ASTM A335 Gr.P2 is a kind of Ferrite alloy seamless steel pipe / tube. ASTM A335 Grade P2 is in the standard American. A335 Gr.P2 seamless alloy steel pipe Process is Cold finished or hot finished.
SA335 grade P1 is a kind of seamless alloy steel pipe. SA335 grade P1 is in the American standard .ASME SA335 Gr. P1 seamless alloy steel pipe Process is Cold finished or hot finished.