Stainless Steel Seamless TubesAlloy Steel Astm A335 P91 Seamless Pipes
Alloy Steel ASTM A335 P91 Seamless Pipes are available in two types, with Type 2 being the most commonly used variant. Metinox Overseas, a leading manufacturer among Manufacturers, Suppliers, Stockists, and Exporters, offers a wide range of ASTM A335 P91 Pipes in various dimensions and shapes to meet diverse industry requirements.
The material composition of ASTM A335 P91 Pipes includes carbon, manganese, phosphorus, sulfur, silicon, 8% chromium, and molybdenum as the major constituents. Additionally, smaller quantities of alloying elements such as vanadium, nitrogen, nickel, aluminum, columbium, titanium, and zirconium are present in the composition. These pipes adhere to the A335 standard, although forged or bored pipes may also fall under the A369 standard.
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P91 Pipes find applications in power generation, gas processing equipment, boilers, heaters, reheater lines, and various oil services. Welding of these pipes requires preheating and optional post-baking procedures, with the material needing to be cooled below 100 degrees Celsius after welding before application.
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The P91 Seamless Pipe boasts a minimum tensile strength of 585MPa and a minimum yield strength of 415MPa, derived from the material composition. The increased strength and corrosion resistance of P91 Steel Pipes are primarily attributed to the chromium and molybdenum contents. Available in nominal bore sizes ranging from 1/8 inches to 24 inches, P91 Pipes come in various outer diameters and wall thicknesses, corresponding to schedules ranging from sch20 to XXS.
The wall thickness can vary from 2mm to 14mm, with lengths extending up to 16000mm. These pipes are available in round, square, rectangular, hydraulic, and other forms, featuring plain, beveled, and threaded ends to suit diverse application needs. For more details on ASTM A335 Gr P91 Pipes and pricing, please don't hesitate to contact Metinox Overseas. We are your trusted partner for high-quality Alloy Steel ASTM A335 P91 Seamless Pipes.
Alloy Steel Astm A335 P91 Seamless Pipes Specifications
| Alloy Steel Pipes Specifications | ASTM A335 P1, P2, P5, P9, P11, P12, P22, P23, P91, P92, ASTM A213 T2, T5, T5b, T5c, T9, T11, T12, T22, T23, T91, T92 |
|---|---|
| Dimensional | ASTM, ASME and API |
| Size | 1/2” NB to 36” NB |
| Outside Coating | Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements |
| Thickness Range | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules, upto 12mm thk |
| Length | Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths |
| Schedules | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| End | Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
Alloy Steel Astm A335 P91 Seamless Pipes Chemical Composition
| Grade | Chemical Composition(%) | ||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Mo | |
| A335 P91 | 0.01-0.20 | 0.30-0.60 | ≤0.025 | ≤0.025 | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 |
Alloy Steel Astm A335 P91 Seamless Pipes Mechanical Properties
| Grade | Mechanical property | ||
|---|---|---|---|
| Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | |
| A335 P91 | ≥380 | ≥205 | ≥30 |
