Headquarters Christof Group Austria, 8051 Graz, +43 316 6855 000

apb Apparatebau Schweißtechnik GmbH

apb Apparatebau Schweißtechnik GmbH (APB) produces pressure vessels for the chemical and petrochemical industry, as well as special valves for polymer generation and high concentrated nitric acid storage tanks and pipelines. We are specialised in welding highly alloyed steels for standard and extraordinary apparatus construction. The references range from special steels such as 1.4361 (A610), 1.4466, duplex steels, over nickel-based materials, to titanium. High-pressure vessels and coolers are produced up to 1,600 bar.

Our customers include producers of polyester, nylon, melamine, urea and nitric acid, as well as the globally renowned engineering firms in these fields.

Benefits for clients

  • Guaranteed adherence to the highest quality standards
  • Fulfilment of particular, customer-specific requirements
  • Innovative solutions for extraordinary tasks
  • Assembly of our products worldwide
  • Delivery on time 

Core competences

  • Engineering, calculation and construction (3D)
  • Welding of highly alloyed materials and titanium
  • Experience in the high-pressure field up to 1600 bar
  • Worldwide execution of revamps, renovations and assemblies of prefabricated parts





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Partnerships and co-operations

A widely spread network of co-operations and partnerships documents the high standard of the Christof Group.


Contact Christof Group