German CUL8FE3 high-strength aluminum bronze, also known as CW303G, is a high-quality copper material. It is known for its high strength, good wear and corrosion resistance, and is widely used in various mechanical and engineering fields.
CUL8FE3 aluminium bronze exhibits extremely high strength and hardness at room temperature, thanks to its unique alloy composition. Aluminum, iron and trace amounts of other elements are distributed in a fine and uniform manner in the copper matrix, giving the material excellent mechanical properties. The tensile strength and yield point of this alloy far exceed that of ordinary copper, allowing it to remain stable under high loads.
In addition to mechanical strength, the wear resistance of CUL8FE3 aluminum bronze is also one of its important properties. Due to the hard points formed by its internal alloying elements, the surface of the copper is not prone to severe wear during friction. This makes it have a longer service life in occasions where frequent friction is required, such as bearings, gears, etc.
In addition, the corrosion resistance of CUL8FE3 aluminium bronze is impressive. It has excellent resistance to various acids, alkalis, salts and other corrosive media, and can maintain the stability of its structure and performance for a long time. This enables equipment and components operating in harsh environments to operate more reliably, reducing maintenance and replacement costs due to corrosion.
To sum up, German CUL8FE3 high-strength aluminum bronze CW303G has become an ideal choice in the field of engineering and machinery due to its excellent mechanical properties, wear resistance and corrosion resistance.
German copper CUL8FE3 high-strength aluminum, bronze mechanical properties CW303G
Grade: Cu-Al8Fe3
Number: CW303G
Classification: Copper alloys
Density 77 g/cm³
Standard: EN 1653:1998 Copper and copper alloys. Plates, sheets and circles for boilers, pressure vessels and hot water storage devices
EN 1652:1998 Copper and copper alloys. Plates, sheets, strips and rounds for general purpose
EN 12165:1998 Copper and copper alloys. Forged and unwrought blanks
EN 12420:1999 Copper and copper alloys. Forgings
chemical composition % of grade cw303g
fe si mn ni al pb zn sn others -
1.5 - 3.5 max 0.2 max 1 max 1 6.5 - 8.5 max 0.05 max 0.5 max 0.1 total 0.2 cu - remainder
mechanical properties of grade cw303g
rm - tensile strength (mpa) (r480) 480
rp0.2 0.2% proof strength (mpa) (r480) 210
a - min. elongation at fracture (%r480) 30
vickers hardness ( hv): h110) 110