2A70 aluminum alloy bar is a kind of strong heat-resistant aluminum alloy. 2A70 aluminum alloy has high strength, good corrosion resistance and easy processing, and is widely used in aerospace, automobile, electronic equipment, construction and building materials.
Mastar has a powerful inventory system and can provide 2A70 aluminum bars of various sizes. It also supports cutting and customization of various surface treatments to meet the various personalized needs of customers.
Stock sizes of 2A70 aluminum bar
Below are the popular sizes of 2A70 aluminum bars in Mastar's inventory. If you don't find the size you need, please contact us, and we will leverage our extensive stock to provide you with a solution.
| Product | Temper | OD(mm) | Length(mm) |
| 2A70 aluminum bar | H112 | 240mm | 6000mm |
| 2A70 aluminum bar | H112 | 260mm | 6000mm |
| 2A70 aluminum bar | H112 | 270mm | 2600mm |
| 2A70 aluminum bar | H112 | 350mm | 1300mm |
| 2A70 aluminum bar | T1 | 60mm | 6000mm |
| 2A70 aluminum bar | T1 | 80mm | 6000mm |
| 2A70 aluminum bar | T1 | 80mm | 5200mm |
| 2A70 aluminum bar | T1 | 100mm | 6000mm |
| 2A70 aluminum bar | T1 | 110mm | 6000mm |
| 2A70 aluminum bar | T1 | 120mm | 4900mm |
| 2A70 aluminum bar | T1 | 160mm | 6000mm |
| 2A70 aluminum bar | T1 | 200mm | 6000mm |
| 2A70 aluminum bar | T1 | 200mm | 4800mm |
| 2A70 aluminum bar | T1 | 210mm | 4300mm |
| 2A70 aluminum bar | T1 | 210mm | 6000mm |
| 2A70 aluminum bar | T1 | 220mm | 4000mm |
| 2A70 aluminum bar | T1 | 260mm | 6000mm |
| 2A70 aluminum bar | T1 | 270mm | 6000mm |
| 2A70 aluminum bar | T1 | 290mm | 6000mm |
| 2A70 aluminum bar | T1 | 300mm | 1900mm |
| 2A70 aluminum bar | T1 | 300mm | 6000mm |
| 2A70 aluminum bar | T1 | 310mm | 1680mm |
| 2A70 aluminum bar | T1 | 310mm | 6000mm |
| 2A70 aluminum bar | T1 | 320mm | 1600mm |
| 2A70 aluminum bar | T1 | 320mm | 6000mm |
| 2A70 aluminum bar | T1 | 330mm | 1400mm |
| 2A70 aluminum bar | T6 | 20mm | 3300mm |
| 2A70 aluminum bar | T6 | 20mm | 6000mm |
| 2A70 aluminum bar | T6 | 25mm | 6000mm |
| 2A70 aluminum bar | T6 | 30mm | 6000mm |
| 2A70 aluminum bar | T6 | 40mm | 6000mm |
| 2A70 aluminum bar | T6 | 50mm | 6000mm |
| 2A70 aluminum bar | T6 | 60mm | 6000mm |
| 2A70 aluminum bar | T6 | 70mm | 3700mm |
| 2A70 aluminum bar | T6 | 70mm | 6000mm |
| 2A70 aluminum bar | T6 | 80mm | 6000mm |
| 2A70 aluminum bar | T6 | 80mm | 4200mm |
| 2A70 aluminum bar | T6 | 80mm | 5000mm |
| 2A70 aluminum bar | T6 | 90mm | 3600mm |
| 2A70 aluminum bar | T6 | 90mm | 3400mm |
| 2A70 aluminum bar | T6 | 90mm | 6000mm |
| 2A70 aluminum bar | T6 | 100mm | 4300mm |
| 2A70 aluminum bar | T6 | 100mm | 6000mm |
| 2A70 aluminum bar | T6 | 110mm | 6000mm |
| 2A70 aluminum bar | T6 | 130mm | 4000mm |
| 2A70 aluminum bar | T6 | 130mm | 6000mm |
| 2A70 aluminum bar | T6 | 135mm | 6000mm |
| 2A70 aluminum bar | T6 | 140mm | 6000mm |
| 2A70 aluminum bar | T6 | 145mm | 6000mm |
| 2A70 aluminum bar | T6 | 150mm | 5900mm |
| 2A70 aluminum bar | T6 | 170mm | 3400mm |
| 2A70 aluminum bar | T6 | 190mm | 3500mm |
| 2A70 aluminum bar | T6 | 230mm | 6000mm |
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Click to collapseCharacteristics of 2A70 aluminum bar
- 2A70 aluminum bar belongs to a heat-resistant alloy, suitable for use at temperatures between 200-250°C.
- 2A70 aluminum bar has high plasticity in the hot state, with no extrusion effects, and material properties are relatively consistent in all directions.
- 2A70 aluminum bar can be strengthened through heat treatment and has a composition similar to 2A70, but its structure is denser than that of 2A80.
- 2A70 aluminum bar heat resistance and process performance are superior to 2A80.
- 2A70 aluminum bar is classified as a heat-resistant forging aluminum, with good corrosion resistance and machinability.
- 2A70 aluminum bar has good contact welding and roll welding performance, but poorer performance in arc welding and gas welding.
Applications of 2A70 aluminum bar
Aerospace
Structural components: 2A70 aluminum alloy is commonly used to manufacture key structural parts of aircraft, such as fuselage, wings, and spars, due to its excellent strength and lightweight properties.
Spacecraft: Used for the outer shells and frames of spacecraft, meeting high strength and corrosion resistance requirements.
Automotive industry
Frames and chassis: Used in high-strength automotive chassis and frame structures to enhance overall vehicle safety and stability.
Engine components: Suitable for high-strength parts like engine brackets and cylinder blocks.
Military equipment
Weapon systems: Used to manufacture frames and components for various weapon systems, meeting high strength and impact resistance demands.
Armored vehicles: Used as protective structures and chassis materials in armored and other military vehicles.
Machinery manufacturing
High-load mechanical components: Suitable for making critical parts of high-strength machinery, such as structural and supporting elements for heavy equipment.
Mold manufacturing: Used for molds and fixtures due to its good machinability and strength.
Transportation and shipping
Hulls and ship structures: Used in ship structural components, offering good corrosion resistance and strength for marine environments.
Railway transport equipment: Used for key parts of railway vehicles, enhancing transport safety and efficiency.
Electronic and electrical equipment
Heat sinks and enclosures: Commonly used in electronic devices to manufacture heat sinks and enclosures, providing good thermal conductivity and corrosion resistance.
Other applications
High-strength fasteners: Used for making high-strength bolts, nuts, and other fasteners to meet specific environmental needs.
Sports equipment: Applied in high-strength sporting goods and equipment, such as bicycle frames and golf clubs..
Chemical composition of 2A70 aluminum bar
| Elements | Composition(%) |
| Si | 0 – 0.35 |
| Cu | 1.9 – 2.5 |
| Mg | 1.4 – 1.8 |
| Zn | 0 - 0.30 |
| Mn | 0.40 – 0.8 |
| Ti | 0.02 – 0.1 |
| Ni | 0.9 - 1.5 |
| Fe | 0.9 – 1.5 |
| Al | Remainder |
| Other(each) | ≤ 0.05 |
| Other(total) | ≤ 0.10 |
Mechanical properties of 2A70 aluminum bar
| Diameter (d) mm | Marking | Heat Treatment or Condition | Tensile Strength (σb) Mpa | Elongation (δ%) |
| 5 ≤ d ≤ 150 | 2A70H112 | H112 (Delivery Condition) | ≥ 355 | ≥ 8 |
| 5 ≤ d ≤ 150 | 2A70T6 | T6 (Test Condition) | ≥ 355 | ≥ 8 |
| 150 < d ≤ 250 | 2A70 H112 | H112 (Delivery Condition) | ≥ 345 | ≥ 6 |
| 150 < d ≤ 250 | 2A70 T6 | T6 (Test Condition) | ≥ 345 | ≥ 6 |
| 5 ≤ d ≤ 150 | 2A70 O1 | O1 (Delivery Condition) | ≥ 325 | ≥ 6 |
| 5 ≤ d ≤ 150 | 2A70 T6 | T6 (Test Condition) | ≥ 325 | ≥ 6 |
| 150 < d ≤ 250 | 2A70 O1 | O1 (Delivery Condition) | ≥ 315 | ≥ 5 |
| 150 < d ≤ 250 | 2A70 T6 | T6 (Test Condition) | ≥ 315 | ≥ 5 |
- O1: Preheat-treated temper (see Appendix A1 of this standard); suitable only for various aluminum alloy bars that require ultrasonic inspection.
- H112: Work-hardened to 1/4 hard; suitable for hot-formed products with specified mechanical performance requirements.
- T6: Solution treatment + artificial aging; suitable for products that undergo solution heat treatment without further cold working.
Processing technology of 2A70 aluminum bar
Extrusion: The aluminum alloy is heated to a certain temperature and then extruded through a press to achieve the desired cross-sectional shape. This process is suitable for producing aluminum alloy profiles, tubes, and special parts with complex cross-sections.
Precision cutting: Tools such as saws and torches can be used for precise cutting of 2A70 aluminum alloy. This method is suitable for producing parts with specific lengths or shapes.
Machining: Using equipment like lathes, mills, and drill presses, 2A70 aluminum alloy is machined through cutting, drilling, milling, and turning. Machining is typically used to manufacture parts with complex shapes and high precision requirements.
Die casting: Molten aluminum alloy is injected into metal molds, forming the desired part shape through pressure and cooling. Die casting is commonly used for mass production of parts with complex shapes, such as automotive components and electronic product housings.
Forging: The 2A70 aluminum bar is heated to a specific temperature, and pressure is applied to deform it into the desired shape. Forging can enhance the material's strength and wear resistance and is often used for producing parts requiring high strength and toughness.
Why choose Mastar?
Customized services: offering a variety of specifications and surface treatments to meet personalized customer needs.
Comprehensive certification: all products are certified to international standards such as iso and ce, ensuring reliable product quality.
Fast delivery: ample inventory allows for short delivery times, accommodating urgent order requirements.
Quick response: rapidly addressing customer inquiries and quotes, providing the most competitive prices.
Price updates: real-time updates on pricing based on international aluminum market prices, keeping customers informed of the latest prices.
Free samples: all samples are provided free of charge, allowing customers to test before placing orders.
Mastar 2A70 aluminum bar purchasing guide
Before purchasing 2A70 aluminum bars from Mastar, please confirm the sizes and quantities you need. Then, contact our customer service team, and we will provide you with the highest quality products at the most competitive market prices..
2A70 aluminum bar price
2A70 aluminum bar price: (LME ingot price + processing fee) × weight + packaging fee + shipping fee.
Please contact Mastar for pricing and the processing fee per ton for various specifications of aluminum bars. The processing fees for different sizes of 2A70 aluminum bars may vary significantly, and we will provide you with the best quotation.
2A70-T6 aluminum bar is the most commonly ordered condition.
2A70 aluminum bar appearance quality
- The surface of 2A70 round bars, square bars, and hex bars must be free from cracks, bubbles, and corrosion spots.
- The thickness of 2A70 round bars, square bars, and hex bars must not exceed the allowable deviation range.
- The surface of 2A70 round bars, square bars, or hex bars must not have deep scratches, wear, dents, or straightening marks that exceed the deviation range.
2A70 aluminum bar packaging
- Plastic or kraft paper packaging, including moisture-absorbing desiccants.
- Mounted on wooden pallets, secured with steel straps, and provided with a fumigation certificate.
- Complies with GB/T 3199 standards.
- Packaging can be customized according to other customer requirements.
