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Heavy plate for protection technology

Armoured limousines, secure vehicles for delivery of cash and valuables, building protection and safes – Dillinger supplies the special steels that make your products the safest on the market.

Dillinger’s strengths in protection technology

  • We developed our DIFENDER steels to the most demanding standards specifically for the protection of persons and property against ballistic and explosive attack.
  • These steels combine maximum possible protection with minimum possible weight – in vehicles and in buildings.
  • Various DIFENDER types are available, to meet precisely your protection needs ex mill and ex stock with prefabrication service.
  • DIFENDER is recognized and approved by customers and authorities, such as according the standard TL 2350-0000.

Proprietary steels


Data sheets & specifications

DIFENDER 270 – high ductility armoured steel
D-PURE+ – Heavy plate with a reduced CO2 footprint
DIFENDER 350 – high ductility armoured steel
DIFENDER 300 – high ductility armoured steel
DIFENDER 600 PH – High strength armoured steel for press hardening
DIFENDER 400 – high strength security steel
DIFENDER – for safety and security
DIFENDER 600 – high strength security steel
DIFENDER 500 – high strength security steel
DIFENDER 450 – high strength security steel
Delivery program – heavy plate

Contact persons


Christoph Dickmann
Head of Sales Department, Machinery & Construction Equipment, Protection Steel

Phone: +49 6831 472385
Fax: +49 6831 47992681


Dr. Axel Grüneklee
Category Manager Sales, Protection Steel

Phone: +49 6831 475791


Johannes Klemm
Head of Marketing & Technical Support, Machinery & Construction Equipment, Steel Service Center, Plate Processing, Protection Steel

Phone: +49 6831 475658
Fax: +49 6831 47999036