VT machining offers CNC Milling for 3105 Aluminum (UNS A93105 / EN AW-3105), typically supplied H14 / H25. Leaner 3xxx alloy for painted sheet and closures.
CNC Milling Notes for 3105 Aluminum
3105 Aluminum mills well with conventional strategies; finishing passes are planned to meet flatness and finish callouts.
For estimating, a 100 × 100 × 10 mm block of 3105 Aluminum weighs about 0.27 kg.
Starting Parameters for CNC Milling 3105 Aluminum
| Cutting speed (carbide) | 340-850 m/min |
|---|---|
| Feed per tooth | 0.035-0.14 mm |
| Spindle speed, Ø10 mm end mill | 10820-24000 rpm |
| Insert / tool class | ISO N — sharp, polished, uncoated or DLC |
| Coolant | Emulsion or MQL; polished uncoated or DLC tools |
| Thermal growth, 100 mm part, +10 °C | 23.4 µm (CTE 23.4 µm/m·K) |
Starting values for 3105 Aluminum, H14 / H25; optimised on the first article.
3105 Aluminum Data Relevant to CNC Milling
| Equivalent designations | UNS A93105 / EN AW-3105 |
|---|---|
| Key composition | Mn 0.3-0.8%, Mg 0.2-0.8% |
| Typical supply condition | H14 / H25 |
| Hardness (typical) | ~45 HB |
Typical values; we work to your drawing and mill certificate.
How 3105 Aluminum Differs
Leaner 3xxx alloy for painted sheet and closures.
Typical applications: Bottle caps, siding, gutters.
3105 Aluminum vs Similar Grades
| 3105 Aluminum | 3004 Aluminum | 5005 Aluminum | 3003 Aluminum | |
|---|---|---|---|---|
| Key composition | Mn 0.3-0.8%, Mg 0.2-0.8% | Mn 1-1.5%, Mg 0.8-1.3% | Mg 0.5-1.1% | Mn 1.0-1.5% |
| Hardness | ~45 HB | ~60 HB | ~45 HB | ~40 HB |
| Tensile (MPa) | ~170 | ~240 | ~160 | ~150 |
| Typical use | Bottle caps, siding, gutters | Beverage cans, roofing, lamp bases | Architectural panels, anodised enclosures | Cookware, HVAC fins, tanks, panels |
More on CNC Milling Aluminum
Finishing options, quality documentation and general cnc milling guidance for all aluminum grades are on our CNC Milling Aluminum page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Milling 3105 Aluminum
Send a STEP/IGES model or PDF drawing, confirm 3105 Aluminum and its condition (we usually see it supplied H14 / H25), the quantity, critical tolerances and any finish or certificate requirements.
3105 Aluminum in Other Processes
Related
Send the drawing, the 3105 Aluminum condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What tolerances can you hold for CNC Milling 3105 Aluminum?
Achievable tolerances for 3105 Aluminum machining depend on the alloy, geometry and feature size. Milling holds positional and dimensional tolerances to around ±0.01 mm, tighter with precision setups. Exact figures are confirmed against your drawing callouts.
What is the typical lead time and minimum order for CNC Milling 3105 Aluminum?
CNC Milling prototypes for 3105 Aluminum can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
What is CNC Milling 3105 Aluminum and how is it done?
CNC Milling 3105 Aluminum refers to multi-axis milling cutters remove material to produce prismatic features, pockets, slots and contoured 3D surfaces. Applied to 3105 Aluminum — lightweight with excellent machinability — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Why is 3105 Aluminum a good choice for CNC Milling?
3105 Aluminum is lightweight with excellent machinability, which makes it well suited to CNC Milling. We tune the process to the alloy so the finished 3105 Aluminum machining part meets your dimensional and functional requirements.
What surface finish is achievable on 3105 Aluminum with CNC Milling?
Surface finish on 3105 Aluminum is controlled to your specification; we confirm the achievable Ra against your callout.