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Gayatri tubes is the unmatchable manufacturer, exporter, stockiest, and supplier of the highest quality of the Alloy Steel P91 Pipes. These pipes are well known for the use they have in certain kinds of industries. They have a wide range of properties that are extremely valuable for the industries such as the resistant to corrosion. The alloy pipes are also known as tubular structure. They are made by the concentration of various types of elements such as the molybdenum, chromium, and nickel. Various other elements are used too that give the pipes some additional properties. The industries that make use of the Alloy Steel P91 Seamless Pipes do so because of the various properties it shows such as the ability to bear the higher temperature conditions and lower temperature conditions which are also known by the name of cryogenic temperatures.
They are also capable of bearing high-pressure conditions as well. This is a property that most of the industries demand. There are a lot of grades that are made for these alloy pipes. The various grades show many same chemical and mechanical properties as well. These similarities are the sole reason for them being fit for welding and joining purposes. There are various elements that are used for the alloying of these pipes and these elements are responsible for the varying properties of these pipes. The chromium is also one of those elements that provides the Alloy Steel P91 Pipes an excellent resistant from corrosion, and oxidation that takes place due to the elevated temperatures. Chromium also gives these pipes the properties such as high yield strength, high tensile strength, and more hardness. The hardness does not let it become loose even after a long work life and hence gives it the required resistance that it needs to prevent pitting.
Molybdenum is also an alloying element that gives a prominent strength to these pipes and provides a very good elasticity to it as well. Before we ship the product to the customers, we perform several tests on it such as hardness test, pitting test, and flattening test. These tests ensure the high quality of the Alloy steel P91 pipes.
| STANDARD | WERKSTOFF NR. | UNS | TRADE NAME |
| CrMo P91 | 1.4903 | K91560 | X10CrMoVNb9-1 |
| Specifications | ASTM A335 / ASME SA335 |
| Standard | ASTM, ASME and API |
| Dimension Standard | ANSI B36.19M, ANSI B36.10 |
| Size | 1/8"NB TO 30"NB IN |
| Length | Single Random, Double Random & Required Length, Cut Length |
| Type | Seamless |
| End | Plain End, Beveled End, Treaded |
| Grade | C | Mn | Si | S | P | Cr | Mo |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.20 -0.50 | 0.010 max | 0.020 max | 8.00 - 9.50 | 0.85 - 1.05 |
| Element | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| P91 | 585 min | 415 min | 20 min |
