7075 - GB /T 3191-2019

Grade	7075
Corresponding Standard	GB /T 3191-2019 Extrusion rods and bars of aluminium and aluminium alloys
Classification	Aluminum and Aluminum Alloys

7075 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Bar; d≤200	7075O	O	≥275	≥165	≥10	60
Bar; d≤25	7075T1、T6、T6510、T6511	T62、T6、T6510、T6511	≥540	≥480	≥7	150
Bar; 25<d≤100	7075T1、T6、T6510、T6511	T62、T6、T6510、T6511	≥560	≥500	≥7	150
Bar; 100<d≤150	7075T1、T6、T6510、T6511	T62、T6、T6510、T6511	≥550	≥440	≥5	150
Bar; 150 < d ≤ 200	7075T1、T6、T6510、T6511	T62、T6、T6510、T6511	≥440	≥400	≥5	150
Bar; d≤25	7075T73、T73510、T73511	T73、T73510、T73511	≥485	≥420	≥7	135
Bars; 25<d≤75	7075T73、T73510、T73511	T73、T73510、T73511	≥475	≥390	≥6	135
Bar; 75<d≤100	7075T73、T73510、T73511	T73、T73510、T73511	≥470	≥390	≥6	135
Bar; 100<d≤150	7075T73、T73510、T73511	T73、T73510、T73511	≥440	≥360	≥6	135

① O = annealed ;
② H = work hardened;
③ T6 = solution heat treated + artificial aged;
④ T1 = high temperature molding + natural aged;
⑤ T3 = after solution heat treated, cold processing, and then natural aged to a basically stable;
⑥ T4 = after solution heat treated, natural aged to a basically stable;
⑦ T5 = cooled by high temperature molding, and then artificially aged to a basically stable;
⑧ T7 = after solution heat treated, overaged;
⑨ T8 = after solution heat treated, cold processing , and then artificial aged
◎ d = round rod diameter or thickness of square rod or hexagonal rod, t = square rod or hexagonal rod thickness, unit mm

Approximate Comparison Table Wrought aluminum and aluminum alloy

China	United States		International Organization for Standardization		Germany		European Standard	Australia
ISC	ASTM	UNS	ISO	Numerical Grade	W-Nr.	L-Nr.	EN	Australian Standard AS
7075	7075	A97075	AlZn5.5MgCu	A97075	AlZnMgCu1.5	3.4365 A97075	EN-AW-AlZn5.5MgCu	7075 A97075

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

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!