The 7A52 armor plate belongs to the Al-Zn-Mg series heat-treatable and strengthened high-strength aluminum alloy. It has the characteristics of high specific strength, good fracture toughness and low-cycle fatigue resistance. It is used as gun mounts and armor structural parts, etc. It is widely used in the field of weapons industry.
Why choose Chalco 7A52 aluminium alloy sheet for armored vehicles?
Chalco Aluminum can provide high-quality aluminum alloy plates for armor, as well as high-quality technical services in the market, and has a deep knowledge base on how to support customers in meeting future challenges.
Chalco 7A52 aluminium alloy sheet for armored vehicles quality could full meet Aluminum armor sheet plate standard: GJB 1540A-2021 etc. standard.
Chalco's customer reference of aluminum alloy sheet for armor: UKROBORONPROM, ASELSAN, HEAVY INDUSTRIES TAXILA, Raytheon Company, SF Engineering etc.
The Specs of 7A52 aluminium alloy plate for armored vehicles
| Alloy | Temper | Specs unit: mm | ||
| Thickness | Width | Length | ||
| 7A52 | T6 | 5.0-90.0 | 800-3000 | 1000-10000 |
The chemical composition of 7A52 aluminium alloy sheet for armored vehicle
| Element | Composition (%) |
| Si | 0.25 |
| Fe | 0.30 |
| Cu | 0.05-0.20 |
| Mn | 0.20-0.50 |
| Mg | 2.0-2.8 |
| Cr | 0.15-0.25 |
| Ni | - |
| Zn | 4.0-4.8 |
| Ti | 0.05-0.18 |
| Zr | 0.05-0.15 |
| Al | Remainder |
The mechanical properties of 7A52 aluminium alloy sheet for armored vehicle
| Alloy | Supply temper | Sample temper | Thickness mm | Tensile strength Rm MPa | Yield Strength Rp0.2 MPa | Elongation | |
| A50 | A | ||||||
| Not less than | |||||||
| 7A52 | T6 | T6 | 5.0-12.5 | 410 | 345 | 7% | - |
| ＞ 12.5-90.0 | 410 | 345 | - | 7% | |||
| C-ring stress corrosion corrosion test specimen size unit: mm | |
| Sample diameter | Sample thickness |
| 17.78 | 1.42 |
| 19.05 | 1.52 |
| 31.75 | 2.54 |
The anti-ballistic properties of 7A52 aluminium alloy sheet for armored vehicle
| Sheet thickness mm | Bullet model | V25 speed m/s | Shooting distance m | safe cornerα | Effective rounds n |
| 12.0 | Type 53 7.62mm, steel core bullet | 828 +7/-8 | 100 | ≤58° | 5 |
| 15.0 | ≤47° | ||||
| 18.0 | ≤39° | ||||
| 20.0 | Type 53 7.62mm, WO-109C armor-piercing incendiary bomb | 808 +7/-8 | 100 | ≤45° | 5 |
| 25.0 | ≤40° | ||||
| 30.0 | ≤33° | ||||
| 35.0 | Type 54 12.7mm armor-piercing incendiary bomb | 818 +7/-8 | 100 | ≤44° | 5 |
| 40.0 | ≤43° | ||||
| 45.0 | ≤36° |
The allowable deviation of 7A52 aluminium alloy sheet for armored vehicle
| Thickness and tolerance unit: mm | ||||
| Thickness | Thickness tolerances for the following widths | |||
| ＞800-1000 | ＞1000-1500 | ＞1500-2000 | ＞2000-3000 | |
| 5.0 | +0.30/0 | +0.36/0 | +0.46/0 | +0.60/0 |
| ＞5.0-6.3 | +0.48/0 | +0.64/0 | +0.88/0 | +0.88/0 |
| ＞6.3-8.0 | +0.64/0 | +0.80/0 | +1.00/0 | +1.00/0 |
| ＞8.0-10.0 | +0.88/0 | +0.92/0 | +1.16/0 | +1.16/0 |
| ＞10.0-16.0 | +1.10/0 | +1.10/0 | +1.30/0 | +1.44/0 |
| ＞16.0-25.0 | +1.40/0 | +1.40/0 | +1.70/0 | +1.88/0 |
| ＞25.0-40.0 | +1.50/0 | +1.50/0 | +2.00/0 | +2.40/0 |
| ＞40.0-90.0 | +2.00/0 | +2.00/0 | +2.50/0 | +3.00/0 |
| Width and tolerance unit: mm | |
| Width | Width tolerance |
| 800-2000 | +6.0/0 |
| ＞2000-3000 | +7.0/0 |
| Length and tolerance unit: mm | |
| Length | length tolerance |
| 1000-2000 | +7 /0 |
| ＞2000-3000 | +8 /0 |
| ＞3000-4000 | +9 /0 |
| ＞4000-5000 | +10 /0 |
| ＞5000-7500 | +12 /0 |
| ＞7500-10000 | +14 /0 |
| Diagonal tolerance unit: mm | ||
| corresponding length | The following corresponds to the width (W). The deviation of the upper two diagonals is not greater than | |
| 800-1000 | ＞1000-3000 | |
| 1000-3500 | 0.8 x W/100 | 0.7 x W/100 |
| ＞3500-10000 | 1.2 x W/100 | 1.0 x W/100 |
| If the width W is not an integral multiple of 100mm, the value of W/100 in the table shall be the nearest integer greater than the decimal. If the final result is not an integer, the result shall be rounded to the nearest integer. For example: the width is 1250mm, the length is 2800mm, W/100=12.5, 0.7XW/100 should be 0.7×13=9.1mm, then the final result should be 9mm. | ||
| Unevenness unit: mm | ||||
| Thickness | Lateral unevenness, not greater than | |||
| ＞800-1000 | ＞1000-1500 | ＞1500-2400 | ＞2400-3000 | |
| 5.0-16.0 | 6 | 10 | 13 | 15 |
| ＞16.0-40.0 | 4 | 6 | 9 | 10 |
| ＞40.0-90.0 | 4 | 5 | 6 | 8 |
| The longitudinal unevenness of the plate should not be greater than 5mm | ||||
Characteristics of the 7A52 aluminum alloy plate for armored vehicle
High specific strength: 7A52 Aluminum armor sheet plate is a high-specific-strength armor plate that can provide high protection performance while reducing the weight of the armor and improving mobility and usability.
Good fracture toughness: 7A52 Aluminum armor plate is a material with high toughness and fracture resistance. In the application of armor plate, good fracture toughness is very important to maintain integrity and protection performance when subjected to impact or explosion.
Good corrosion resistance: the 7A52 Aluminum armor sheet has good corrosion resistance, and special materials or surface treatment techniques are used to improve its resistance to corrosion and oxidation.
Non-magnetic: 7A52 armor plate is non-magnetic, it uses non-magnetic materials or special treatment methods to reduce or eliminate its magnetism.
Excellent resistance to low cycle fatigue: 7A52 aluminium alloy plate for armored vehicles has excellent low cycle fatigue resistance, which can make the armor plate have higher resistance to crack growth and fracture, thereby prolonging its service life and improving reliability.
Good solderability: 7A52 aluminium alloy sheet for armored vehicles has good weldability, it can effectively weld with other materials, form reliable welds, and maintain good mechanical properties and corrosion resistance.
The usage of 7A52 aluminium alloy sheet for armored vehicle
7A52 aluminum alloy plate is an Al-Zn-Mg armor aluminum alloy developed by China itself. It has the characteristics of high specific strength, good fracture toughness, good corrosion resistance, non-magnetism, and excellent low-cycle fatigue resistance. It has been widely used in armored vehicles. The car body, gun mount, protective unit plate and other components have also been applied in batches in aerospace, rail transit and other fields.
