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Normally this document is valid for a limited period (usually for two years), after which the welder must be retested. However some Qualifications are only valid for a single project, while others are unlimited as long as welders do not go beyond a specified length of time without performing that specific type of welding (this period is ...
Women Who Weld is a nonprofit organization based in Detroit, Michigan.Women Who Weld teaches women how to weld and find employment in the welding industry through intensive and introductory welding training programs, including Week-Long Intensive Welding Training Classes and Single-Day Introductory Workshops.
The American Welding Society (AWS) was founded in 1919 as a non-profit organization to advance the science, technology and application of welding and allied joining and cutting processes, including brazing, soldering and thermal spraying.
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Duty cycle is a welding equipment specification which defines the number of minutes, within a 10-minute period, during which a given arc welder can safely be used. For example, an 80 A welder with a 60% duty cycle must be "rested" for at least 4 minutes after 6 minutes of continuous welding. [8]
A welder is a person or equipment that fuses materials together. The term welder refers to the operator, the machine is referred to as the welding power supply . The materials to be joined can be metals (such as steel , aluminum , brass , stainless steel etc.) or varieties of plastic or polymer .
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The Canadian Welding Bureau is a certification and registration organization for companies involved in the welding of steel structures. Welders in Canada are required to be retested every two years by the Canadian Welding Bureau.