The sine wave or sinusoid is a mathematical curve that describes a smooth repetitive oscillation. Named after the mathematical sine function, of which it is the graph, it describes the way a generator develops alternating current (AC), and is the pattern of the simplest AC welding current.
The only North American publication devoted to the metal tube and pipe industry industry and is a trusted source of information for professionals. Subscriptions are free to qualified tube and pipe professionals in North America.
TheFabricator.com provides metal fabrication professionals with market news, the industry's best articles, product news, and conference information from the Fabricators & Manufacturers Association, Intl.