Titanium Machined Parts Surface Finishing Guide for Aerospace Suppliers: 2026 Guide No.486

Demand for titanium machined parts in the Czech Republic follows the capital-equipment cycle, and buyers who reserve capacity early avoid the tightest months. It is written for Aerospace Suppliers and covers specification, supplier checks, pricing and the documentation that protects the order.

Surface Finish, Packing and Shipping

Confirm who arranges the export documents and the certificate of origin, because that task is often assumed by both sides. Plan the sailing, not the shipping date: the production calendar should work backwards from the arrival window. Photograph the packed pallet before it leaves the shop; it settles most damage arguments before they start.

Where the Price Actually Comes From

Ask for a cost breakdown by operation; it turns a price argument into a process conversation. Watch the metal index and the energy surcharge, because both move the cost of titanium machined parts during a long programme. Most quotation gaps come from a different material grade, a different finishing route or a different inspection level, not from shop margin. Payment terms are part of the price: a discount paid for with a larger deposit is not a discount.

Material and Machining Basics

A good titanium machined part starts with the grade 5 (Ti-6Al-4V) titanium, so agree the grade, the temper and the certificate before you discuss price. For titanium machined parts, the process matters as much as the material: watch the cutting parameters and coolant strategy. The grade 5 (Ti-6Al-4V) titanium sets the achievable tolerance, the surface finish and the tool life, so it is the first item to write into the specification. Ask for the mill certificate rather than a description of the alloy, because the certificate is the only document that travels with the parts.

Compliance and Traceability

A declaration of conformity should reference the standard and the revision, not just the supplier's name and stamp. Surface treatments and coatings carry their own documentation, so keep the process certificates on file for the programme. Request material certificates, dimensional reports and, where relevant, first article inspection reports with the shipment.

Supplier Selection and Vetting

Find out whether the shop runs a formal first-article process or simply measures the first good part and ships it. Request the process plan and the inspection plan before you pay the deposit, so you can see how the part will be made and measured. Ask the shop how many machines run titanium machined parts and whether your order shares a machine with another customer.

Quality Control and Inspection

Agree the sampling plan and the inspection level in writing, so acceptance is a calculation rather than an opinion. Track the reject rate by characteristic rather than only in total, so you can see whether the process is drifting. For critical programmes, put a dimensional report in the carton so that receiving can verify the lot without opening the packing. Book a first article inspection before the run is released, and require the report to list every dimension against the drawing.

Final Checklist

Freeze, approve, inspect, pack, document. Those five verbs separate a calm programme from an expensive one.