6063 LD31 - GB /T 3191-2019

Grade	6063
Old Grade
Corresponding Standard	GB /T 3191-2019 Extrusion rods and bars of aluminium and aluminium alloys
Classification	Aluminum and Aluminum Alloys

6063 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≤150	6063O	O	≤130		≥18	25
Bar; d≤150	6063T4	T4	≥130	≥65	≥14	50
Bar; 150 < d ≤ 200	6063T4	T4	≥120	≥65	≥12	50
Bar; d≤200	6063T5	T5	≥175	≥130	≥8	65
Bar; d≤150	6063T6	T6	≥215	≥170	≥10	75
Bar; 150 < d ≤ 200	6063T6	T6	≥195	≥160	≥10	75

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

6063 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	6063 (LD31)
2	GB /T 3190-2020
	6063 (LD31)
3	JIS H 4040-2015
	6063 A6063 BE A6063 BD
4	GB /T 3191-2019
	6063 (LD31)
5	GJB 2662A-2008
	6063 (LD31)
6	GB /T 3880.1-2012
	6063 (LD31)

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