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Pricing Copper Work Without Losing Money On It

September 25, 2026

Copper quotes go wrong in predictable ways, and almost none of them are about cycle time. This is written for whoever in your shop owns the number.

The four lines that sink copper jobs

1. Deburring, carried over from aluminum. This is the big one. Aluminum breaks its chip and copper does not, so a copper part exits with a rolled burr on nearly every edge. On thin sections, cross holes and slots, the hand work can exceed the spindle time. If your estimating template applies a percentage finishing allowance, copper will break it.

Estimate deburring as an operation with its own minutes, per part, based on edge count and access. If the drawing says “burr free” with no dimension, that is not a specification and you should price it as the worst case or ask before quoting.

2. The grade assumption. A drawing that says “copper” is an open question. C11000 and C14500 differ by roughly four times in machinability. If you quote assuming the free-machining grade and the customer wants pure copper, you have given away most of your margin on a misreading.

Quote the grade in writing. If the drawing is silent, state the grade you assumed on the quote itself. Half the time the customer did not care and you have just created the conversation that saves the job.

3. Metal price exposure. Copper is a traded commodity and on many parts the material is the largest single line. Holding a price for six months in a moving market means either you carry the risk or you pad every quote.

Put a validity date on it. On repeat work, split the number: metal in kilograms per part against a stated basis, conversion separately. Customers accept this readily once it is explained, and it stops every price movement being read as an increase.

4. Plating minimums. Plating is outsourced for most shops, comes with a minimum charge and a queue, and on a small order it can be both the largest cost line and the longest lead time item. Quote it as a real outside process with its own minimum, not as a percentage adder.

What to check on the drawing before you price

• Grade, temper and any substitution note. If substitution is open with a stated requirement, you may have a cheaper route the customer will accept.
• Edge condition as a dimension. No dimension means no agreement.
• Which faces have a finish requirement, and which are as machined.
• Plating spec: finish, thickness, plated and masked area, and whether dimensions are before or after plating.
• Cross holes and internal intersections, where the burr is unreachable.
• Thin walls and tall features, where the material will move away from the tool.
• Clamping restrictions. Copper marks. If no face is nominated as grippable, ask.
• Inspection and certification. These are real hours after the parts are cut.

Where the time actually goes

On a feature heavy turned part in pure copper, expect the chip to be your main enemy: nests, re-cutting, intervention. This is the case where suggesting C14500 to the customer can halve your cycle and win you the job at a better margin for both sides.

On a milled part with a fin pack or deep pockets, evacuation and tool reach dominate. Aspect ratio past roughly ten to one is where the numbers stop behaving linearly.

On a plain busbar, you are mostly buying metal and handling it. The machining is minutes and the money is in material, edges and plating.

Quoting practices that hold up

Name your assumptions on the quote. Grade, temper, edge condition, plating scope, inspection level. Five lines. It converts an argument later into a clarification now.

Quote alternatives where they exist. “As drawn in C11000: X. In C14500, meeting your stated 90 percent IACS: 0.6X.” Customers who see that number usually take it, and you have shown you understand the material.

Decline clearly when it is wrong for you. A shop that says “this fin pack wants skiving at your volume, we are not the right supplier” earns more future work than one that quotes it high and hopes. Buyers remember the shop that told them the truth.

Separate material and machining lead time. Free-machining grades and oxygen free copper in specific sizes are thinner on the ground than C110, and the bar can take longer than the parts. See copper machining lead times.

The customer side of the same problem

Most of what makes copper quotes unprofitable is missing information rather than bad intentions. Buyers are not deliberately leaving the edge condition open, they simply do not know it matters.

What buyers get wrong on copper drawings is the companion to this article and is written for them. Sending it to a customer is a faster way to fix an RFQ than another round of email.

If you want copper work that is already filtered

We read copper RFQs and pass them to shops that cut copper regularly, up to three per request. You see a preview with part, grade, envelope, quantity, tolerance and finish before you pay for anything, and you deal with the buyer directly with no commission on the order. The screening we apply is published on how we match, and registration is on the page for shops.

Frequently asked questions

Keep reading

• Tooling and Cutting Parameters That Make Copper Behave
• In-House Deburring for Copper: Methods, Minutes and Pricing