SPEC:O.D: 219~2220mm W.T: 6~18mm MAT:Material: ... high temperature, low temperature resistance,Corrosion resistanceASTM SA335 A335P22A335P5A335P9A335P91stainless steel pipe Applies to oil, aviation, metallurgy, food, water conservancy, ... industry,Chemical, chemical fiber, pharmaceutical machinery, etcASTM A213ASTM A312304304L316316L321steel pipe forlow temperatureApply to-45 °C ~ 195 °C level-low ...