7049A - GB /T 3191-2019

Grade	7049A
Corresponding Standard	GB /T 3191-2019 Extrusion rods and bars of aluminium and aluminium alloys
Classification	Aluminum and Aluminum Alloys

7049A 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≤100	7049AT6、T6510、T6511	T6、T6510、T6511	≥610	≥530	≥5	170
Bar; 100<d≤125	7049AT6、T6510、T6511	T6、T6510、T6511	≥560	≥500	≥5	170
Bar; 125<d≤150	7049AT6、T6510、T6511	T6、T6510、T6511	≥520	≥430	≥5	170
Bar; 150<d≤180	7049AT6、T6510、T6511	T6、T6510、T6511	≥450	≥400	≥3	170

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

7049A Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	7049A
2	GB /T 3190-2020
	7049A
3	JIS H 4040-2015
	7049A A7049A BE A7049A BD
4	GB /T 3191-2019
	7049A

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