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ASTM A 672 CS Welded Pipes and Tubes has several different first rate characteristics like having higher strength with low coefficients of thermal, having better weldability and greater toughness, conductivity than alloy steels, etc.

The API 5L product grades include API 5L X65 pipe and heavy wall linepipe covering welded and seamless carbon and galvanized steel pipes.

S235JRH grade belongs to standard EN10219. EN10219 S235JRH welded steel pipe is a carbon structural steel, JR means its impact properties are at room temperature.

ASTM A847 weathering steel pipe is a cold-formed welded and seamless high-strength, low-alloy round, square, rectangular or special-shaped structural pipe.