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Temperature Monitoring in Primary Metals Processing

Tube and Pipe Mills

The production of steel tubing uses sheet stock that is formed into a tubular shape by passing through a series of roller stands and an induction welder. The welder heats the seam to a high enough temperature to ensure a strong weld, as the metal is being forced together. Induction welding is a common method of steel tube production, where temperature control is essential to maintain quality.

Application Need 

Four different welding processes are typically used for making tubes: High Frequency (HF) Welding, Electric Resistance Welding (ERW), Gas Tungsten Arc Welding (GTAW), and Laser Welding. The temperature measurement of the welding is critical to achieve the highest quality at the highest speed and ensure the lowest possible energy costs. The temperature measurement will usually be fed back and looped into a PLC system, where the power or gas consumption can be adjusted.

Benefits to the customer 
  • Monitor temperature throughout the process with latest communication protocols to allow fast feedback and adjustment
  • Track temperature and analyze trends (predictive maintenance and historical data)
  • Support demands of production line speed, achieve lowest energy cost and maintain highest product quality
Infrared Temperature Solutions
  • Single unit designed to handle wider temperature ranges to suit any welding or forming application
  • Enhanced software for data capturing, trending analyses and quality reports
  • Integrated galvanically isolated I/O to reduce system installation costs
Thermal Profiling Systems
  • Unique design solution, which mounts onto the rolling or moving pipe, and monitors up to 20 measurement points - including quench cycles for true understanding of product temperature
  • Minimize new product setup time and R&D, with a unique cylindrical system from Fluke Process Instruments
  • Powerful, easy-to-use, Insight™ Software for instant data analysis and traceability reports

Literature and other resources

Success Stories 

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