A335 P11 pipe is a kind of low alloy heat-resistant steel pipe. Application: For surface heating pipe of low and medium pressure boiler (working pressureâ?¤5.88Mpa, working pressureâ?¤450 For surface heating pipe of high pressure boiler (working pressureâ?¥9.8Mpa, working pressure450â??~650 Size: OD 1/2''~48'', Schedules 10 through 160, STD, XS and XXS. Non-standard size and wall thickness is also available for customizing. Manufacture: Hot-finished or Cold-drawn
