

Overview
About SD GmbH Klaus Hirsch
Who we are
We have been developing and producing highly complex tube fittings for automobiles for 30 years. Together with our customers, we manufacture individual product solutions for sunroofs, convertible systems or cooling and injection systems that are innovative, reliable and safe. Precision is our guiding principle. It is the engine that drives our employees. It is embodied in every single component that leaves our factory. Quality is our top priority. It is guaranteed by the use of the latest technologies and constant process control and optimization by our 170 qualified employees.
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Irsingen, Germany
Member since 2017
Employees100 - 200
Certificates4
Turnover20 - 50 Mil.
Year of foundation1986
Competencies
Technologies
Wire & Spring Bending
| Technologies | Lotsize | Diameter |
|---|---|---|
Wire bending | 1–10 M | 3–12 mm |
Pipe & Tube Manufacturing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Pipe bending | from 1,000 | from 0 mm | — | — | from 0 mm | — | from 0 mm |
Pipe forming | 1,000–4 M | 40–2,000 mm | — | — | 1–30 mm | — | — |
Laser cutting, tube & section | from 1 | 8–250 mm | 8–250 mm | 8–250 mm | — | — | 0.5–2 mm |
Flange bending, profile bending | 1,000–4 M | — | 1–50 mm | — | — | — | 0.5–4 mm |
Water jet cutting, tube & section | 100–100,000 | 10–200 mm | 10–200 mm | 10–200 mm | 1–25 mm | 0–10 kg | 0.4–2 mm |
Welding
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 1–10 M | 10–1,000 mm | 10–1,000 mm | 10–1,000 mm | — | 0–15 kg | — |
Laser-beam welding | 1–10 M | 10–1,000 mm | 10–1,000 mm | 10–1,000 mm | 5–25 mm | 0–15 kg | — |
Robot welding | 1–10 M | 1–1,000 mm | 1–1,000 mm | 1–1,000 mm | — | 0–15 kg | — |
Spot welding | 1,000–100,000 | — | — | — | — | — | 1–5 mm |
Stud welding | 1,000–1 M | — | — | — | — | — | — |
Tubes and pipes (assembled)
| Technologies | Lotsize | Diameter |
|---|---|---|
Hydraulic pipes | 1–10 M | 2–40 mm |
Assembly
| Technologies | Weight |
|---|---|
Mechanical assembly | 0–15 kg |
Electromechanical assembly | 0–15 kg |
Sheet Metal Processing
| Technologies | Lotsize | Length | Width | Height | Weight | Material thickness |
|---|---|---|---|---|---|---|
Laser cutting 2D | from 1,000 | 300–1,500 mm | 300–1,500 mm | — | — | 0–3 mm |
Laser cutting 3D | 1,000–100,000 | 10–500 mm | 10–500 mm | 10–500 mm | 0–25 kg | 0.5–3 mm |
Cable Preparation
| Technologies | Diameter |
|---|---|
Cable preparation | 0.1–10 mm |
Measuring & Testing
| Technologies | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|
Measuring / testing | 1–1,000 mm | 1–800 mm | 1–400 mm | 1–500 mm | 0–30 kg |
Injection Moulding, Extruding
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Injection moulding | 1–50,000 | 0–50 mm | 0–50 mm | 0–50 mm | 0–0.5 kg |
Assembly Group Manufacturing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Adhesive bonding | 100–100,000 | 1–500 mm | 1–500 mm | 1–500 mm | 1–10 mm | 0–25 kg | 1–10 mm |
Potting of components | 100–10,000 | 1–100 mm | 1–100 mm | 1–100 mm | — | — | — |
Labelling / marking
| Technologies | Lotsize | Length | Width | Height | Diameter |
|---|---|---|---|---|---|
Laser marking / Laser inscription | 1,000–100,000 | 1–1,000 mm | 1–1,000 mm | 1–200 mm | 1–60 mm |
Finishing
| Technologies | Lotsize | Length | Width | Height |
|---|---|---|---|---|
Rotofinishing, barrel finishing | 1,000–100,000 | 1–100 mm | 1–100 mm | 1–100 mm |
Materials
Plastics/synthetic materials
ThermoplasticsHigh performance plasticThermosetsGlass fibre-reinforced plasticCarbon fibre-reinforced plasticParticle reinforced composite materials
Steel
Structural steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Spring steel
Light metals
Aluminium and aluminium alloys
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Industries
Automotive and vehicle construction
Certificates
ISO 9001:2015
ISO 9001:2008
ISO-TS 16949:2009
IATF 16949:2016
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