ASTM A335 P91 Pipe
ASTM A335 P91 Pipe Specification
| Specification | ASTM A335 |
|---|---|
| Finish | AP (Annealed & Pickled), Polished, MF, BA (Bright & Annealed) |
| Origin | European, Japanese, Korean, US, Russian, Indian |
| Type | ERW / Seamless / Fabricated / Welded / CDW |
| Form | Round, Square, Rectangular |
| Surface Finish: | No.4, 2B, No.8 Mirror Finish, No.1 |
| Delivery Condition | Polished, Annealed and Pickled, Cold Drawn, Bright Annealed |
| Seamless Pipe size | 5.0 mm – 1219.2 mm |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
Chemical Composition of ASME SA335 P91 Pipe
| Alloy Steel P91 | C | Cr | Mn | Mo | P | S | Si |
| 0.08-0.12 | 8.00 – 9.50 | 0.30-0.60 | 0.85 – 1.05 | 0.020 max | 0.010 max | 0.20 -0.50 |
Alloy Steel P91 Seamless Pipe Mechanical Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation |
| 585 min | 415 min | 20 min |