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Home > Products > Industrial Metal Pipe > API 5L Pipes > ASTM A335 P1 Pipe
ASTM A335 High-Pressure Alloy Pipes Exporters, Specialized A335 Gr P1 Ferritic Seamless Pipes, UNS K11522 Alloy Steel for Precision Applications, High-Temperature Resistant ASTM A335 P1 Seamless Pipes High-Grade P1 Seamless Pipes for Industrial Boilers.
ASTM A335 Grade P1 Alloy Steel Pipes are engineered to provide exceptional performance in high-temperature environments across diverse industrial applications. These low-alloy carbon steel pipes, offered by Kwality Steelage Pvt. Ltd., a prominent manufacturer and exporter in Mumbai, India, are well-suited for use in oil and gas, petrochemical, marine, and power industries where resistance to corrosion, stress cracking, and erosion is essential. With a minimum tensile strength of 415 MPa and a minimum yield strength of 205 MPa, these pipes are ideal for high-pressure, high-temperature applications, including the transfer of liquids, gases, and corrosive materials, ensuring durability and reliability under demanding conditions.
Designed as seamless pipes, ASTM A335 P1 pipes are available in a variety of forms, such as round, square, and rectangular, with thicknesses ranging from 3mm to 12mm. They are manufactured using either cold-drawing or hot-finishing techniques, making them adaptable to different industrial needs. Featuring a chromium and molybdenum composition with added elements like vanadium and, sometimes, nickel and cobalt, these pipes are known as chrome moly pipes due to their enhanced heat and corrosion resistance. These elements ensure the pipes withstand extreme conditions while maintaining structural integrity and offering long service life in high-pressure environments.
Welding ASTM A335 P1 pipes requires specific practices to maintain material properties and minimize hardness and residual stress. For pipes thicker than 13mm, post-weld heat treatment (PWHT) is recommended to stabilize the material after welding. For thinner sections, a preheat of 120°C can be used to avoid the need for PWHT. This flexibility in welding makes A335 P1 pipes an optimal choice for various configurations, with options for threaded, beveled, or plain ends depending on the project’s specifications. The pipes come in different schedules, including SCH 20 to XXS, and sizes from 1/8 NB to 26 NB, allowing for customization to fit precise requirements.
In terms of versatility, ASTM A335 P1 Alloy Steel Pipes excel in applications requiring durability and resistance to high temperatures. Kwality Steelage Pvt. Ltd. offers high-performance ASME SA335 quality alloy steel pipes for both high and low-stress applications, with optional anti-corrosion coatings like fusion-bonded epoxy (FBE) or three-layer polyethylene for added protection. The pipes are available in thick-walled configurations, making them especially valuable for oil and gas transport, boiler operations, and petrochemical applications. Whether cold-rolled or hot-rolled, these seamless pipes offer enhanced strength and resilience, making them a dependable choice for industries demanding robust, high-durability solutions.
For industrial applications requiring both precision and resilience, ASTM A335 P1 Alloy Steel Pipes from Kwality Steelage Pvt. Ltd. are available in customized finishes and dimensions to meet specific operational needs. Their seamless construction, coupled with a low-carbon alloy composition, provides improved weldability and corrosion resistance. These pipes are not only suitable for high-performance needs but also offer cost-effective, long-lasting solutions for power generation, petrochemical refineries, and other heavy-duty environments.
| Specification | Details |
| Size Range | 1/8 to 26 inch NB |
| Schedule Thickness Range | SCH 20, SCH 40, SCH 80, SCH 160, XS, XXS, All Schedules |
| Applications | Oil Refineries, Petrochemical Industries, Power Plants, Boilers, Chemical Industries, Marine and Shipbuilding, Fluid and Gas Transmission |
| Pipe Type | Seamless |
| Pipe & Tube Form | Round, Square, Rectangular, Hydraulic Pipes |
| Manufacturing Process | Cold Drawn or Hot-Finished, Heat Treated (Annealed, Normalized, Quenched and Tempered) |
| Material Composition | Alloy Steel with Chromium, Molybdenum, and optional Vanadium |
| End Type | Plain, Beveled, Threaded |
| Length Options | Single, Double Random, Custom Lengths (up to 12 meters) |
| End Protection | Plastic Caps |
| Outside Coating | Anti-Corrosion Oil, Black Painting |
| Tolerance Type | Outside Diameter (OD) | Wall Thickness (WT) |
| Size Tolerance | +1% / -1% of specified OD | +12.5% / -10% of specified WT |
| Outside Diameter (mm) | Wall Thickness (mm) | Nominal Size (in.) | Schedule | Weight (Kg/m) |
| 13.72 | 1.65 | 1/4 | SCH 10S | 0.50 |
| 21.34 | 3.73 | 1/2 | SCH 80 | 1.65 |
| 42.16 | 6.35 | 1-1/4 | SCH 160 | 5.69 |
| 88.90 | 11.13 | 3 | SCH 160 | 21.67 |
| 168.28 | 18.26 | 6 | SCH 160 | 68.59 |
Note: Additional sizes and weights are available upon request.
| Grade | Yield Strength (Min) | Tensile Strength (Min) | Elongation (%) |
| P1 | 205 MPa | 415 MPa | 20-30 |
| Element | Maximum % Composition |
| Carbon (C) | 0.05-0.15% |
| Manganese (Mn) | 0.30-0.80% |
| Phosphorus (P) | 0.025% |
| Sulfur (S) | 0.025% |
| Silicon (Si) | 0.10-0.50% |
| Chromium (Cr) | 0.44-0.65% |
| Molybdenum (Mo) | 0.44-0.65% |
| Pipe Type | Price Range (USD) |
| ASTM A335 P1 Seamless Pipes | $700 – $1,600 |
For welding ASTM A335 P1 pipes, careful handling is required to avoid excessive hardness and residual stress. Post-Weld Heat Treatment (PWHT) is recommended for pipes with thicknesses over 13 mm to maintain mechanical stability, while preheating to 120°C may be sufficient for thinner sections. This treatment helps reduce the risk of stress cracking and ensures robust connections in demanding high-temperature environments.
| Feature | P1 | P11 |
| Carbon Content | 0.05-0.15% | 0.05-0.15% |
| Yield Strength (Min) | 205 MPa | 310 MPa |
| Applications | High-Temperature, Low Stress | High-Temperature, High Pressure |
Looking for ASTM A335 P1 alloy steel pipes for high-temperature applications? Contact Kwality Steelage Pvt. Ltd. today for quality solutions designed to meet your specific industry needs.
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+91 88792 51118
We Kwality Steelage Pvt. Ltd. are professionally organized firm engaged in exporting and supplying Stainless Steel, Carbon Steel, Alloy Steel, Nickel Alloys, Duplex, Super duplex and other Ferrous & Non-Ferrous Metal products such as Pipes, tubes, Pipe, Tubes, Pipe Fittings, Piping Spools, LR Bends, Sheets, Plates, Rods, Flanges, Fasteners, Gaskets.
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