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ERGAL 7075

Ergal 7075 is an aluminium alloy with very high mechanical strength, light and machinable, ideal for applications subject to high stress.

Chemical composition

AlZn6CuMg

ISO Standard

3.4365

Thanks to its high tensile strength, Ergal 7075 is perfect for sectors such as aerospace, automotive and precision mechanics, where lightness and robustness are essential.

Although it has good corrosion resistance when treated, it is less suitable for welding and high-temperature applications.

Why use Ergal 7075?

1
Extreme mechanical strength
- Tensile strength up to 600-700 MPa
- Comparable to some steels, but with a much lower weight
- Good for components subject to high stress
2
Lightness
- About 1/3 the weight of steel,
- Perfect for reduce weights without compromising strength
3
Excellent workability
- Easy to turn, mill and thread
- Good surface finish, ideal for precision small parts
4
Fatigue and wear resistance
- Ideal for components subject to cyclical loads (e.g. gears, shafts, supports)
- High hardness after treatment T6
5
Good corrosion resistance (if treated)
- Recommended anodising to increase its protection
- Excellent for applications in outdoor or marine environments
6
Excellent thermal and electrical conductivity
- Useful for dissipative components or electrically conductive structures

Applications of Ergal 7075 small parts

Aerospace sector

pivots, supports, structural components
Control instruments

Motorsport and automotive

frames, hubs, suspension parts
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Cycling and motorbikes

cranks, handlebars, chainrings
Control instruments

Precision engineering industry

axles, bushings, spacers
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Military sector

weapon parts and optics
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Boating and marine equipment

screws, fittings, joints
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When to avoid Ergal 7075?

If you need ahigh corrosion resistance without treatment (better the 6061 or theAISI 316)

In applications with very high temperatures (>150°C)

If a high weldability (difficult to weld)

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