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revised: Customer process cladding in the Welding & Cutting sector

Cladding

Change of surface properties

PROCESS DESCRIPTION

The aim of coating construction components is to create surface properties that the base material does not have. Important characteristics include:

  • Corrosion resistance
  • Wear resistance
  • Thermal or electrical resistance or conductivity
  • Optical properties

Often it is metals that are coated. Here methods are used whose principles of operation are known from joining technology, such as:

  • Soldering
  • Electric arc welding
  • Shield gas welding,
  • Plasma-powder welding

For heat sensitive or non-metallic components special processes have been developed, such as:

  • Thermal spraying
  • Vacuum-coating
  • Electro- or immersion bath-galvanisation
  • Chrome plating

revised: Application technology cladding in the Welding & Cutting sector

Cladding

Change of surface properties

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Overview of the gases for welding

WELDING GASES

MAG, MIG, TIG and forming gases

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null Safe Handling of Gases - 10 Rules
  1. Perform risk assessment and prepare an operating instruction.
  2. Prior to handling compressed gas cylinders, the personnel should be instructed.
  3. Don’t throw and always secure compressed gas cylinders against toppling.
  4. Transport only with valve protection approved for the purpose, protected from slipping or rolling around.
  5. Protect compressed gas cylinders against dangerous heating (< 50 °C), avoid punctual heating from open flame or radiator.
  6. No refilling of gas in other compressed gas cylinders, prevent backflow
  7. Labelling should not be removed or damaged.
  8. Cylinder valves and pressure regulators must be kept free of oil and grease, operate gas supply systems only manually, when not in use close the cylinder valve.
  9. Withdraw gas only with appropriate pressure regulator, before connecting check seal.
  10. Don´t use damaged compressed gas cylinders, but label them and inform the supplier.