HUASHENG PRECISION · Updated September 11, 2026
6061 vs 7075 Aluminum: Temper, Stock and Part Requirements
Compare the exact alloy, temper and product form before choosing a material for a machined part. Strength, corrosion requirements, joining, finish and stock availability should be reviewed together.
Comparison and drawing review
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| Requirement | What to specify or discuss |
|---|---|
| Alloy and temper | Specify the full designation, such as 6061-T6 or an approved 7075 temper, plus the governing material specification. |
| Stock form | Plate, bar and extrusions can have different applicable requirements. Include thickness, stock condition and required certification. |
| Strength and service | Use design allowables for the applicable temper, thickness and loading conditions; a single typical strength value is not a complete design basis. |
| Finish and joining | State cosmetic requirements, coating, welding or mechanical joining, and whether mixed-alloy parts must look consistent. |
Use material data for the product you will buy
6061 and 7075 identify alloy families, not a single universal set of mechanical properties. Temper, thickness, processing and test direction matter. Compare manufacturer data and the applicable purchasing specification for the intended stock. Do not assume that a value for an extrusion applies unchanged to a machined plate component.
Choose around the assembly
Provide loads, mating components, corrosion environment, joining method and any fatigue requirements. A higher strength figure alone does not establish the best material. Material changes require design approval, particularly where a drawing, customer specification or qualification process controls the selection.
Agree the surface and dimensional requirements
For visible anodized parts, specify the finish, color and acceptance sample when available. Different alloys and batches need not produce identical appearances. Identify critical dimensions after surface treatment, threads that need protection and the faces that matter for assembly. Avoid relying on a generic promise that one alloy always finishes a particular color.
Compare actual quotation options
Where both materials are approved, send the same model, drawing revision, quantity, finish, inspection scope and requested date for each option. Discuss stock availability and permitted alternatives. There is no universal material-price ratio or machining-time saving between the two alloys for every part.
Workshop information
Our company presentation records a 7,000 m² facility in Dongguan, 35 CNC machines and 170 employees. Manufacturing, inspection and any required partner processing are reviewed against the drawing and order requirements.
If a certification or specific document is required, identify its scope before quotation.
Company and equipment informationTechnical references
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