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Boiler works
Numerically controlled machining Design department Maintenance Sheet metal work
Traditional machining Specialist machines New work
Metrology Piping
Balancing Steel Process


With more than 5 workshops for boiler works, sheet metal work and hardware, SEMECA can respond to the needs of a range of clients needing systems and sub-systems of all dimensions. SEMECA also has a specialised workshop for stainless steel (with checks for welding using x-rays) and a qualified team.

 A range of finished products

We produce systems with a wide range of dimensions, both in terms of “Maintenance” and “New work”.

• Mechanically welded systems
• Conveyors, casing, metallic frameworks
• Tools and tool frames
• Storage products (vats, chests, etc.)
• Machined parts


SEMECA produces these elements using different rolling, folding and welding techniques for a range of thicknesses (from a few tenths of a millimetre to 30 mm), in a range of materials.

 Our unique selling points

     • Speed
     • Proactivity
     • A wide range of facilities for a large variety of
       thicknesses and materials
     • Exclusive: cleanroom (stainless steel)

 Our clients
The range of applications is vast. Generally, industrial and construction, and more specifically, the food, chemicals and environment industries are our main fields of collaboration.

 Our resources

 Our machinery

    • Shearing machines up to 4 m and semi-automatic saws
    • Folding presses up to 300 t for dimensions up to 5 m
    • Rollers up to 3 x 20 m stainless steel
    • High definition plasma cutting machines up to 12 x 4 m, max thickness 20 mm for steel, 12 mm for stainless steel and 6 mm
      for aluminium
    • Semi-automatic welding stations including 2 TIG MIG for steel and aluminium
    • Automatic shot blasting machine, 2 m3 and a shot blasting room, 8 x 4 x 4 m
    • Painting rooms up to 22 x 4 x 4 m
    • Lamination line
    • Powder coating line

 Our team

SEMECA has several teams of welders, boilermakers and cutting operators


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