aluminum bronze

NegotiableUpdate on 05/06

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Overview

The chemical composition of QAl7 aluminum bronze tube plays a key role in its performance, including: $r $n $r $n Copper (Cu): which occupies the main component of the alloy and ensures its integrity. $r $n $r $n Tin (Sn): Restricted to levels below 0.1%, it helps improve corrosion resistance and hardness. $r $n $r $n Zinc (Zn): not exceeding 0.5%, affecting the strength and corrosion resistance of the alloy. $r $n $r $n lead (Pb): limited to below 0.03% to maintain the purity of the alloy. Phosphorus (P): not exceeding 0.01%, which helps to improve strength and corrosion resistance. $r $n $r $n Aluminum (Al): accounting for 6.0-8.0%, providing * strength for the alloy

Product Details

QAl7aluminum bronze

Material Name: QAl7aluminum bronze

Standard: (GB/T 5231-2022)

Characteristics and Scope of Application:

The performance and usage are similar to QAl5, but due to its slightly higher aluminum content, it has higher strength.

Chemical composition:

Al:6.0-8.5

Zn:0.2

Fe:0.5

Pb:0.02

Ni:0.5

Si:0.1

Cu: Surplus

mechanical properties

Mechanical properties:

Tensile strength (σ b/MPa): ≥ 635

Elongation rate (δ 10/%) ≥ 5

It is a common copper alloy composed of copper, aluminum, and small amounts of other elements. It has excellent mechanical properties and corrosion resistance, and has a wide range of applications in the industrial field. There are various preparation methods, among which casting and heat treatment are the most common. By reasonable proportioning and process control, materials with different properties can be obtained. The addition of aluminum can effectively improve the strength and hardness of copper alloys, and also enhance their corrosion resistance. The mechanical properties are excellent, with good plasticity and processability. It has higher strength than pure copper and maintains high toughness even at room temperature. This has led to widespread applications in industries such as shipbuilding, aerospace, and automotive manufacturing, such as manufacturing ship propellers, aircraft propellers, and automotive engine components. One of its important characteristics is its corrosion resistance. It can resist the erosion of seawater, atmosphere, and some chemical media, and is therefore widely used in fields such as marine engineering, chemical equipment, and seawater treatment. In addition, it also has good thermal conductivity and can be used to manufacture heat exchangers and thermal components. In addition to the above advantages, it also has good wear resistance and fatigue resistance. This makes it perform well in manufacturing high-speed rotating components such as bearings, gears, and turbines, capable of withstanding large loads and friction. However, there are also some shortcomings. Due to the addition of aluminum, its coefficient of thermal expansion is relatively high, making it prone to thermal stress and cracking. In addition, the price is relatively high and the manufacturing cost is high. However, as an important copper alloy, it plays a crucial role in industrial production. Its excellent performance makes it an ideal material choice that can meet the material performance requirements of various engineering fields. In short, it is a copper alloy with excellent mechanical properties and good corrosion resistance. It has been widely used in fields such as shipbuilding, aerospace, and automobile manufacturing, and plays an important role in fields such as ocean engineering and chemical equipment. Although there are some limitations, it is still a material worth paying attention to and researching.