Laser cutting steel cost — what determines the price
The question about the price of laser cutting never gets a single number from any workshop — and it’s not an evasion. Two parts with identical outer dimensions can differ in cost several times over, because price is driven not by sheet area but by how much work the machine has to do. Below is a breakdown of the factors that actually matter in the quote.
Material and grade
Stainless steel costs noticeably more than mild steel — and this is usually the largest single item in the quote. Within stainless itself the price also varies: V4A is more expensive than V2A because it contains molybdenum and more nickel — and these additions determine the monthly alloy surcharge that distributors add to the price. For the same reason a quote from six months ago may already be outdated.
The second question is who supplies the material. We work with both our own stock and material provided by the customer — when material is supplied, the entire purchasing line disappears from the quote and only the processing remains.
Thickness
The thicker the material, the slower the cut and the more technical gas the process consumes. The cost increase is not linear — moving from thin sheet to 15 mm or more changes the price more than the thickness difference alone would suggest. We cut stainless steel up to 50 mm.
Cutting path length, not part area
This is the most common misunderstanding in quotations. The machine does not count how much sheet the part occupies, only how many centimetres of edge it has to travel. A 200×200 mm square has 80 cm of perimeter. The same square with an openwork pattern can have several metres of paths — and therefore several times longer machining time.
That is why perforations, technical cut-outs and decorative patterns raise the price far more than their size would suggest.
Number of holes
Each hole is a separate pierce — the moment the beam must stop, pierce the sheet and then follow the contour. A part with fifty mounting holes is more expensive than the same part without them, even if the material removed is negligible.
Batch size
Program preparation and nesting parts on the sheet is a fixed cost, independent of quantity. For one piece it is spread over one unit, for two hundred it is spread over two hundred. Hence the unit price for a series is often many times lower than for a prototype.
This has a practical implication: if you know the part will be repeated, mention it at the first enquiry — the quote may look completely different. Repeat orders are handled through serial production.
Post-cutting processing
A part straight from the laser has burrs on the edges. Deburring and edge rounding is a separate operation — sometimes unnecessary when the part goes on to further processing, sometimes essential when it goes directly to assembly or operator contact.
Likewise subsequent stages: bending and welding are separate line items. It is still worth ordering them together with cutting — one supplier instead of three means a shorter supply chain and fewer places where dimensions can drift.
Required accuracy and documentation
For most industrial applications we work to ±0.1 mm accuracy, which is usually enough for the part to go straight to bending or welding. If acceptance requires a 3.1 mill certificate according to EN 10204, it must be stated at the enquiry stage — the document refers to a specific material batch.
What to send to receive a binding quote
- file in DWG, DXF or STEP format; at an early stage a dimensioned sketch is sufficient
- material and thickness — or a description of the environment in which the part will operate
- quantity and whether the order is expected to repeat
- scope of post-cutting processing
- whether a 3.1 certificate is required
A clean file speeds up quoting: double lines, open contours and overlapping elements must be corrected before programming, and that takes time.
Machine parameters and materials are described on the laser cutting of steel and sheets page. A broader overview of processing can be found in the services section.