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Contract manufacturing and metal construction in steel, stainless steel and aluminium – from sheet metal working to steel construction

Wittberger Logo

Metallbau Wittberger GmbH

Carl Auer von Welsbach Straße 12, 4614 Marchtrenk, AustriaNew on Amplifa

2001Founded
1200 m²Production hall in Marchtrenk (since the 2012 extension)
EN 1090 EXC 2 · EN 15085 CL2Certifications since 2014

About Metallbau Wittberger

Metallbau Wittberger GmbH is a family-owned metalworking company in Marchtrenk, Upper Austria, active in metal and mechanical engineering since 2001. Its range of services extends from sheet metal working to structural steelwork: The company manufactures components and constructions in steel, stainless steel and aluminium according to drawing or plan, in particular as contract manufacturing for industrial customers. A dedicated production area specialising in stainless steel processes grades 1.4301, 1.4404 and 1.4571; surfaces can be ground (workpieces up to 6 m in length), glass bead blasted, hot-dip galvanised, electro-galvanised, painted or powder coated. In addition to contract manufacturing for industrial customers and mechanical engineering, the company offers railing, staircase and balcony construction as well as canopies and terrace roofing with VSG laminated glass. Since 2014 the company has been certified to EN 1090 EXC 2 and EN 15085 CL2 and produces on approximately 1200 m² of production space.

Site
Marchtrenk
Processes
Contract manufacturing steel (steel construction, sheet metal working to steel structures), Hot-dip galvanising, Electro-galvanising, Painting, Powder coating, Contract manufacturing stainless steel, Belt grinding (surface grinding), Glass bead blasting
Materials
Steel, Stainless steel, Aluminium, 1.4301, 1.4404, 1.4571, Stainless steel 1.4301 / 1.4404 / 1.4571, Belt grinding
Certificates
EN 1090 EXC 2, EN 15085 CL2
Founded
2001
Industries
Contract manufacturing for industrial customers, Mechanical engineering, Railing, balcony and roofing construction for private customers, Industrial customers (contract manufacturing), Private customers (railing construction, stainless steel processing,
  1. 01

    Construction according to drawing/plan

  2. 02

    Sheet metal working and steel construction

  3. 03

    Surface treatment (grinding, glass bead blasting, galvanising)

  4. 04

    Assembly and delivery

Materials & Processes

St

Steel

From sheet metal working to steel constructions, on request with corrosion protection (hot-dip galvanising, electro-galvanising) or painting/powder coating.

VA

Stainless steel 1.4301 / 1.4404 / 1.4571

Common stainless steel grades are standard stock and can be processed within a few working days.

Al

Aluminium

Lightweight constructions such as covers, claddings and plant components.

Schliff

Belt grinding

Surface grinding of workpieces up to 6 m in length for a clean stainless steel look.

Glasperlstrahlen

Glass bead blasting

Glass bead blasted stainless steel parts on request.

Locations

Marchtrenk

AT

Production facility with office building (headquarters)

Materials
Steel, stainless steel (1.4301, 1.4404, 1.4571), aluminium
  • Belt grinding machine (workpieces up to 6 m in length)

Industries

Contract manufacturing for industrial customersMechanical engineeringRailing, balcony and roofing construction for private customersIndustrial customers (contract manufacturing)Private customers (railing construction, stainless steel processing,

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Contract manufacturing steel (steel construction, sheet metal working to steel structures)Joining––––Steel
Hot-dip galvanisingSurface––––Steel
Electro-galvanisingSurface––––Steel
PaintingSurface––––Steel
Powder coatingSurface––––Steel
Contract manufacturing stainless steelJoining––––1.4301, 1.4404, 1.4571
Belt grinding (surface grinding)Surface–6 m––Stainless steel
Glass bead blastingSurface––––Stainless steel
Contract manufacturing aluminium (covers, claddings, plant components)Joining––––Aluminium
Railing and staircase constructionAssembly––––Stainless steel, Steel
Balcony and roofing construction (canopies, terrace roofing incl. glass covering, VSG)Assembly––––Stainless steel

1 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Belt grinding machine––Workpieces up to 6 m in length–Marchtrenk

Additional services

Contract manufacturing steelContract manufacturing stainless steelContract manufacturing aluminiumSheet metal workingSteel construction/steel structuresCorrosion protection (hot-dip galvanising, electro-galvanising)Painting / powder coatingBelt grinding/surface grinding (up to 6 m in length)Glass bead blastingBalcony, canopy and terrace roofing construction (incl. VSG glass)Railing and staircase constructionCarports, fences & doorsConstruction according to drawing/plan

Quality & Certifications

Production is certified to EN 1090 EXC 2 (steel construction) and EN 15085 CL2 (welding in rail vehicle construction). A dedicated stainless steel production area, purpose-matched machinery and trained staff ensure workpiece quality.

EvidenceMarchtrenk
EN 1090 EXC 2
EN 15085 CL2

Company History

  1. 2001

    Foundation of the sole proprietorship by Gerald Wittberger in Schafwiesen, Wels; contract manufacturing for industrial customers as well as railing construction and stainless steel processing for private customers.

  2. 2002

    Due to strong order volume, the first employees are hired.

  3. 2005

    Conversion into Metallbau Wittberger GmbH in October.

  4. 2006

    Move to the new production facility with office building in Marchtrenk.

  5. 2012

    Expansion of the production hall from 900 m² to 1200 m².

  6. 2014

    Certifications EN 1090 EXC 2 and EN 15085 CL2; expansion of the contract manufacturing business segment.

  7. 2018

    DI (FH) Alexander Wittberger officially takes over the management from company founder Gerald Wittberger.

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