7075 aluminum wire rods are usually used in the manufacture of fasteners, such as screws, nuts, bolts and other fasteners. These aluminum wire rods are extruded or drawn and have good mechanical properties and processing properties.
Why choose Chalco 7075 aluminum wire rod for fasteners?
Production capacity
Chalco Aluminum is an enterprise that integrates the design, development and precision testing of smelting, extrusion, and fine-drawn aluminum manufacturing. It can provide excellent quality 2017A aluminum wire rods for fasteners, as well as high-quality technical services in the market, and how to support Customers have a deep knowledge base in meeting the challenges of the future.
Certified product
We have passed the AS9100 certification required by the aviation industry and the IATF16949 certification required by the automotive industry, providing a strong guarantee for the quality of the aluminum wire rods used for fasteners produced by our company.
Chemical composition of aluminum wire rod for 7075 fasteners
| Element | Composition % |
| Si | ≤ 0.40 |
| Fe | ≤ 0.50 |
| Cu | 1.2-2.0 |
| Mn | ≤ 0.3 |
| Mg | 2.1-2.9 |
| Zn | 5.1-6.1 |
| Ti | ≤ 0.20 |
| Al | test |
Specifications for aluminum wire rods for 7075 fasteners
| Size | 1.6-15.0mm |
| Temper | O, H13, T73 |
| Size tolerance | ±0.02mm |
| Weight coil | Above 50KGs |
| Function | Fastener |
Mechanical properties of aluminum rods for 7075 fasteners
| Alloy | Supply temper | Sample temper | Diameter mm | Mechanical properties | |||
| Tension Strength Rm Mpa | Yield Strength R p0.2 Mpa | Elongation after break/% | |||||
| A100 mm | A250 mm | ||||||
| Not less than | |||||||
| 7075 | O | O | 1.6-10.0 | ≤275 | 110 | 13 | - |
| H13 | H13 | 1.6-10.0 | 230-310 | 230 | 2.5 | ||
| H18 | H18 | 1.6-10.0 | 285 | 260 | 2 | - | |
| H13, H18 | T3 | 1.6-10.0 | 510 | 485 | 10 | - | |
Permissible deviation of diameter of aluminum wire rod for 7075 fasteners
| Diameter | Tolerance allowed | |||
| Grade A | Grade B | Grade C | Grade D | |
| ≤1.6 |
+0.000 -0.015 |
+0.015 -0.015 |
±0.015 |
+0.00 -0.04 |
| ＞1.6-4.0 |
+0.000 -0.025 |
+0.025 -0.015 |
±0.025 |
+0.00 -0.05 |
| ＞4.0-6.0 |
+0.000 -0.030 |
+0.025 -0.025 |
±0.040 |
+0.00 -0.08 |
| ＞6.0-10.0 |
+0.000 -0.040 |
+0.050 -0.025 |
±0.060 |
+0.00 -0.12 |
Appearance quality of aluminum rod for 7075 fasteners
| Defect name | Technical requirement |
| Fastener aluminum wire | |
| Cracks, burrs, peeling, air bubbles, bumps, dents, scratches, triangular mouths, metal press-in, non-metal press-in and surface corrosion | Not allowed |
| Scuffs, scratches, bumps | Allowable depth does not exceed half of the negative deviation value |
| Oil spots | Allowed |
Features of aluminum wire rod for 7075 fasteners
7075 aluminum alloy pole has many unique features and advantages that make it widely used in various applications. The following are the main features of 7075 aluminum alloy poles:
High strength: 7075 aluminum alloy is a high-strength alloy, and its strength is much higher than that of ordinary aluminum alloys. Its tensile strength usually exceeds 500 MPa, more than twice that of many other aluminum alloys. This makes the 7075 aluminum rod excellent in applications that need to withstand high forces and pressures.
Lightweight: despite its exceptional strength, 7075 aluminum alloy is still a lightweight material. Compared with steel, its density is only about 1/3, so the use of 7075 aluminum alloy rods can effectively reduce the weight of the structure, which is conducive to improving the carrying capacity and fuel efficiency of the product.
Excellent corrosion resistance: 7075 aluminum alloy rod contains a certain proportion of elements such as zinc and copper, which endows it with good corrosion resistance. The alloy maintains its durability even in harsh environments such as sea water or wet climates.
Fatigue resistance: 7075 aluminum alloy rod has excellent fatigue resistance, which means that its performance is not easy to degrade under repeated cyclic loading, which helps to improve the life and reliability of the structure.
Machinability: although 7075 aluminum alloy is a high-strength material, it still has good machinability. It can be formed by various processing techniques, such as extrusion, forging, casting and machining, etc., to facilitate the manufacture of complex-shaped parts.
High temperature stability: 7075 aluminum alloy has good high temperature stability and can maintain good strength and stability at higher temperatures. This makes it advantageous for applications in high temperature working environments.
Wide application: due to its excellent performance, 7075 aluminum alloy rods are widely used in aerospace, aviation industry, automobile manufacturing, bicycles, sports equipment, military fields, etc.
Application of aluminum rod for 7075 fasteners
Aerospace industry: 7075 aluminum alloy rod is one of the most commonly used materials in the aerospace industry. It is used to make critical components such as wings, fuselage structures, beams and columns of aircraft because its high strength and light weight properties help improve the performance and fuel efficiency of the aircraft.
Aviation industry: in addition to aircraft, 7075 aluminum alloy rods are also used to manufacture structural parts of helicopters and other aircraft, such as rotors and seat frames.
Automobile industry: in automobile manufacturing, 7075 aluminum alloy rods are often used in high-performance automobile parts, such as racing car frames, braking systems and suspension components. Its high strength and light weight make the car more flexible and efficient.
Bicycle industry: high-end bicycles and mountain bikes often use 7075 aluminum alloy rods to manufacture frames and components. This alloy provides excellent rigidity and durability for a variety of riding conditions.
Sports equipment: 7075 aluminum alloy poles are widely used in various sports equipment, such as ski poles, trekking poles, golf clubs, etc. Its high strength and light weight allow athletes to move more comfortably and efficiently.
Military applications: due to its excellent strength and corrosion resistance, 7075 aluminum alloy rods are also widely used in the military field for the manufacture of weapon parts and military vehicles, etc.
Engineering structures: 7075 aluminum alloy rods can also be used in buildings, bridges and other engineering structures, especially where high strength and corrosion resistance are required.
