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

ASTM A334 is a forged seamless carbon steel pipe that is one of the standard specifications for cryogenic applications.

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.

This specification covers straight seam and spiral butt seam welded unannealed austenitic stainless steel tubular products intended for low and moderate temperatures and corrosive service where treatment is not necessary for corrosion resistance.