ASTM A335 P22 alloy pipe/tube 1. ASTM A335 P22 alloy pipe 2. ASTM A213, A210-C, A179, A192, DIN17175 ST37.5 ST35.8 ASTM A335 P22 alloy pipe1. ASTM A335 ... A213: T2, T5, T9, T11, T12, T22, T91, T92 A335: P1, P2, P5, P9, P11, P12, P21, P22, P91, P92 DIN17175: ... by customers' requirements7 Producing Type: Seamless8 Type of ends: Plain ends or bevel ends9 Coating for protection: Can be required ...