T22 and P22 steel pipe are included in ASME (American Society of Mechanical Engineers) or ASTM (American Society for Testing Material) suited for superheater tubes, steam line and headers and similar purposes where temperatures up to about 590 °C. T22 tubing belong to ASTM A213 which do Ferrite and Austenitic boiler superheater and heat exchanger seamless steel tube. But for ASTM A335 P22 tubing, they intended for Ferritic and alloy seamless steel tube intended for high temperature service.
Dimension: 12.7mm - 325mm
Wall thickness: 1.2mm- 50mm
Length: 1m to 12m or Custom Length
Grades | C | Si | Mn | P | S | Cr | Mo |
P22/T22 | 0,05-0,15 | ＜0,50 | 0,30-0,60 | ≤ 0,025 | ≤ 0,025 | 1,90-2.60 | 0,83-1.13 |
P11/ T11Pipe Tube Mechanical properties at room temperature
Material | Yield strength ReH/Rp0,2 N/mm² min | Tensile strength Rm N/mm² | Elongation A % min |
P22/T22 | 205 min | 415 min | 30 |
Worldiron&steel is a leading P22 and T22 boiler tube supplier, manufacturer and wholesaler in China. We stock and supply ASTM A213 T22 and ASTM A335 P22 seamless steel pipes in various specifications and sizes. If you are looking for this material, please contact us or get a quotation. Not only do we have the general sizes, we also have all kinds of sizes that are hard to find.