ASTM A335 P91 Pipe
ASTM A335 P91 Pipes is a stainless steel pipes made up of different material grades but abide by the A335 specification. It is a chrome molly material alloy containing chromium, molybdenum and trace amounts of nickel and manganese.Steel India Co. is a manufacturer and P91 Pipes suppliers in large scale. Our customer base is large and we produce the different varieties of pipes in this range. There are different wall thicknesses and nominal sizes of these pipes and as one of the leading SA335 P91 Pipes suppliers we produce them all. The SA335 P91 Material has 9% chromium and 1% molybdenum in its composition.
The SA335 Grade P91 could be cold drawn or cold rolled. There are seamless, ERW, welded and fabricated pipes in this range. As one of the largest SA335 P91 Pipes manufacturers we produces these pipes in single random, double random and in cut length scales. There are different types of ends such as plain ends, beveled end and treaded ends to the pipes. Our A335 P91 Welded Pipes is good for heavy welding applications. The ASTM A335 P91 Alloy Steel Pipes can also come in different pressure classes and schedules. The applications are of high temperature service. You can always contact us to know more about our products.
SA335 P91 Pipes Standard Sizes And Schedule Specifications
| Specialized in | Sizes in Large Diameter |
| OD | 19.05 milimeter – 114.3 milimeter |
| WT | 2.0 milimeter – 14 milimeter |
| Length | maximum 16000 milimeter |
| Form | Square, Hydraulic, Round, Rectangular, Etc. |
| Standard | SA335 P91, ASTM A335 P91 |
| Thickness | From 3 to 12 milimeter |
| Size | From 1/2 NB upto 36 NB |
| Schedule | Schedule 40, 80, 160, XS, XXS |
| Tolerance |
Cold rolled pipe: +/-0.05 milimeter Cold drawn pipe: +/-0.1 milimeter |
| Craft | Cold drawn / Cold rolled |
| Type | ERW / Fabricated / Seamless / Welded |
| Length | Double Random, Cut Length, Single Random, . |
| Specialized in | SA335 P91 |
| Additional Testing | NACE TM0177, H2 SERVICE, NACE MR0175, IBR, NACE TM0284, SSC TEST, HIC TEST, etc. |
A335 Gr P91 Pipes Composition Standard
| Si, % | Cr, % | C, % | Mo, % | Mn, % | P, % | N, % | S, % | V, % | Ni, % | Nb, % | Al, % |
| 0.2 to 0.5 | 8.0 to 9.5 | 0.08 to 0.12 | 0.85 to 1.05 | 0.3 to 0.6 | 0.02 | 0.03 to 0.07 | 0.01 | 0.18 to 0.25 | 0.4 | 0.06 to 0.10 | 0.04 |
ASTM A335 P91 Pipes Mechanical Strength Table
| Elongational | Tensile Properties | HB | Yield Properties |
| 20 | 585 | 250 | 415 |
Equivalent Material Grade Of SA335 Gr P91 Pipes
| UNS | ASTM | Equivalent material | ASME |
|---|---|---|---|
| K91560 | A335 P91 | K90901, T91, 1.4903, X10CrMoVNb9-1 | SA335 P 91 |
Table of Content