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API 5L PSL1 (Product Specification Level 1) Line Pipe refers to a standard set by the American Petroleum Institute (API) for the manufacturing and transportation of steel pipes used in the oil and natural gas industry.

SS330 and SS490 are two types of carbon structural steel in Japanese steel standards, which are usually used to manufacture pipes and structural members. "Long seam submerged arc welded carbon pipe" refers to carbon steel pipes produced using the straight seam submerged arc welding process.

EN 10219 S275J0H hollow section pipes are mainly used in outdoor steel fields such as building structures, bridges, vehicles, ships, containers, power plant chimneys, and railway engineering.

Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.