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

Overview of the gases for welding

WELDING GASES

MAG, MIG, TIG and forming gases

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null CANgas Introduction MA

CANgas Pressure Cans – The Practical Solution

High purity gases and gas mixtures are commonly manufactured in 10 or 50-liter steel or aluminum cylinders. For many applications, these delivery forms have proven to be the best solution with respect to the provided amount of gas and the practical use. However, in special applications only small quantities of gas are needed and it is inconvenient to deal with a heavy steel cylinder. In such cases, the residual gas in large cylinders will remain unused. All that is needed is a small and light gas can. For these purposes, Messer offers pressurized canisters which are named CANgas. These gas canisters are small, light, handy and can be stored almost everywhere. The handling of gas canisters is extremely simple and only the required amount of gas is provided. All gas canisters supplied by Messer are non-refillable so that they can be disposed of after usage. The canisters are made of aluminum, making them light and compatible with all common components, even reactive ones.

Messer provides an extensive range of pure gases and gas mixtures in various types of gas canisters. Test gas mixtures are delivered with a certificate of conformity which is found on the canister body label. It contains information on the exact composition, the tolerances and the stability of the gas mixture. Depending on the gas mixture, a certificate of analysis can also be supplied. It provides more detailed information on the real value of the corresponding component and its uncertainty. In order to withdraw the gases from the gas canisters, special equipment is used.