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Schedule 40 Steel Pipe is a commonly used wall thickness grade in American Standard piping systems. It has clear pressure standards and application specifications and is widely used in industries such as the petroleum and chemical industries. SCH40 Steel Pipe is available in welded, seamless, and galvanized versions, depending on the production standards and intended use.
SSAW Steel Pipe, also known as spiral submerged arc welded steel pipe, is a type of pipe made by rolling narrow steel strips into large-diameter pipes. The spiral weld seam improves overall mechanical properties, reduces cost, and is suitable for medium- and high-pressure fluid transportation and structural applications. However, the weld seam is relatively long, requiring strict quality control.