Aluminum alloys may look similar on the surface, but their subtle distinctions can make a world of difference in performance, 切削, and end-use applications. If you’re choosing between 4047 和 4032 aluminum alloys, it helps to understand what sets them apart. Let’s take a look at the key characteristics of each alloy so you know which one would work best for your application.
What Makes 4047 Aluminum Alloy Unique?
這 4047 aluminum alloy is best known for its high silicon content, which is typically around 12%. That higher silicon percentage enhances fluidity, reduces shrinkage, and significantly boosts brazing and welding performance. For this reason, 4047 is a favorite in applications where precision joining is essential.
Beyond weldability, 4047 offers:
- Excellent corrosion resistance
- Reduced crack sensitivity
- Smooth, clean brazed joints
- Consistent castability
These attributes make it especially valuable in brazing filler metals, automotive heat exchangers, and high-performance industrial components. Thanks to its reliable flow characteristics, 4047 tends to deliver predictable, repeatable results.
How 4032 Aluminum Alloy Stands Apart
這 4032 aluminum alloy contains roughly 12% silicon and 1% 鎂, along with smaller amounts of nickel and copper, it offers a balanced combination of strength, wear resistance, and thermal stability. Compared with 4047, 4032 provides significantly higher tensile strength and better hardness. These qualities make it ideal for tough, high-stress environments.
The advantages of 4032 include:
- High resistance to thermal expansion
- Superior wear performance
- Improved fatigue strength
- Excellent machinability
These characteristics make 4032 a popular choice for pistons, engine components, 飛機零件, and other applications that experience heavy mechanical and thermal loads.
Eagle Alloys Corporation supplies both alloys in castings, 鍛件, 鋼坯, 箔, 線圈, 帶, 表, 碟, 線, 桿, 酒吧, 油管, and custom configurations, with many sizes available for same-day or next-day shipping. With over 35 years of experience and ISO certification, we are ready to help you find the perfect fit. For questions, material selection guidance, or a fast quote, reach out today.
