7085 aluminum alloy plate forgings

A kind of high strength and high hardenability forging aluminum alloy has been developed since 1990s. 7085 aluminum alloy plate forgings can solve the contradiction between specification hardenability, performance and residual internal stress, and have excellent comprehensive properties, especially in fracture toughness, without the influence of thickness.

Chemical Composition of 7085Alloy

Alloy

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Zr

Others

Al

Each

Total

7085

0.12

0.15

1.5~2.0

0.1

2.1~2.6

0.05

0.05

5.7~6.7

0.05

0.10~0.16

0.05

0.15

Remainder

Alloy	Alloy series	Main features	Σb Value/MPa	Work Temperature/℃
7085	New type alloy	A kind of high strength and high hardenability forging aluminum alloy has been developed since 1990s. 7085 alloy heavy forgings can solve the contradiction between specification hardenability, performance and residual internal stress, and have excellent comprehensive properties, especially in fracture toughness, without the influence of thickness.	510	<125

 

Physical Property of 7010 Alloy
Alloy	Type		Temper	Size/mm	Direction	σb/MPa	σp 0.2/MPa		δ %	KIC OR KC
7085	Aluminum plate		T7651	δ101.62～127.00	L	510		476	7	－
					LT	503		462	5
					ST	483		434	3
				δ127.02～152.40	L	510		476	7
					LT	503		462	4
					ST	483		434	3
				Δ152.42～177.80	L	503		469	6
					LT	503		448	3
					ST	476		434	3

 

Alloy	Temper	Aircraft models	Application parts and typical parts
7085	Aluminum plate：  T7651 Aluminum forgings：T7652	A380	Wing beam