EN
If you are sourcing custom aluminum parts, the first question on your mind is probably about the budget. So, what is the average CNC machining price for aluminum parts? Based on current market data from machine shops in China, North America, and Europe, a simple aluminum part machined from 6061 stock typically costs $5 to $30 per piece in a batch of 100, while a single prototype of the same part usually lands between $30 and $150. Complex multi-axis aluminum components with tight tolerances can run $80 to $300 or more per piece even at production volumes.
Those ranges are wide for a reason: the final CNC machining price depends on your part geometry, alloy grade, tolerance requirements, batch size, and surface finishing. This guide breaks down realistic aluminum machining prices by scenario, explains what drives the number up or down, and shows you how to get an accurate quote for your specific part.
The table below summarizes typical per-piece prices for machined aluminum parts under common sourcing scenarios. These are market ballparks, not quotations — your actual price depends on the factors covered later in this article.
| Part Scenario | Typical Quantity | Average Price per Piece | Main Cost Drivers |
|---|---|---|---|
| Simple bracket or plate, 3-axis milling, 6061 aluminum | 100+ pcs | $5 – $30 | Cycle time, batch size |
| Small turned aluminum part (shaft, spacer, bushing) | 500+ pcs | $1 – $8 | Bar stock usage, cycle time |
| Prototype aluminum part, standard tolerances | 1 – 5 pcs | $30 – $150 | Setup and programming amortization |
| Medium-complexity housing or enclosure | 50 – 200 pcs | $20 – $80 | Number of setups, pocketing volume |
| Complex 5-axis aluminum component, tight tolerances | 10 – 100 pcs | $80 – $300+ | Machine rate, inspection, fixturing |
| 7075 or hard-alloy part vs. same part in 6061 | Any | +20% to +60% | Material price, slower cutting speeds |
Aluminum dominates the CNC machining world for good economic reasons. Three properties keep its machining cost low compared with stainless steel, titanium, or nickel alloys:
This is why professional aluminum CNC machining services can deliver prototype-to-production parts at prices that are difficult to match with any other structural metal.
Understanding how a machine shop builds your price helps you compare quotes and find savings. Every aluminum machining quote contains the same four cost categories.
Material usually accounts for 20% to 50% of an aluminum part's total cost. The stock price per kilogram matters, but the bigger factor is how much of that stock ends up in the finished part. A part hogged out of a solid billet with deep pockets may convert 80% or more of the purchased material into chips. Choosing a stock size close to the finished envelope, or relaxing thickness where function allows, cuts material spend directly.
Machining cost equals the hourly machine rate multiplied by cycle time, and it is the largest cost component for most aluminum parts. Typical shop rates are $40 to $75 per hour for 3-axis milling, $75 to $150 per hour for 5-axis machining, and $35 to $80 per hour for CNC turning. China-based factories generally quote $25 to $50 per hour for milling work of equivalent precision. Every feature that adds cutting time — deep pockets, thin walls, small corner radii, fine finishes — increases this number.
Each new part needs CAM programming, workholding, tool offsets, and first-article inspection. Setup typically costs $50 to $200 per setup, and it is divided across your batch. That is why a single prototype feels expensive while the 100th piece is cheap: at 10 pieces the setup might add $15 per part; at 500 pieces it adds $0.30.
Anodizing, plating, powder coating, bead blasting, and polishing each add a line item. Type II anodizing on aluminum typically adds $0.50 to $5 per part depending on size and batch. Precision inspection with a CMM adds more for parts with many tight-tolerance dimensions. In total, finishing and quality control usually add 5% to 20% to the base machining cost.
Not all aluminum is priced alike. The alloy you specify affects both stock cost and machining speed:
| Alloy | Relative Stock Cost | Machinability | Typical Use |
|---|---|---|---|
| 6061 / 6061-T6 | Baseline ($3.50 – $8/kg) | Excellent | General brackets, enclosures, fixtures |
| 6082 | Baseline to +10% | Excellent | Structural parts, common in EU supply chains |
| 7075 / 7075-T6 | +50% to +100% vs. 6061 | Good, slower than 6061 | Aerospace, motorsport, high-stress parts |
| 5052 / 5083 | Near baseline | Good | Sheet-based and marine applications |
Unless your part carries high structural loads or needs the strength-to-weight ratio of 7075, 6061-T6 is almost always the most economical choice. Switching an over-specified 7075 bracket to 6061 routinely saves 20% or more with no functional loss.
Batch size is the lever you control most easily. Because setup and programming are fixed costs, the per-piece price drops steeply as quantity rises from one part to roughly 100 parts, then flattens out:
If you expect repeat orders, ordering a larger first batch is often the simplest way to pull the unit price down without touching the design.
Beyond alloy and quantity, four variables explain most of the remaining price difference between two aluminum parts:
Ballpark tables are useful for budgeting, but the only reliable number comes from a quote based on your actual part. To get a fast, accurate quotation, provide your supplier with:
A capable supplier will also run a DFM (design for manufacturability) review alongside the quote, flagging features that inflate cost — oversized tolerances, tight internal radii, unnecessary setups — and suggesting practical alternatives. At ANOK Precision Manufacturing, an ISO 9001:2015 certified factory in Shenzhen, China, every quotation for CNC machining services for aluminum parts includes this kind of engineering feedback. With 50+ machining centers, 3-, 4-, and 5-axis capability, tolerances down to ±0.002 mm, and DFM optimization that routinely reduces design-related cost by around 30%, ANOK helps customers land at the lower end of every price range discussed in this article — without compromising accuracy or surface quality.
For a simple 6061 aluminum part in a batch of around 100 pieces, the market average is roughly $5 to $30 per piece, depending on size, features, and finish. Single prototypes of the same part typically cost $30 to $150 because setup and programming are spread across very few pieces.
Yes. Aluminum 6061 stock costs less per kilogram than most stainless steels and machines three to four times faster, which reduces both the material and machining-time components of your quote. A part that costs $20 in aluminum might cost $35 to $50 in stainless steel and $80 to $150 in titanium, for identical geometry.
Setup, CAM programming, and first-article inspection are fixed costs. On a one-piece order they all land on that single part; on a 500-piece order they may add only a few cents per piece. A prototype-to-production price ratio of three to five times is normal and expected.
Increase the batch size, relax non-critical tolerances to standard levels, choose 6061 over premium alloys where possible, limit cosmetic finishes to visible surfaces, and ask your supplier for a DFM review. Together these steps commonly save 20% to 40% with little or no design change.
The average CNC machining price for aluminum parts ranges from a few dollars per piece for simple turned components at volume to $300 or more for complex 5-axis parts, with most everyday milled aluminum parts falling between $5 and $80 per piece depending on quantity. Material, machining time, setup, and finishing drive every quote, and alloy choice, tolerances, and batch size are the levers you can pull to control them. The fastest way to know your real number is to send your CAD file and drawing to an experienced machining partner for a DFM-backed quotation.