ASTM A335 Grade P9 is also commonly known as ASME SA335 Grade P9 Pipes, it is a seamless ferritic alloy-steel pipe that mainly has high-temperature applications. The UNS designation for this grade P9 is K90941.
Supply Range
| Alloy Steel SA335 P9 Standard | ASTM A335 P9, SA335 P9 (with IBR Test Certificate) |
| SA335 P9 Size | 1/2” NB to 36” NB |
| SA335 P9 Schedules | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS, All Schedules |
| A335 P9 Tolerance | Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm |
| Craft | Cold rolled and Cold drawn |
| SA335 P9 Type | Seamless ERW Welded Fabricated |
| A335 P9 Length | Standard Double & In Cut length also. |
| SA335 P9 End | Plain End Beveled End Treaded |
| Specialized in | Large Diameter A335 P9 |
| Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| Application | Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |