Seven sectors. Proof in each one.

Mining

Crusher and wear parts.

• Crusher mantles, bowl liners, mill liners
• Wear castings and ground-engaging components
• Structural weldments for crushing and screening plant
• Machined off-highway drivetrain and frame components

Materials

Manganese steels, HARDOX, 42CrMo4, structural and high-strength steels.

Proof

Castings from our network run in major mining and off-highway machines in the field today. Network production, named on the proof page. Audit-grade traceability, EN 10204 3.1 documentation standard.

Energy: wind, hydro, power generation

Heavy structures for wind. Rotors for hydro and power generation.

• Heavy ductile iron (GJS) structures: hubs, mainframes, housings
• Wind: ring forgings, flanges and machined rings for drivetrains, yaw and pitch systems
• Hydro turbine components: shafts, covers, distributor parts
• Hydromechanical weldments: radial and flat gates, stop logs, liners, draft tube and penstock sections (quoted in the hydro qualification track), segmented for transport
• Power generation: turbine-class rotors and heavy shafts, machined and finished
• Open-die forged shafts on project basis via qualified EU partner presses
• Heavy machining to 50 t, 0.03 to 0.05 mm form-position

Materials

S355 structural plate, P355 pressure grades and high-strength steels for weldments. Ductile iron grades on project basis via long-term EU foundry partners, cast steels, 42CrMo4, stainless and duplex. Stainless overlay on cavitation zones per specification.

Proof

Live quotation work on turbine-class rotor machining for an energy OEM, and an active supplier-qualification invitation from a Tier 1 hydro OEM for welded hydromechanical components, both 2026. Names under NDA. Casting, forging, machining and EN 10204 3.1 documentation for energy components run under one Stratosteel contract today. Wind, hydro and power-generation Tier 1 OEMs in this sector are targets and are labeled as targets on our proof page.

Marine

Propulsion and deck machinery part families, ready.

• Propulsion castings: housings, hubs, nozzles
• Deck machinery: winch and handling components
• Machined shafts and housings, single piece to 50 t
• Class documentation path, EN 10204 3.1 baseline

Materials

Steel and ductile iron castings, stainless, duplex, 42CrMo4.

Proof

Four active Tier 1 qualification tracks under NDA (marine, wind, rail, hydro), 2026. Names stay confidential. Part families and documentation routes are prepared, not theoretical.

Rail

Axles, bogie and brake components.

• Axles and forged rotating parts
• Bogie components, cast and machined
• Brake system components, castings with full UT
• Serial machining of safety-relevant parts

Materials

42CrMo4, ductile iron grades, structural steels. EN 10204 3.1 standard, 3.2 on request.

Proof

Live RFQ work in rolling stock components. Quoting and technical clarification in progress, name under NDA. Rail-grade documentation and NDT are standard scope for us, not an upgrade.

Defence

Serial precision manufacturing under NDA.

• Serial precision-machined components, 5-axis, IT6
• Program ramp-up: serial ramp agreed per program
• Full dimensional reporting, CMM trace per batch
• EU-first production, melt-and-pour origin documentation

Materials

5-axis machining to IT6, CMM trace per batch. Material certificates EN 10204 3.1.

Proof

Serial defence component program, 10 000+ units per year. Running now. Customer name under NDA.

Heavy equipment + forestry

Serial weldments that survive the field.

• Welded and machined booms, frames and attachments
• Serial weldments to 10 t at the Slovak core, EN ISO 3834-2
• High-strength steel structures, machined after welding
• To 64 t x 45 m via certified partner, EN 1090-2 EXC3 with the fabricating unit

Materials

S690QL, S960QL, HARDOX, 42CrMo4, structural steels.

Proof

6-year serial program for an Austrian forestry equipment OEM: welded structures, machined frames, sub-assemblies, 600+ parts per machine, one contract. Same customer, same program, running. Name disclosed under NDA.

Oil & gas

Machined components for pressure and flow.

• Flanges, pipe and sleeve sets, valve and pump bodies
• High-tolerance machined cylinders and housings
• Heavy machining to 50 t, 0.03 to 0.05 mm form-position
• Corrosion-resistant grades, full NDT and traceability

Materials

Stainless and duplex, 42CrMo4, alloy and carbon steels. EN 10204 3.1 standard, 3.2 on request.

Proof

Precision-machined oil and gas components run through our network today: flanges, pipe and sleeve sets, inspected cylinders. Network production, EN 10204 3.1 documentation, NDT to specification.

Aerospace

Five-axis structural and housing parts.

• Machined structural chassis and frame components
• Housings, brackets and fixtures to IT6
• Long-bed five-axis work, envelope 6.5 x 3.5 x 1.4 m
• Dimensional report with CMM trace on every batch

Materials

Aluminium alloys, stainless, high-temperature grades.

Standard

AS 9100D is held by the assigned five-axis unit in the network, named with its certificate at qualification. Stratosteel holds the contract and the documentation package.

Food & beverage

Stainless moulds and process components.

• Multi-cavity moulds, machined and polished
• Process components in food-contact stainless
• Fixtures, plates and change parts for filling lines
• Surface finish agreed per drawing, documented per batch

Materials

AISI 304 and 316L stainless, food-contact grades.

Proof

Mould and process-component work runs in the network today. Documentation follows the same rule as heavy parts: EN 10204 3.1 as standard, dimensional report on critical features.