Classes of Steel and Its Uses

Steel is an alloy of iron and carbon with content upto a maximum of 1.5%. The carbon present in the form of iron carbide, because of its ability to increase the hardness and strength of the steel. Other elements such as Silicon, Sulphur, Phosphorus and Manganese are also added to improve the various qualities of steels. Carbon present in the steel is in combined form. Plain Carbon Steel Plain carbon steels are those which contain primarily Iron and Carbon. Silicon, Manganese, Sulphur and Phosphorus are present but these are considered…

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Oxy-Acetylene Gas Welding on Mild Steel Metal

Introduction to Oxy-Acetylene Gas Welding The majority of the metals can be joined by welding.While some metals, present little difficulty to the welder. These metals need extreme care and specialised treatment while welding. For welding different metals, different job preparation and welding technique is followed.  After welding, treatment is necessary to have successful results. Approved drawing is provided where specific requirements are laid down; which contain the preparation of the parts, methods of welding, heat treatment and other factors. These instructions must be followed. Such drawing should always be supplied…

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