7075 - GJB 2053A-2008

Grade	7075
Corresponding Standard	GJB 2053A-2008 Specification for aluminium alloys structural sheet for aerospace
Classification	Aluminum and Aluminum Alloys

7075 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cr	Cu	Ti	Zn	Mg	Other Individual	Other Total	More
Minimum Value	-	-	-	0.18	1.2	-	5.1	2.1	-	-	Al余量
Maximum Value	0.5	0.4	0.3	0.28	2	0.2	6.1	2.9	0.05	0.15	Al余量

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

7075 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
0.5~6; No Aluminum Coating	O (Sample and Supply Condition)	≤275	≤145	Gauge L0=50mm ≥10
0.5~1; No Aluminum Coating	Supply Condition O, Sample Condition T62	≥525	≥460	≥7
>1~3.2; No Aluminum Coating	Supply Condition O, Sample Condition T62	≥540	≥470	≥8
>3.2~6; No Aluminum Coating	Supply Condition O, Sample Condition T62	≥540	≥475	≥8
0.5~6; Normal Aluminum Coating	O (Sample and Supply Condition)	≤250	≤140	≥10
>1.6~4; Normal Aluminum Coating	O (Sample and Supply Condition)	≤260	≤140	≤10
>4~6; Normal aluminum coating	O (Sample and Supply Condition)	≤270	≤145	≥10
0.5~1; Normal Aluminum Coating	Supply Condition O, Sample Condition T62	≥485	≥415	≥7
>1~1.6; Normal Aluminum Coating	Supply Condition O, Sample Condition T62	≥495	≥425	≥8
>1.6~3.2; Normal Aluminum Coating	Supply Condition O, Sample Condition T62	≥505	≥435	≥8
>3.2~4; Normal Aluminum Coating	Supply Condition O, Sample Condition T62	≥505	≥435	≥8
>4~6; Normal aluminum coating	Supply Condition O, Sample Condition T62	≥515	≥440	≥8
0.5~1; No Aluminum Coating	T6 (Sample and Supply Condition)	≥525	≥460	≥7
>1.6~3.2; No Aluminum Coating	T6 (Sample and Supply Condition)	≥540	≥470	≥8
>3.2~6; No Aluminum Coating	T6 (Sample and Supply Condition)	≥540	≥475	≥8
0.5~1; Normal Aluminum Coating	T6 (Sample and Supply Condition)	≥485	≥415	≥7
>1~1.6; Normal Aluminum Coating	T6 (Sample and Supply Condition)	≥495	≥425	≥8
>1.6~3.2; Normal Aluminum Coating	T6 (Sample and Supply Condition)	≥505	≥435	≥8
>3.2~4; Normal Aluminum Coating	T6 (Sample and Supply Condition)	≥505	≥435	≥8
>4~6; Normal aluminum coating	T6 (Sample and Supply Condition)	≥515	≥440	≥8

7075 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	7075
2	DIN 1725-1-1983
	7075 AlZnMgCu 1.5 3.4365
3	GB /T 3190-2020
	7075
4	JIS H 4040-2015
	7075 A7075 BE A7075 BD
5	ISO 209-2007
	7075 (AlZn5.5MgCu)
6	GB /T 3191-2019
	7075
7	SAE AMS-QQ-A-250/12-2007
	7075 A97075
8	GJB 1741A-2008
	7075
9	GJB 2053A-2008
	7075
10	GJB 1741-1993
	7075
11	SAE AMS4045M-2000(R2022)
	7075
12	GB /T 32249-2015
	7075
13	GB /T 3880.1-2012
	7075

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