What Is The Difference Between 7075 And 7050 Aluminum Alloy?

7050 aluminum alloy is based on 7075 aluminum alloy. The Zn, Cu content and Cu/Mg ratio are increased to increase the strength, and Zr is used instead of Cr to overcome the quenching sensitivity problem and inhibit recrystallization. It has high strength and fracture toughness. And anti-stress corrosion performance. Now the editor of Nobel Smart Manufacturing will tell you about it.

7075 aluminum alloy: 7075 aluminum alloy is a cold-treated forging alloy with high strength and far better than mild steel. 7075 is one of the most powerful alloys commercially available. The 7075 aluminum alloy has a compact structure and strong corrosion resistance, which is best for aviation and marine plates. Common corrosion resistance, good mechanical properties and anode reaction. The finer grains make the deep drilling performance better, the tool wear resistance is enhanced, and the thread rolling is more distinctive. 7075 aluminum alloy tensile strength 524Mpa, 0.2% yield strength 455Mpa: elongation rate 11%, elastic modulus E/Gpa: 71, hardness 150HB, density: 2810.

7050 aluminum alloy: 7050 aluminum alloy is a high-strength heat-treatable alloy with extremely high strength and resistance to spalling corrosion and stress corrosion cracking. Commonly used in aircraft structural parts for medium and thick plate extrusions, free forgings and die forgings. The main alloying element of 7075 series aluminum alloy is zinc. Adding magnesium to the alloy containing 3%-75% zinc can form MgZn2 with significant strengthening effect, which makes the heat treatment effect of this alloy far better than aluminum-zinc binary alloy. Increasing the content of zinc and magnesium in the alloy will further increase the tensile hardness, but its resistance to stress corrosion and spalling corrosion will decrease. After heat treatment, it can achieve very high strength characteristics.