7075 Aluminum alloy CNC machined Fasteners for fixed connectors for outdoor fitness equipment
Scope
Aluminium alloy 7075 is a medium strength alloy commonly referred to as an architectural alloy.It is normally used in intricate extrusions.It has a good surface finish, high corrosion resistance, is suited to welding and can be easily anodised.The T6 and T651 tempers have fair machinability, resistance welding and corrosion resistance ratings. This alloy is heavily utilised by the aircraft and ordnance industries because of its superior strength.
Application
This material is used for architectural applications, shop fittings, irrigation tubing, balustrading, window frames,3C heat dissipation, machinery, automobile, aviation, military, outdoor fitness equipment, outdoor fitness equipment. extrusions and doors.
Supplied Forms
1 Extrusions
2 Tube
3 sheet material
Alloy Designations
Aluminium alloy 7075/7075A also corresponds to: AA7075, Al Mg0.7Si, GS10, AlMgSi0.5, A-GS, 3.32206, ASTM B210, ASTM B221, ASTM B241(pipe-seamless), ASTM B345 (pipe-seamless), ASTM B361, ASTM B429, ASTM B483, ASTM B491, MIL G-18014, MIL G-18015, MIL P-25995,MIL W-85, QQ A-200/9, SAE J454, UNS A96063 and HE19.
Temper Types
The most common tempers for 7075 aluminium are: O - Soft, T4-Solution heat treated and naturally aged to a substantially stable condition andT6 - Solution heat treated and artificially aged.
Fabrication
A:Solderability: Good
B:Weldability - Gas: Excellent
C:Weldability - Arc: Excellent
D:Weldability - Resistance: Excellent
E:Brazability: Excellent
F:Workability - Cold: Average
G:Machinability: Average
7075 Aluminum Alloy: Properties
| General Characteristics | |||||||||
| Characteristic Appraisal | |||||||||
| Strength | High | ||||||||
| Corrosion Resistance | Average | ||||||||
| Weldability & Brazability | Poor | ||||||||
| Workability | Poor | ||||||||
| Machinability | Fair | ||||||||
| Chemical Composition | |||||||||
| Element Minimum % Maximum % | |||||||||
| Silicon | No Min | 0.4 | |||||||
| Iron | No Min | 0.5 | |||||||
| Copper | 1.2 | 2 | |||||||
| Manganese | No Min | 0.3 | |||||||
| Magnesium | 2.1 | 2.9 | |||||||
| Chromium | 0.18 | 2 | |||||||
| Zinc | 5.1 | 6.1 | |||||||
| Titanium | No Min | 0.2 | |||||||
| Other Elements | No Min | 0.05 each, 0.15 in total | |||||||
| Physical Properties | |||||||||
| Property 7075-O 7075-T6, -T651 7075-T73, -T7351 | |||||||||
| Density | 2.81 g/cc | 0.102 lb/in³ | 2.81 g/cc | 0.102 lb/in³ | 2.81 g/cc | 0.102 lb/in³ | ||||||
| Mechanical Properties | |||||||||
| Property 7075-O 7075-T6, -T651 7075-T73, -T7351 | |||||||||
| Tensile Strength | 228 MPa | 33000 psi | 572 MPa | 83000 psi | 505 MPa| 73200 psi | ||||||
| Yield Strength | 103 MPa | 15000 psi | 503 MPa | 73000 psi | 435 MPa | 63100 psi | ||||||
| Modulus of Elasticity | 71.7 GPa | 10400 ksi | 71.7 GPa | 10400 ksi | 72.0 GPa | 10400 ksi | ||||||
| Thermal Properties | |||||||||
| Property | 7075-O | 7075-T6, -T651 | 7075-T73, -T7351 | ||||||
| Coefficient of Thermal Expansion @ 20.0 - 100 °C Temp |
23.4 µm/m-°C | 13.0 µin/in-°F |
23.4 µm/m-°C | 13.0 µin/in-°F |
23.4 µm/m-°C | 13.0 µin/in-°F |
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| Thermal Conductivity | 173 W/m-K | 1200 BTU-in/hr-ft²-°F |
0.960 J/g-°C | 0.229 BTU/lb-°F |
155 W/m-K | 1080 BTU-in/hr-ft²-°F |
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