
Overview
About Sitec Stahl-und Metallbau - Brkic, Brkic & Wiersbowsky GbR
Who we are
SITEC is your experienced partner for steel and metal construction. Our range of services extends from steel construction to railing and fencing systems, to stainless steel processing and doors of all types, which are used particularly in public areas, such as schools and public buildings. Our wide range of services can be found in detail in our portfolio.
Wuppertal, Germany
Member since 2024
Employees20 - 50
Certificates1
Turnover1 - 5 Mil.
Year of foundation2002
Competencies
Technologies
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | 0–6,000 mm | 0–2,500 mm | 0–2,500 mm | 0–1,500 kg |
Machine frames / bases / racks | 100–6,000 mm | 100–2,500 mm | 100–2,500 mm | 0–5,000 kg |
Beam prefabrication | 100–6,000 mm | 100–350 mm | 100–300 mm | 0–1,000 kg |
Welding
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | from 1 | 0–2,500 mm | 0–2,500 mm | 0–2,500 mm | — | 0–500 kg | — |
Inert gas shielded arc welding (TIG) | from 1 | 0–6,000 mm | 0–2,500 mm | 0–2,500 mm | — | 0–1,500 kg | — |
Manual electrode welding | 1–1,000 | 50–6,000 mm | 50–350 mm | 50–300 mm | 10–350 mm | 0–1,000 kg | 2–15 mm |
Assembly
| Technologies | Weight |
|---|---|
Mechanical assembly | 0–2,000 kg |
Mechanical Engineering
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Mechanical engineering | 1–10 | 1,000–3,000 mm | 1,000–3,000 mm | 1,000–3,000 mm | 0–2,000 kg |
Sheet Metal Processing
| Technologies | Lotsize | Length | Width | Material thickness |
|---|---|---|---|---|
Laser cutting 2D | 1–50 | 10–600 mm | 10–400 mm | 0.5–20 mm |
Shearing (rectangular blank/strip) | 1–100 | — | — | 1–10 mm |
Milling
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Milling | 1–500 k | 0–500 mm | 0–350 mm | 0–200 mm | — | — |
Form milling (3 D) | 1–500 k | 10–500 mm | 10–250 mm | 10–100 mm | — | — |
Engraver milling | 1–1,500 | 10–500 mm | 10–350 mm | 2–250 mm | 10–350 mm | 0–400 kg |
Jigmaking
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welding jigs | 200–2,000 mm | 200–3,000 mm | 100–2,000 mm | 0–2,000 kg |
Clamping devices | 100–2,000 mm | 100–3,000 mm | 100–2,000 mm | 0–2,000 kg |
Additive Manufacturing
| Technologies | Lotsize | Length | Width | Height |
|---|---|---|---|---|
3D printing (general) | 1–50 | 5–300 mm | 5–300 mm | 5–400 mm |
Drilling / Sawing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Sawing | 1–10,000 | 5–6,000 mm | 5–300 mm | 10–350 mm | 10–350 mm | — |
Drilling / threading / tapping | 1–10,000 | 5–6,000 mm | 5–300 mm | 10–350 mm | — | 0–1,000 kg |
Materials
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Cast metals
Cast steelCast iron
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Certificates
DIN EN 1090
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