High-quality mechanical metal pipe for building and industrial machinery, automobiles, and different mechanical and structural applications. A seamless metal pipe with apropriate chemical composition was thought of in three distinct conditions – as rolled, normalized and quenched and tempered. 10 When seamless pipe is required, square billets are used for production. Stainless-steel is iron primarily … Continue reading ASTM A252 Spiral Steel Pipe_ASTM A106 GR