The purpose of this welding procedure is to describe the steel structure fabrication methods, welding techniques, quality assurance and quality inspections to be carried out about welding, weld repair and weld inspections for any kind and size of fabrication project. Material Supply The quality of materials should be according to Customer specifications and welding drawings.… Read More »
Welding Theory & Application Definitions ACETONE: A flammable, volatile liquid used in acetylene cylinders to dissolve and stabilize acetylene under high pressure. ACETYLENE: A highly combustible gas composed of carbon and hydrogen. Used as a fuel gas in the oxyacetylene welding process. ACTUAL THROAT: See THROAT OF FILLET WELD. AIR-ACETYLENE: A low temperature flare produced by burning… Read More »
Welding symbols, like sign posts are informational directors. They are placed on welding drawings by welding engineers and their purpose is to relay information to the welder. In many instances the information relayed is very simple. Welding symbols are used on blueprints and drawings to show where the weld is to be placed and may… Read More »
Before understanding the important factors related to welding joint design, please note that apart from resistance spot welding (RSW), three processes are most commonly used for welding metal stampings and fabrications: gas metal arc welding (GMAW) or MIG; gas tungsten arc welding (GTAW) or TIG; and gas welding. Although a high initial investment is necessary,… Read More »
The purpose of this method statement / pipe welding procedure is to define and outline proposals for carrying out the welding & installation of MS piping System. Method is applicable to all ERW, Black Steel, Schedule 40, Grade ‘B’ and fittings, in accordance with mechanical specifications for pipe sizes 65mm dia. and above. The work… Read More »