- Building 18, No. 12 Minhong Road, Changhongling Industrial Park, Shishan Town, Nanhai District, Foshan City, Guangdong Province
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They are widely used to manufacture key load-bearing structures such as fuselage skins, stringers, frames, and ribs for wings and empennages， high-performance truck wheel hubs, lightweight armor plates, rivets, fasteners, shafts, gears,etc.
| 2XXX Series Aluminum-Copper Alloy Commonly used grades of 2XXX series hard aluminum include: 2024 (2A12), LY12, LY11, 2A11, 2A14 (LD10), 2017, 2A17, among others. Chemical composition of the 2XXX series aluminum-copper alloy: | ||||||||||||||
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Others | Al | |||||
| Each | Total | |||||||||||||
| 0.50 | 0.50 | 3.8-4.9 | 0.3-0.9 | 1.2-1.8 | 0.01 | 0.25 | 0.15 | 0.15 | 0.15 | ≥92.6 | ||||
| Mechanical and Physical Properties of 2XXX Aluminum-Copper Alloy： Mechanical Properties: Tensile Strength σb (MPa): ≥425 Yield Strength σ0.2 (MPa): ≥275 Hardness (T4 Temper): HB 120 – 145 Elongation: ≥14% Sample Size: Aluminum Plate Note: Mechanical properties are for aluminum plate at room temperature (transverse direction). Tempers for 2XXX Aluminum-Copper Alloy: H112, T4, T351, T6 Grades and Chemical Composition Table of 2XXX Series Aluminum-Copper Alloys for Referance:(Final parameters are subject to actual product testing) | ||||||||||||||
| Grade | Chemical Composition (%) | |||||||||||||
| Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | Ti | Zr | Others | Al | |||
| Each | Total | |||||||||||||
| 2A01 | 0.5 | 0.5 | 2.2~ 3.0 | 0.2 | 0.20~0.50 | — | — | 0.1 | — | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A02 | 0.3 | 0.3 | 2.6~ 3.2 | 0.45~0.7 | 2.0~ 2.4 | — | — | 0.1 | — | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A04 | 0.3 | 0.3 | 3.2~ 3.7 | 0.50~0.8 | 2.1~ 2.6 | — | — | 0.1 | Be: 0.001~ 0.01② | 0.05~ 0.40 | — | 0.05 | 0.1 | Bal. |
| 2A06 | 0.5 | 0.5 | 3.8~ 4.3 | 0.50~1.0 | 1.7~ 2.3 | — | — | 0.1 | Be: 0.001~ 0.005② | 0.03~ 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A10 | 0.25 | 0.2 | 3.9~ 4.5 | 0.30~0.50 | 0.15~0.30 | — | — | 0.1 | — | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A11 | 0.7 | 0.7 | 3.8~ 4.8 | 0.40~0.8 | 0.40~0.8 | — | 0.1 | 0.3 | Fe+ Ni:0.7 | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2B11 | 0.5 | 0.5 | 3.8~ 4.5 | 0.40~0.8 | 0.40~0.8 | — | — | 0.1 | — | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A12 | 0.5 | 0.5 | 3.8~ 4.9 | 0.30~0.9 | 1.2~1.8 | — | 0.1 | 0.3 | Fe+ Ni:0.50 | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2B12 | 0.5 | 0.5 | 3.8~ 4.5 | 0.30~0.7 | 1.2~ 1.6 | — | — | 0.1 | — | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A13 | 0.7 | 0.6 | 4.0~ 5.0 | — | 0.30~0.50 | — | — | 0.6 | —— | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A14 | 0.6~1.2 | 0.7 | 3.9~ 4.8 | 0.40~1.0 | 0.40~0.8 | — | 0.1 | 0.3 | — | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2A16 | 0.3 | 0.3 | 6.0~ 7.0 | 0.40~0.8 | 0.05 | 0.1 | 0.10-0.20 | 0.2 | 0.05 | 0.1 | Bal. | |||
| 2B16 | 0.25 | 0.3 | 5.8~6.8 | 0.20~0.40 | 0.05 | — | —— | V: 0.05~0.15 | 0.08~ 0.20 | 0.10~0.25 | 0.05 | 0.1 | Bal. | |
| 2A17 | 0.3 | 0.3 | 6.0~ 7.0 | 0.40~0.8 | 0.25~0.45 | — | —— | 0.1 | — | 0.10~ 0.20 | 0.05 | 0.1 | Bal. | |
| 2A20 | 0.2 | 0.3 | 5.8~ 6.8 | — | 0.02 | —— | —— | 0.1 | V: 0.05~0.15 B: 0.001~ | 0.07~0.16 | 0.10~0.25 | 0.05 | 0.15 | Bal. |
| 2A21 | 0.2 | 0.20~0.6 | 3.0~ 4.0 | 0.05 | 0.8~ 1.2 | — | 1.8~2.3 | 0.2 | — | 0.05 | — | 0.05 | 0.15 | Bal. |
| 2A25 | 0.06 | 0.06 | 3.6~ 4.2 | 0.50~0.7 | 1.0~ 1.5 | — | 0.06 | — | — | — | — | 0.05 | 0.1 | Bal. |
| 2A49 | 0.25 | 0.8~1.2 | 3.2~ 3.8 | 0.30~0.6 | 1.8~ 2.2 | — | 0.8~1.2 | — | — | 0.08~ 0.12 | — | 0.05 | 0.15 | Bal. |
| 2A50 | 0.7~1.2 | 0.7 | 1.8~ 2.6 | 0.40~0.8 | 0.40~0.8 | — | 0.1 | 0.3 | Fe+ Ni:0.7 | 0.15 | — | 0.05 | 0.1 | Bal. |
| 2B50 | 0.7~1.2 | 0.7 | 1.8~ 2.6 | 0.40~0.8 | 0.40~0.8 | 0.01~0.20 | 0.1 | 0.3 | Fe+ Ni:0.7 | 0.20~ 0.10 | — | 0.05 | 0.1 | Bal. |
| 2A70 | 0.35 | 0.9~1.5 | 1.9~ 2.5 | 0.2 | 1.4~ 1.8 | 0.9~1.5 | 0.3 | — | 0.02~ 0.10 | — | 0.05 | 0.1 | Bal. | |
| 2B70 | 0.25 | 0.9~1.4 | 1.8~ 2.7 | 0.2 | 1.2~ 1.8 | 0.8~1.4 | 0.15 | Pb: 0.05Sn: 0.05Ti+ Zr: | 0.1 | — | 0.05 | 0.15 | Bal. | |
| 2A80 | 0.50~1.2 | 1.0~1.6 | 1.9~ 2.5 | 0.2 | 1.4~ 1.8 | — | 0.9~1.5 | 0.3 | — | 0.15 | — | 0.05 | 0.15 | Bal. |
| 2A90 | 0.50~1.0 | 0.50~1.0 | 3.5~ 4.5 | 0.2 | 0.40~0.8 | — | 1.8~2.3 | 0.3 | — | 0.15 | — | 0.05 | 0.15 | Bal. |
| 2004 | 0.2 | 0.2 | 5.5~ 6.5 | 0.1 | 0.5 | — | — | 0.1 | — | 0.05 | 0.30~0.50 | 0.05 | 0.15 | Bal. |
| 2011 | 0.4 | 0.7 | 5.0~ 6.0 | — | — | — | — | 0.3 | Bi: 0.20~ 0.6 Pb: 0.20~ 0.6 | — | — | 0.05 | 0.15 | Bal. |
| 2014 | 0.50~1.2 | 0.7 | 3.9~ 5.0 | 0.40~1.2 | 0.20~0.8 | 0.1 | — | 0.25 | ③ | 0.15 | —— | 0.05 | 0.15 | Bal. |
| 2014A | 0.50~0.9 | 0.5 | 3.9~ 5.0 | 0.40~1.2 | 0.20~0.8 | 0.1 | 0.1 | 0.25 | Ti+ Zr:0.20 | 0.15 | — | 0.05 | 0.15 | Bal. |
| 2214 | 0.50~1.2 | 0.3 | 3.9~ 5.0 | 0.40~1.2 | 0.20~0.8 | 0.1 | — | 0.25 | ③ | 0.15 | — | 0.05 | 0.15 | Bal. |
| 2017 | 0.20~0.8 | 0.7 | 3.5~ 4.5 | 0.40~1.0 | 0.40~0.8 | 0.1 | — | 0.25 | ③ | 0.15 | — | 0.05 | 0.15 | Bal. |
| 2017A | 0.20~0.8 | 0.7 | 3.5~ 4.5 | 0.40~1.0 | 0.40~1.0 | 0.1 | — | 0.25 | Ti+ Zr:0.25 | — | — | 0.05 | 0.15 | Bal. |
| 2117 | 0.8 | 0.7 | 2.2~ 3.0 | 0.2 | 0.20~0.50 | 0.1 | — | 0.25 | — | — | — | 0.05 | 0.15 | Bal. |
| 2218 | 0.9 | 1 | 3.5~ | 0.2 | 1.2~ | 0.1 | 1.7~ | 0.25 | — | —— | — | 0.05 | 0.15 | Bal. |
| 2618 | 0.10~0.25 | 0.9~1.3 | 1.9~ 2.7 | — | 1.3~ 1.8 | — | 0.9~1.2 | 0.1 | — | 0.04~ 0.10 | — | 0.05 | 0.15 | Bal. |
| 2219 | 0.2 | 0.3 | 5.8~ 6.8 | 0.20~0.40 | 0.02 | — | — | 0.1 | V: 0.05~ 0.15 | 0.20~ 0.10 | 0.10~0.25 | 0.05 | 0.15 | Bal. |
| 2024 | 0.5 | 0.5 | 3.8~ 4.9 | 0.30~0.9 | 1.2~ 1.8 | 0.1 | —— | 0.25 | ③ | 0.15 | — | 0.05 | 0.15 | Bal. |
| 2124 | 0.2 | 0.3 | 3.8~ 4.9 | 0.30~0.9 | 1.2~ 1.8 | 0.1 | — | 0.25 | ③ | 0.15 | — | 0.05 | 0.15 | Bal. |
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