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Aluminium 7075 | Product Overview
Introduction To Aluminium 7075
MOKSH TUBES & FITTINGS LLP is a manufacturer, supplier, exporter, importer, and stockist of Aluminium Alloy 7075 products such as plates, sheets, bars, rods, forgings, and extrusions.
Aluminium 7075 is a high-strength alloy primarily composed of zinc as the main alloying element, along with magnesium and copper. It is well-known for its excellent mechanical properties, including high strength, toughness, and good fatigue resistance, making it suitable for demanding aerospace, defense, and structural applications. While it has lower corrosion resistance compared to other 6000 series alloys, it performs well in properly treated and coated conditions.
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Aluminium 7075 Specifications (AA7075 / UNS A97075)
| Category | Details |
|---|---|
| Grade | Aluminium 7075 / AA7075 / UNS A97075 |
| Type | High-strength heat-treatable aluminium alloy |
| Typical Chemical Composition | Zn 5.1–6.1%, Mg 2.1–2.9%, Cu 1.2–2.0% |
| Conditions | O, T6, T651, T73, T76 |
| Heat Treatment | Solution Treatment + Artificial Aging |
| Testing | Tensile, Hardness, Chemical, UT (on request) |
| Certification | EN 10204 3.1 / 3.2 Available |
Chemical Composition – Aluminium Alloy 7075
| Element | Composition (%) |
|---|---|
| Zinc (Zn) | 5.1 – 6.1 |
| Magnesium (Mg) | 2.1 – 2.9 |
| Copper (Cu) | 1.2 – 2.0 |
| Chromium (Cr) | 0.18 – 0.28 |
| Iron (Fe) | 0.5 max |
| Silicon (Si) | 0.4 max |
| Manganese (Mn) | 0.3 max |
| Titanium (Ti) | 0.2 max |
| Aluminium (Al) | Balance |
7075 achieves excellent strength through precipitation hardening.
Physical Properties – Aluminium 7075
| Property | Imperial | Metric |
|---|---|---|
| Density | 0.101 lb/in³ | 2.81 g/cm³ |
| Melting Range | 885 – 975 °F | 475 – 525 °C |
| Modulus of Elasticity | 10.1 × 10³ ksi | 70 GPa |
| Thermal Conductivity | — | 130 W/m·K |
| Electrical Conductivity | 33% IACS | — |
Heat Treatment – Aluminium 7075
| Heat Treatment Process | Temperature Range | Cooling / Procedure | Notes |
|---|---|---|---|
| Solution Heat Treatment | 470 – 480°C | Water quench | Essential for T6 and peak-strength tempers |
| Artificial Aging (T6) | 120 – 130°C | Air cool | Produces highest strength |
| Overaging (T73) | 160 – 190°C | Air cool | Improves corrosion resistance |
| Annealing (O Temper) | 330 – 380°C | Slow furnace cool | Restores ductility |
| Stress Relieving | 150 – 200°C | Air cool | Reduces machining stresses |
Mechanical Properties – Aluminium 7075
| Property | Annealed | Hot Finished | Cold Drawn | Hot Rolled | Sheet (T6) |
|---|---|---|---|---|---|
| Tensile Strength (MPa) | 240 – 325 | 450 – 550 | 515 – 585 | 480 – 550 | 503 – 572 |
| Yield Strength (MPa) | 100 – 140 | 380 – 480 | 450 – 515 | 415 – 480 | 435 – 503 |
| Elongation (%) | 15 – 20 | 8 – 12 | 7 – 11 | 8 – 12 | 5 – 11 |
| Brinell Hardness | 60 – 80 HB | 130 – 150 HB | 140 – 160 HB | 130 – 150 HB | 150 – 160 HB |
| Rockwell Hardness | 35 – 45 B | 80 – 85 B | 85 – 90 B | 80 – 85 B | 87 – 89 B |
7075-T6 is among the strongest aluminium alloys available commercially.
International Standards & Equivalent Grades – Aluminium 7075
| Standard | Equivalent Grade |
|---|---|
| ASTM | B209, B211 |
| AMS | 4045, 4124 |
| EN | AW-7075 |
| ISO | 6362 Series |
| JIS | H4000 Series |
Products in Aluminium Alloys
Aluminium 7075 is supplied in forms such as:
✔
Seamless Pipes
✔
Welded Pipes (ERW & EFW)
✔
Tubes (Capillary, U-Bend)
✔
Sheets & Plates
✔
Coils & Strips
✔
Round Bars, Flat Bars, Hex Bars, Square Bars
✔
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
✔
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
✔
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
✔
Custom Fabricated Components
We supply Aluminium 7075 materials in accordance with the most stringent industry standards:
Uses and Advantages
Exceptional strength comparable to some steels
Good fatigue resistance and toughness
Lightweight, ideal for aerospace and transport
Good machinability and surface finish
Can be anodized for improved corrosion resistance
Applications of Aluminium 7075
Aluminium 7075 is widely used in industries where high strength-to-weight ratio is critical:
Aerospace & Aviation
Structural aircraft components, fittings, and gears requiring high strength and fatigue resistance.
Defense & Military
Firearms, weapon parts, and armor components.
Sports Equipment
Bicycle frames, climbing equipment, and high-performance sports gear.
Automotive
Racing car parts and high-stress automotive components.
WHY CHOOSE US?
Aluminium 7075 Price per kg in India
Typical Range: ₹480 – ₹900 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is Aluminium Alloy 7075 used for?
Aluminium 7075 is mainly used in aerospace, defense, automotive, and sports equipment industries due to its exceptional strength, toughness, and fatigue resistance. Common applications include aircraft structures, firearm components, racing car parts, and high performance bicycle frames.
What are the key properties of Aluminium 7075?
Aluminium 7075 is a zinc-based alloy with excellent mechanical strength, fatigue resistance, and machinability. It has tensile strength up to 572 MPa, making it one of the strongest aluminium alloys. However, it has lower corrosion resistance compared to 6000 series alloys but performs well when anodized or surface treated.
Is Aluminium 7075 stronger than Aluminium 6061?
Yes. Aluminium 7075 is significantly stronger than 6061 due to its higher zinc and magnesium content. While 6061 is preferred for general purpose use with better corrosion resistance, 7075 is chosen for aerospace and defense applications where maximum strength is required.
Can Aluminium 7075 be welded or machined easily?
Aluminium 7075 has excellent machinability and can be used for precision engineered parts. However, it is not easily weldable compared to 6000 series alloys. Special techniques are required if welding is necessary, but for most cases, it is used in machined and forged forms.
Where can I buy Aluminium 7075 in India?
You can purchase Aluminium 7075 sheets, plates, rods, bars, forgings, and extrusions from Moksh Tubes & Fittings LLP, a leading manufacturer, supplier, exporter, importer, and stockist. They provide premium aerospace grade materials with custom sizes, international certifications, and global delivery.
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