alloys have various specific properties that combine advantages and disadvantages. Depending on the application, it is advisable to use the right alloy and thus take advantage of the benefits.

Aluminum alloys are mainly composed of the following elements:

Magnesium (Mg)
Silicon (Si)
Manganese (Mn)
Zinc (Zn)
Copper (Ku)

The various elements change the properties of aluminum alloys as follows.

Element:	Property:
Magnesium (Mg)	Greatly increases strength and corrosion resistance.
Silicon (Si)	Improves flow properties and is therefore used in casting alloys.
Manganese (Mn)	Causes good formability and inhibits recrystallization.
Zinc (Zn)	Increases strength and hardness, the deteriorates.
Copper (Ku)	Increases the strength and toughness, the corrosion corrosion resistance becomes worse.

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What are the aluminum alloys?

Aluminum Alloys Table - Overview, Hardness, Tensile Strength Yield Strength, Thermal Conductivity

In the following table you will find the physical properties of aluminum alloys clearly listed.

Aluminum Hardness in (Brinell)
Aluminum tensile strength in (N/mm²)
Aluminum yield strength in (N/mm²)
Aluminum thermal conductivity in(W/cm°C) Conversion: 1 W/cm°C = 100 W/mk

Aluminum EN standard	old standard	Aluminum Hardness in ( Brinell )	Aluminum Tensile strength in ( N/mm² )	Aluminum Yield strength in ( N/mm² )	Aluminum Thermal conductivity in ( W/cm°C )
EN AW-1050A	AL99,5	22 - 35	75 - 110	20 - 60	2,1 - 2,2
EN AW-2007	AlCuMgPb	100 - 140	370 - 470	250 - 325	1,3 - 1,5
EN AW-2011	AlCUBiPb	110 - 130	370 - 410	270 - 315	1,4 - 1,6
EN AW-2017	AlCuMg1	95 - 130	385 - 460	245 - 340	1,3 - 1,7
EN AW-5005	ALMg1	29 - 58	145 - 185	110 - 120	1,6 - 2,2
EN AW-5083	AlMg4,5Mn	70 - 100	275 - 315	125 - 180	1,1 - 1,4
EN AW-5754	AlMg3	50 - 80	190 - 250	80 - 140	1,4 - 1,6
EN AW-6012	AlMgSiPb	80 - 120	275 - 390	200 - 370	1,5 - 1,9
EN AW-6060	AlMgSi0,5	70 - 80	215 - 260	160 - 230	2,0 - 2,2
EN AW-6061	Mg1SiCu	58 - 88	180 - 290	110 - 240	1,7 - 2,0
EN AW-6082	ALMgSi1	95 - 105	300 - 350	240 - 320	1,5 - 1,9
EN AW-7020	AlZn4,5Mg1	95 - 105	330 - 350	260 - 280	1,3 - 1,6
EN AW-7021	ALZn5,5Mg1,5	110 - 120	320 - 380	290 - 340	1,25 - 1,55
EN AW-7022	AlZnMgCu0,5	165 - 170	410 - 520	330 - 460	1,25 - 1,55
EN AW-7075	AlZnMgCu1,5	130 - 160	480 - 540	390 - 470	1,25 - 1,55

* All data without guarantee.

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Aluminum Alloys Table - Overview, Forming, Machining, Welding, Corrosion, Anodizing

In the following table you will find an overview of the various common aluminum alloys and the aluminum properties, as far as machining is concerned. We have evaluated the topics of aluminum forming, aluminum machining, aluminum welding, aluminum corrosion and aluminum anodizing in a table.

Aluminum EN standard	old standard	Aluminum Forming	Aluminum Metal cutting	Aluminum Welding	Aluminum Corrosion	Aluminum Anodizing
EN AW-1050A	AL99,5	very good	not good	very good	very good	good
EN AW-1350	E-AL	very good	not good	very good	very good	good
EN AW-2007	AlCuMgPb	moderate	very good	moderate	moderate	not good
EN AW-2011	AlCUBiPb	moderate	very good	moderate	moderate	not good
EN AW-2017	AlCuMg1	moderate	very good	not good	moderate	not good
EN AW-2024	AlCuMg2	moderate	good	not good	moderate	not good
EN AW-5005	ALMg1	very good	moderate	very good	very good	good
EN AW-5056A	AlMg5	moderate	very good	very good	very good	good
EN AW-5083	AlMg4,5Mn	moderate	very good	very good	very good	good
EN AW-5754	AlMg3	good	very good	very good	very good	good
EN AW-6012	AlMgSiPb	good	very good	good	very good	not good
EN AW-6060	AlMgSi0,5	good	moderate	good	very good	good
EN AW-6061	Mg1SiCu	good	moderate	good	very good	not good
EN AW-6082	ALMgSi1	good	very good	moderate	very good	medium
EN AW-7020	AlZn4,5Mg1	difficult	very good	good	moderate	medium
EN AW-7022	AlZnMgCu0,5	difficult	very good	moderate	moderate	medium
EN AW-7075	AlZnMgCu1,5	difficult	very good	good	very good	medium

* All data without guarantee.

7075 aluminum (aircraft aluminum)

7075 Alu stands out among the many alloys available. The area of application for 7075 Alu includes highly stressed structures in aerospace and military applications. It is also known as aircraft aluminum. AW-7075 combines properties such as: Strength, stiffness, elasticity and corrosion resistance almost perfectly, while also being very light.

From this exceptional material there are a variety of products, including aluminum screws.

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