7050 is known as the "flying aluminum" due to its outstanding resistance to stress corrosion cracking and excellentpeel resistance. Additionally, 7050 exhibits improved toughness, corrosion resistance, and excellent anodizingperformance.
Instant QuoteIts low sensitivity to quenching allows 7050 to maintain high-strength performance for extended periods, especiallyin thicknesses ranging from 3 to 6 inches, surpassing other high-strength alloys.
It is advisable to avoid conventional welding with 7050, as the welding process can compromise the strength of thealloy.
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Why Chalco 7050 aluminum forgings?
Quality could full meet world wide aviation standard
AMS 4107 7050-T74 die forgings, AMS 4108 7050-T7452 hand forgings, AMS 4201 7050-T7452 die forgings
We meet international aviation certification
AS9100, OHSAS 18001, ISO14001, ISO 9001, NADCAP HT, NADCAP NDT, IATP16949
Meet military standards
MIL-DTL-32341,MIL-DTL-45225,MIL-DTL-46027,MIL-DTL-46083E,MIL-DTL-32375B,GJB 9614-2019,GJB 1540-2021
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Specification of 7050 T74 T7452 T736 aluminum forgings
| FORGING | TYPE | MAX. WEIGHT | MAX. DIMENSION |
| Open Die Forging | Cube | ≤9T | Length≤7000mm, Width≤2000mm, Height≤500mm |
| Disk | ≤5T | Diameter≤2500mm | |
| Ring | ≤5T | Outer diameter of quenching parts≤2500mm, Outer diameter of non-quenching parts≤4000mm, Height≤500mm | |
| Cylinder | ≤5T | Outer diameter 200- 800mm, Length≤2000mm; Outer diameter 801- 2000mm, Length≤1500mm; | |
| Axle | ≤8T | Length≤7000mm, Diameter≤800mm | |
| Backward Extrusion | Forged Pipe | Outer diameter≤830mm, Inner diameter≤650mm, Length≤1800mm | |
| Closed Die Forging | Common Closed Die Forgings | - | PVA≤3.0 ㎡(Diameter≤1950mm) |
| Complex Closed Die Forgings | - | PVA≤1.5 ㎡(Diameter≤1400mm) |
7050 Aerospace Grade Aluminum Machining
Performance of 7050 Aluminum Forgings
| Mechanical behavior | Metric | imperial |
| Hardness, Brinell | 140 | 140 |
| Hardness, Knoop | 177 | 177 |
| Tensile Strength, Ultimate | 524 MPa | 76000 psi |
| Tensile Strength, Yield | 469 MPa | 68000 psi |
| Elongation at Break | 11% | 11% |
| Modulus of Elasticity | 71.7 GPa | 10400 ksi |
| Poissons Ratio | 0.33 | 0.33 |
| Shear Modulus | 26.9 GPa | 3900 ksi |
| Shear Strength | 303 MPa | 44000 psi |
Chemical composition of 7050 aluminum forgings
| Element | Mass Fraction % |
| Aluminum | 86.4-90.0 |
| Zinc | 6.0-7.0 |
| Magnesium | 2.1-2.9 |
| Copper | 1.4-2.0 |
| Manganese | ≤0.10 |
| Chromium | ≤0.04 |
| Titanium | ≤0.06 |
| Germanium | ≤0.06 |
| Strontium | ≤0.03 |
| Any other single impurity | ≤0.05 |
| Total impurities | ≤0.15 |
Physical property for 7050 aluminium forgings
| Physical Property | value |
| Melting Point, °F(°C) | 1060-1180 (571-638) |
| Thermal Expansion, in/in/°F(µm/m/°C) | 13.1*10-6 (23.6*10-6) |
| Electrical Resistivity, µohm-cm | 3.5 |
| Thermal Conductivity, Btu/(ft * h * °F) (W/m * K) | 79.4 (137) |
| Specific Heat, Btu/(lb * °F) (J/kg * K) | 0.24 (1005) |
| Density, lb/in^3 (g/cm3) | 0.101 (2.81) |
| Elastic Modulus, ksi (GPa) | 10.8*10-6 (74.5) |
| Poisson's Ratio | 0.33 |
Melting property requirements for 7050 forgings
| Melting Property | value |
| Solidus Temperature, °F(°C) | 1010 (544) |
| Liquidus Temperature, °F(°C) | 1090 (588) |
| Brazing Temperature Range, °F (°C) | 1125-1175 (607-635) |
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Chalco Aluminum forging product type
Our factory has special planing, cutting, heat treatment, straightening, machining and testing equipment to ensure consistent high quality and fast turnover of forged bar products. Our bar forging products are used in a variety of applications, such as aerospace, defense, infrastructure, mining, nuclear energy, oil and gas, heavy industrial equipment and power generation.
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Forging blockOur custom forged block, not only allow for a near-net shape, but they also have inherent advantagesachieved through the forging process.
High Strength Precision Shapes Improved Material Properties
Forged bar productsOur factory has special planing, cutting, heat treatment, straightening, machining and testing equipment to ensure consistent high quality and fast turnover of forged bar products.
High Strength Good processability Good mechanical properties
Forged aluminum pipeForged aluminum tubes can not only be produced into straight cylindrical shape, but also have an infinitely variable outer diameter and inner diameter. We also provide various wall thicknesses and configurations to meet customer requirements.
High Strength Corrosion resistance Exact dimensions
Forged aluminum ringWhen purchasing hubs and spindles, product integrity is critical often making or breaking a part in the field. Machined castings or hot-rolled machined bars tend to have poor structural integrity or inclusions that lead to problems with cracking and part failure.
High Strength High precision Good internal quality
Hub and tool forgingsWhen purchasing hubs and spindles, product integrity is critical. Machined castings or hot rolled bars often have poor structural integrity or inclusions, leading to cracking and part failure.
High Strength Lightweight Good heat dissipation
Forged step shafts, crankshafts and rotor shaftsOur years of custom forging expertise allow us to manufacture custom forged crankshafts to meet the most exacting specifications. At Chalco, we produce guaranteed sound-centered forged step shafts, crankshafts and rotor shafts with any combination of round, square, rectangle or polygonal dimensions, concentric or eccentric configurations and tapers or custom shapes.
High strength and stiffness good mechanical properties High reliability
If you have any forging needs, please contact us.
Instant QuoteWhat is the difference between 7050 and 7075?
Alloy 7050 exhibits better toughness/corrosion resistance characteristics than alloy 7075. Because it is less quenchsensitive than most aerospace aluminum alloys, 7050 retains its strength properties in thicker sections whilemaintaining good stress corrosion cracking resistance and fracture toughness levels.
7050 Aluminum: 7050 is known for its combination of high strength and toughness. It has slightly better stress corrosion cracking resistance than 7075.
7075 Aluminum: 7075 is known for its exceptionally high strength-to-weight ratio and is often considered one of the strongest aluminum alloys available. It might not have the same level of toughness as 7050 but is still widely used in applications where high strength is crucial.
Instant QuoteGuarantee of Chalco promise
- Surface Quality: no scratches, pits, cracks, or other surface defects that affect the serviceability of theproduct.
- Workability: good formability and machinability.
- Fracture Toughness: minimum KIC of 28 ksi√in (31 MPa√m).
Application of 7050 aluminum forgings
Application of 7050 T74 aluminum forgings
This type of aerospace aluminum forgings has high strength, excellent corrosion resistance and fatigue performance,and is commonly used to manufacture aircraft fuselages, wing-fuselage structures, wing frames, as well as spacecraftand missiles.
Instant QuoteApplication of 7050 T7452 aluminum forgings
Compared to T74 type, this type of aerospace aluminum forgings has better plasticity and toughness, and is usuallyused to manufacture structural components that require high strength, corrosion resistance and fatigue performance,such as aircraft wings, flaps, control surfaces, etc.
To reduce heat treatment stress and prevent quenching deformation
pre-compression should be applied to free forgings after solution treatment and before artificial aging, with apermanent deformation of 1.5%-5.0% to eliminate internal stresses.
The formability of this alloy is similar to that of 7075 aluminum alloy. If the initial forging temperature is toohigh, hot forging is prone to occur, which is unfavorable for the hammer forging process.
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