production of flat stamped and stamped bent parts




ERICH GRAU GMBH's manufacturing range covers the production of flat stamped and stamped bent parts, in particular from electrical steel or cold rolled and slit strip.

We manufacture the following products, among others, for our globally active customers:

  • Transformer lamination cores in accordance with DIN EN 60740-1 (DIN 41 302)
  • Strip sheets
  • Small lamination cores according to customer specifications
  • Sheet packages for transformer manufacturing
  • Transformer accessory parts
  • Stamped bent parts and laser parts
  • Processing machines for transformer manufacturing:
    Welding machines, tamping machines, pushing machines, manual nesting machines
  • Customer-specific electric motor sheets (stator and rotor sheets)
  • Riveted, welded, punch-packed, glued and baked sheet packages
  • Cores for magneto ignition coils
  • Pencil cores and inference sheets
  • Slat packages for alternators
  • Laser-cut special sheets for sample production, prototype building and small batches

GRAU products can be found wherever quality and efficiency are at the forefront of responsible and competitive decisions.

By now, GRAU products are indispensable in the following industries:

  • Electronics industry
  • Automotive industry
  • Aerospace
  • Mechanical engineering
  • Air-conditioning, ventilation and heating technology
  • Research and development

Erich Grau GmbH
Stanzwerk für Elektrobleche
Uhlandstr. 3-7
D-74372 Sersheim 

Tel.: 0 70 42 / 83 63 - 0
Fax: 0 70 42 / 83 63 - 63 


Privacy Policy



Drive technology

Stator and rotor technology

Medical technology

Founded in 1952, ERICH GRAU GMBH is today a renowned, internationally active company in the field of stamping technology.

All of our customers' requirements are handled with great care and attention. This applies for simple items as well as for technically challenging parts.