Grade 2024
Corresponding Standard GB /T 3191-2019
Extrusion Rods and Bars of Aluminium and Aluminium Alloys
Classification Aluminum and Aluminum Alloys
2024 Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Bar; d≤200, t≤150 2024O O ≤250 ≤150 ≥12 47
Bar stock; d≤50 2024T3 T3、T3510、T3511 ≥450 ≥310 ≥8 120
Bar; 50<d≤100 2024T3 T3、T3510、T3511 ≥440 ≥300 ≥8 120
Bar; 100<d≤200 2024T3510 T3、T3510、T3511 ≥420 ≥280 ≥8 120
Bar stock; 200<d≤250 2024T3511 T3、T3510、T3511 ≥400 ≥270 ≥8 120
Bar; d≤150 2024T8 T8、T8510、T8511 ≥455 ≥380 ≥5 130
Bar; 150<d≤250 2024T8 T8、T8510、T8511 ≥425 ≥360 ≥5 130
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
1 Approximate Comparison Table Wrought Aluminum and Aluminum Alloy
China Japan United States International Organization for Standardization Germany European Standard
GB JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN
2024 2024
A92024
2024 A92024 AlCu4Mg1 A92024 AlCu4Mg2 3.1355
A92024
EN-AW-AlCu4Mg1
2 Approximate Comparison Table Wrought Aluminum and Aluminum Alloy
China United States International Organization for Standardization Germany European Standard Russia
GB ISC ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN GOST
2A12
(LY12)
2024 2024 A92024 AlCu4Mg1 A92024 AlCu4Mg2 3.1355
A92024
EN-AW-AlCu4Mg1 Д16/160

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