How to price material when the market moves under you
You quote 1215 cold drawn in March at the price your supplier gave you that week. The award lands in June. First release ships in September, the program runs 6 years, and nobody mentions steel again until an invoice does not match the standard cost.
Every other line on a quote is under your control. Material is the one you buy from somebody who is buying it from somebody else, and how to price material when the market moves is a commercial decision rather than an estimating one. Figures below are illustrative.
Firm prices against indexed ones
A firm price says the number does not move for a stated period, and somebody is carrying that promise. On a short lead time part with a 30 day validity, that somebody is effectively nobody, because the exposure window is too short to matter.
On a 6 year program quoted firm, it is you. The customer has transferred market risk to the supplier, and unless the margin explicitly prices that transfer, it was transferred for free.
An indexed price says the material component moves with a published reference. Labour, overhead and margin stay fixed, the material line adjusts on a schedule, and the risk sits with whoever it naturally belongs to.
The trade is administrative work against exposure. Indexing means a recalculation every quarter, an agreed source and a conversation each time. Firm pricing means none of that and a position you cannot exit.
What you actually price material against
Index the right number, which is not the price per pound on the mill sheet. The material line is the delivered cost of the stock you consume per good piece, and 3 things stand between the 2.
Yield is the first. If you buy bar and the drop is 8 percent, the price per usable inch is above the price you were quoted, and indexing the mill price alone indexes part of the number.
Freight and processing are the second. Cut to length, centreless ground or saw cut bar arrives at a different cost from mill length, and those services do not always move with the metal price.
The third is the scrap credit. Machining from billet generates chips with a resale value that also tracks the market, partially offsetting a rise. On a part removing 14 pounds to make 6, that offset is not trivial and it is usually forgotten.
How a quarterly index clause actually works
The mechanics are simple and the arguments are all in the definitions. Agree a published index, a baseline date and value, a review frequency, and a formula converting a movement in the index into a movement in the piece price.
The formula only touches the material component. If material is $0.240 of a $1.014 cost and the index rises 10 percent, the piece price moves by $0.024 rather than by 10 percent, which is the point most disputes turn on.
Index the component, not the price.
Four details decide whether the clause is worth having. Which index, named specifically rather than described. What lag, because the figure you read in January reflects transactions from December. What threshold, so a 0.4 percent move does not trigger paperwork. And whether it moves both ways.
That last one matters more than suppliers expect. A clause that only rises will not be signed. A symmetrical clause gets accepted, and in a falling market it is the mechanism that lets you give a reduction without touching margin, which is a better position than a price-down conversation with no structure behind it.
What happens between the quote and the award
The gap between sending a number and receiving an order is unpriced risk and it is often months. A quote is a firm offer for its validity period. If that period is 90 days and the award arrives on day 80, you are committed at March’s material price.
Write the validity period on every quote and make it short enough to mean something. Thirty days is normal on volatile material, and a customer needing longer can be given longer in exchange for a stated material assumption.
The stronger version names the assumption explicitly. Quoting at a stated material price, with a clause saying the number is confirmed at order placement, moves the conversation from an argument to an arithmetic check. Most professional buyers accept it because their own suppliers do the same to them.
None of this helps if purchasing does not buy when the order lands. A quote held firm and material bought 3 months later is exposure created internally, and it is worth agreeing who covers the window between award and purchase.
Validity is a position, not a formality.
There is a version of this that catches suppliers on long programs. A blanket order placed once, with releases called off against it for 6 years, fixes the price at the date of the blanket rather than the date of each release. If the material clause lives in the release and the price lives in the blanket, the clause does nothing.
Read which document carries the price. On most customer systems it is the blanket, and any indexing has to be written into that same document to have effect. The same care applies to the operations built on top of it, which is why a machined part build-up keeps material on its own line rather than folded into a total.
What you are carrying on a 12 month firm price
Put a number on it rather than treating it as a feeling. On the worked part, material is $0.240 against a $1.014 cost and a $1.410 sell, so the margin is $0.396 a piece.
An illustrative 15 percent rise in bar over 12 months adds $0.036 to material. Against $0.396 of margin that is a 9 percent reduction in margin on every piece, and at 1,200,000 pieces a year it is $43,200.
Write the exposure down as a figure.
That is the size of the position. It is not catastrophic and it is not nothing, and once it exists as a number the decision about whether to index becomes a normal commercial judgement rather than an instinct.
Minimum buys, mill lead times and the rest of it
The mill does not sell you 9,000 pounds because your program needs 9,000 pounds. If the minimum is 20,000, you are either buying more than you need at a good price or buying from a service centre at a worse one.
Both are legitimate and they produce different material lines. Buying the mill minimum means carrying inventory and its cost of capital for months. Buying from a service centre means a higher price per pound with no carrying cost and no exposure to a program that never ramps.
Lead time decides how early the decision has to be made. A 10 week mill lead time on a program with a 12 week launch means the buy happens before the first release quantity is confirmed, which is another position somebody is carrying.
The same discipline that puts a stated volume on a tooling amortisation applies here. Write down which buying route you priced, at what quantity, and the conversation when the program moves is arithmetic rather than an argument about what everybody assumed.