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Perfect wire solutions through heat treatment and surface treatment at voestalpine Wire Technology

2025-10-07 | 

The requirements for wire products in industry are diverse - from high dimensional accuracy and defined mechanical properties to reliable further processing. voestalpine Wire Technology offers a wide range of treatment processes for this purpose, including heat and surface treatments that are specifically tailored to the respective customer requirements.

Heat treatment – for specific material properties

The structure and mechanical properties, e.g. for applications in the roller bearing sector, in the automotive industry, or in mechanical engineering, are adjusted using various heat treatment processes:

  • Thermomechanical rolling: Precise temperature control for ideal grain sizes and low decarburization
  • Targeted cooling: Air and water cooling (Stelmor or Garrett line) for the formation of pearlitic or bainitic microstructures
  • Final microstructure adjustment: Stress relief annealing, soft annealing, patenting, or diffusion annealing – tailored to specific requirements
  • Bainitic solutions: For high-strength bolts, seismic anchors, or applications in the hydrogen sector
  • Simulation-oriented heat treatment systems: Chamber furnace, retort furnace with inert and reactive gases, oil and salt quenching baths
  • Non-destructive testing: Ultrasonic testing to check mechanical properties

Surface treatment – for maximum process reliability and quality

The quality of the wire surface is crucial for further processing and function in the end product. voestalpine Wire Technology relies on the following processes:

  • Flawless surfaces: No grooves, cracks, or rolling marks - for uniform forming properties
  • Customized coatings: Polymer coatings, phosphating, and electroplating (e.g., copper, zinc, nickel)
  • Phosphate-free solutions: For an improved ecological balance and optimized processes
  • AI-supported testing methods: Early detection of surface defects during continuous casting
  • Inline cleaning and drying: For clean surfaces immediately after drawing
  • Non-destructive surface testing: Eddy current testing and surface detection for quality assurance

Packaging & packing

  • Flexible packaging solutions from 1 kg to 3000 kg
  • Adaptation to customer-specific requirements with regard to transport, storage, and further processing

Your advantage is our commitment - voestalpine Wire Technology offers:

  • Tailor-made solutions
  • Highest quality and process reliability
  • Sustainable and innovative technologies
  • Fast response and high flexibility
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