Why Chalco 7075 aluminum forgings?
Quality could full meet world wide aviation standard
AMS 4126 7075-T6 Forgings
AMS 4131 7075-T74 Forgings
AMS 4141 7075-T73 Die Forgings
AMS 4147 7075-T7352 Forgings
AMS 4139 7075 Forgings (Non-Current)
BS L161 Alloy 7075 Forging Stock and Forgings
BS L162 Alloy 7075 Forging Stock and Forgings
QQ-A-367 Alloy 7075-T6 Forgings
We meet international aviation certification
AS9100
OHSAS 18001
ISO14001
ISO 9001
NADCAP HT
NADCAP NDT
IATP16949
Chalco can ensure that our 7050 aluminum forgings have sufficient strength, toughness, corrosion resistance and reliability in aerospace applications.
Specification for 7075 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） |
Chemical composition of 7075 aluminum forgings
| Element | Composition (wt.%) |
| Aluminum | 90.0-91.4 |
| Zinc | 5.1-6.1 |
| Magnesium | 2.1-2.9 |
| Copper | 1.2-2.0 |
| Silicon | 0.40 max |
| Iron | 0.50 max |
| Manganese | 0.30 max |
| Titanium | 0.20 max |
| Chromium | 0.18-0.28 |
| Other | 0.15 max |
Typical material properties for 7075 aluminium forging
AMS 4126 7075-T6 forgings
| Property | Value |
| Tensile strength | 83 ksi (min) |
| Yield strength | 73 ksi (min) |
| Elongation | 11% (min) |
| Reduction of area | 25% (min) |
AMS 4131 7075-T74 forgings
| Property | Value |
| Tensile strength | 85 ksi (min) |
| Yield strength | 73 ksi (min) |
| Elongation | 9% (min) |
| Reduction of area | 20% (min) |
AMS 4141 7075-T73 die forgings
| Property | Value |
| Tensile strength | 83 ksi (min) |
| Yield strength | 73 ksi (min) |
| Elongation | 8% (min) |
| Reduction of area | 20% (min) |
AMS 4147 7075-T7352 forgings
| Property | Value |
| Tensile strength | 83 ksi (min) |
| Yield strength | 73 ksi (min) |
| Elongation | 9% (min) |
| Reduction of area | 20% (min) |
Application of 7075 aluminum forgings
7075 T6 aluminum alloy aerospace uses
Such as upper and lower wing wall panels and stringers.
7075 T352 aluminum alloy aerospace uses
Aircraft structural components such as fuselages, wings, and tail sections;
Aircraft engine parts such as turbine blades and combustion chambers;
Spacecraft components such as satellites and rockets;
Aircraft equipment and instruments such as compasses and heading indicators.
7075 T73 aluminum alloy aerospace use
Aircraft fittings, gears and shafts, fuse parts, meter shafts and gears, missile parts, regulating valve parts, worm gears and keys.
