ASTM A335 OR ASME SA335 STANDARD SEAMLESS HIGH PRESSURE ALLOY STEEL
ASTM A335 OR ASME SA335 STANDARD SEAMLESS HIGH PRESSURE ALLOY STEEL BOILER PIPE ... refineries, petro chemical plants, and oil field services where fluids and gases are transported at extremely high temperatures and pressures. ... ASTM A335 Gr. P12 Pipe: 3604/620: 1% Cr 1/2% Mo: ASTM A335 Gr. P22 Pipe: 3604/622: 2 1/4% …