Planning, design, fabrication and erection of steel structures, bridges and halls in Sursee
Mauchle Stahlbau AG
6210 Sursee, SwitzerlandNew on Amplifa
About Mauchle Stahlbau AG
Mauchle Stahlbau AG is a family-owned company based in Sursee (canton of Lucerne) that has been in existence since 1964. The company advises, plans, designs and fabricates steel structures and metal construction work from A to Z in its own office buildings and production halls, including erection on the construction site. The range of services includes steel halls for production, commerce, commercial vehicles and SBB service facilities, sports facilities such as gymnasiums, sports centres and stadiums, steel bridges for roads, pedestrians, railway lines and industrial plants as well as footbridges, platform canopies, roof structures, signal gantries, noise barriers, crane runways, staircase towers and steel platforms. Fabrication is carried out as steel construction using unalloyed, low-alloy and stainless steels in accordance with EN ISO 3834-2; the portfolio also includes welded assemblies, composite slabs and halls with foil cladding. Customers are companies, the public sector and private investors in Switzerland. The company is certified to ISO 9001, ISO 14001 and ISO 3834-2.
- Site
- Sursee
- Processes
- Steel construction – planning, design, fabrication and erection of steel structures and metal, Fusion welding (welding process 135 – MAG), Fusion welding (welding process 136 – MAG with flux-cored wire), Fusion welding (welding process 141 – TIG), Stud welding (welding process 783 – arc stud welding), Design and structural engineering, Planning, Design
- Materials
- Steel (steel structures), Unalloyed steels (material group 1.2), Low-alloy steels (material group 3.1), Stainless steels (material group 8.1/8.2), Mild steel (filigree mild steel structure Koch Park), Steel, Unalloyed steels (CR ISO 15608 Gr. 1.2), Low-alloy steels (CR ISO 15608 Gr. 3.1)
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 3834-2:2021
- Founded
- 1964
- Employees
- 11–50
- Industries
- Construction industry, Sports facilities, Industrial plants, Public sector, Rail transport, Rail transport (SBB)
- 01
Planning and consulting
- 02
Design and structural engineering
- 03
Fabrication in own production halls
- 04
Erection on the construction site
Materials & Welding Processes
Steel
Base material for halls, bridges, sports facilities and special constructions.
Unalloyed steels (CR ISO 15608 Gr. 1.2)
Fusion welding by MAG (135/136), wall thicknesses 3–160 mm.
Low-alloy steels (CR ISO 15608 Gr. 3.1)
MAG welding (135) of wall thicknesses 22–90 mm for load-bearing structures.
Stainless steels (CR ISO 15608 Gr. 8.1/8.2)
TIG and MAG welding of stainless components in accordance with EN ISO 15614-1.
MAG welding (EN ISO 4063)
Main welding process for unalloyed, low-alloy and stainless steels.
MAG welding with flux-cored wire
For unalloyed steels in the thickness range 3–40 mm.
TIG welding
For stainless steels and thin-walled components.
Stud welding (arc stud welding)
Stud diameters 13–22 mm on unalloyed steels in accordance with EN ISO 14555.
Location
Sursee
CHHead office with office buildings and production halls: planning, design, fabrication and erection
- Materials
- Steel, stainless steel
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Steel construction – planning, design, fabrication and erection of steel structures and metalErection | – | – | – | – | Steel |
| Fusion welding (welding process 135 – MAG)Joining | – | – | – | – | Material group 1.2 (unalloyed steels), Material group 2.1, Material group 3.1 (low-alloy steels), Material group 8.2 (stainless steels) |
| Fusion welding (welding process 136 – MAG with flux-cored wire)Joining | – | – | – | – | Material group 1.2 (unalloyed steels) |
| Fusion welding (welding process 141 – TIG)Joining | – | – | – | – | Material group 8.1 (stainless steels) |
| Stud welding (welding process 783 – arc stud welding)Joining | – | – | – | – | Material group 1.2 (unalloyed steels) |
| Design and structural engineeringEngineering | – | – | – | – | Steel |
Additional services
Reference customers
Quality & Certificates
Mauchle Stahlbau AG is certified to ISO 9001:2015 and ISO 14001:2015 (SQS, Reg. No. 41569) as well as to ISO 3834-2:2021 for the fusion welding of metallic materials (Reg. No. 45114). Welding supervision is carried out by a certified welding coordinator (Level S, IWT) with a deputy (Level C, IWE).
| Evidence | Sursee |
|---|---|
| ISO 9001:2015 | |
| ISO 14001:2015 | |
| ISO 3834-2:2021 |
History
- 1964
Foundation of the family-owned company; more than 60 years of planning and design of steel structures.
- 2026
Prix Acier 2026 for the project "Koch Park and Coal Storage Hall" in Zurich as steel construction partner.