... 13CrMo44,Cr5Mo,25CrMo, 30CrMo,40CrMo,42CrMo, P5, T5, P22 (10CrMo910), T91, P91,A335 P9, A213 T92. Standard: DIN ... -88 JIS G3458-88 GB5310-95 GB9948-88 ASTM A335/A335M ASTM A213/A213M3. Usage: Applied to petroleum, chemical ... so on.1.the diameter of Spiral steel pipe is from φ219 to φ2850mm and wall thickness ... 1626, DIN 1629/3, DIN 1629/4, ASTM A53-2007, ASTM A210-1996, API 5LGrade16Mn, ST35-ST52, Q195- ...