2618 - GB /T 3191-2019

Grade	2618
Corresponding Standard	GB /T 3191-2019 Extrusion Rods and Bars of Aluminium and Aluminium Alloys
Classification	Aluminum and Aluminum Alloys

2618 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Bar; d≤150	2618T1、T6、T6511	T62、T6、T6511	≥375	≥315	≥6
Bar; 150<d≤250	2618T1	T62	≥365	≥305	≥5
Bar; d≤150	2618T8、T8511	T8、T8511	≥385	≥325	≥5

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	Japan	United States		International Organization for Standardization		Germany
GB	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN
2618	2618 A92618	2618	A92618	AlCu2Mg1.5Ni	A92618	EN-AW-AlCu2Mg1.5Ni

2618 Corresponding Standards(Same grade name, different standards)

1	GB /T 3190-2008
	2618
2	GB /T 3190-2020
	2618
3	GB /T 3191-2019
	2618

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