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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. Conduct a risk assessment and prepare operating instructions.
  2. Train personnel in the handling of pressurized gas containers.
  3. Pressurized gas containers should never be thrown and should always be protected from tipping over.
  4. Transportation may only be carried out with the approved valve protection.
  5. Pressurized gas containers must be protected from uncontrolled heating (< 50 °C). Local heating by an open flame or heater must be avoided.
  6. Do not refill compressed gas containers. Prevent backflow.
  7. The labeling on compressed gas containers must not be removed or damaged.
  8. Gas cylinder valves and pressure reducers must be kept free of oil and grease. Gas supply systems may only be operated manually. Once the compressed gas container has been used, the gas cylinder valve must be closed.
  9. Gas may only be removed from pressurized gas containers using suitable pressure reducers. Before connecting, the tightness should be checked.
  10. Never use damaged pressurized gas containers. In such cases, mark the pressurized gas containers and inform the supplier.