Implement Industry Ideas
  • Roller furnace / heat treatment / annealing / nitrogen
  • Roller furnace / heat treatment / annealing / nitrogen
  • Roller furnace / heat treatment / annealing / nitrogen
  • Roller furnace / heat treatment / annealing / nitrogen

Article: 00031014

Roller furnace / heat treatment / annealing / nitrogen

Roller-hearth furnaces for long products

This type of furnace was specially developed for soft annealing to achieve globular cementite in medium and high-alloyed tool steels, high speed steels, cold heading and bearing steels.

As well as taking care of the as-annealed quality factors, this design of furnace also minimizes process atmosphere consumption (nitrogen only) to improve economy. A CO2 control system automatically calculates and regulates the required process atmosphere (nitrogen).

Processing temperature range of 400 °C to 950 °C (1050 °C). Net throughputs of between 2,000 kg/h and 10,000 kg/h can be achieved depending on the size of the facility and the heat treatment program selected.

These furnaces are built with a standardized hearth width (charge width) of 1750 mm or 2250 mm. Other widths are available on request.

For certain steel grades requiring an extremely high cooling gradient (up to 300 K/min), the roller-hearth furnace can be fitted with a HICON® jet cooler.

Specifications

  • Type: roller
  • Function: heat treatment, annealing
  • Atmosphere: nitrogen
  • Product applications: for tubes
  • Domain: for steel industry
  • Maximum temperature: Min.: 400 °C (752 °F)

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