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Welding: Principles and Applicatio...
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Welding: Principles and Applicatio...
What cautions must be taken when chemically cleaning oil or paint from a piece of metal?
The precautions, while chemically cleaning the oil or paint.
All welding surfaces must be cleaned to a bright metal. This cleaning process may be carried out by processes such as grinding, filing, sanding and blasting.
Precleaning is the prerequisite of the welding process to remove any dirt, rust or wetness or the paint on the surface. This cleaning can be done chemically also.
Chemically cleaning oil or paint from a piece of metal must be done by material safety data sheet. This type of cleaning must be done according to the instruction of manufacture. In such cleaning metal should not be in wet condition. Moisture must be removed before cleaning. It is also important that all residues must be removed before welding starts...
Chapter 12 Solutions
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