Naing Steel stands as a trusted manufacturer and supplier in Naypyidaw, committed to supporting Myanmar’s growing industrial sectors with precision-engineered materials. We take pride in producing Alloy Steel P9 Pipes that meet rigorous international standards, ensuring reliability for the most demanding applications. Our focus is on delivering not just a product, but a dependable solution built on local expertise and a deep understanding of the specific needs of our clients, helping to build a stronger, more resilient industrial foundation for the nation.
The composition of Alloy Steel P9 Pipes is carefully balanced, primarily featuring chromium and molybdenum, which gives them a distinct advantage. This specific blend results in exceptional mechanical properties, including remarkable tensile strength and excellent resistance to creep, allowing them to perform consistently under high temperatures and intense pressure. Essentially, these pipes are built to withstand harsh conditions without compromising their structural integrity, making them a robust and long-lasting choice for critical systems.
| ASTM A335 P9 Pipe Standards | ASTM A 335, ASME SA 335 |
| Alloy Steel P9 Pipe Specialized in | Large Diameter Size |
| Alloy Steel ASTM A335 P9 Pipe Outer Dimensions | 19.05mm – 114.3mm |
| Steel P9 Pipe Wall Thickness | 2.0mm – 14 mm |
| Alloy Steel ASTM A335 P9 Pipe Length | max 16000mm |
| ASTM A335 P9 Pipe Schedule | Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk. |
| SA335 P9 Pipe Form | Round, Square, Rectangular, Hydraulic Etc. |
| Alloy Steel SA335 P9 Standard | ASTM A335 P9, SA335 P9 (with IBR Test Certificate) |
| ASTM A335 P9 Pipe Size | 1/2” NB to 36” NB |
| Alloy Steel ASTM A335 P9 Pipe Thickness | 3-12mm |
| Alloy Steel P9 Pipe Tolerance | Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm |
| Alloy Steel ASTM A335 P9 Pipe Craft | Cold rolled and Cold drawn |
| ASTM A335 P9 Pipe Type | Seamless / ERW / Welded / Fabricated |
| ASME SA335 P9 Pipe Length | Single Random, Double Random & Cut Length. |
| Alloy Steel ASTM A335 P9 Pipe End | Plain End, Beveled End, Treaded |
| ASTM A335 P9 Pipe Specialized in | Large Diameter A335 P9 |
| Alloy Steel P9 Pipe Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| P9 Pipe Application | Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
| Alloy Steel P9 | C | Cr | Mn | Mo | P | S | Si |
| 0.05 – 0.15 | 0.90 – 1.10 | 0.30 – 0.60 | 0.90 – 1.10 | 0.025 max | 0.025 max | 0.25 – 1.00 |
| Tensile Strength, MPa | Yield Strength, MPa | Elongation |
| 415 min | 205 min | 30 min |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Naing Steel is a major manufacturer and a supplier of premium Alloy Steel P9 pipe in Naypyidaw, the Myanmar. With specialization in steel solutions, we offer a variety of products including carbon steel, alloy steel, light steel and galvanized steel. Our wide bearing has pipes, pipes, flanges, pipe fittings, forged fittings, sheets and plates. We are famous for our reliable distribution and extraordinary customer service, and are committed to offering high quality steel materials that ensure durability and better performance in different industrial applications. We are committed to skill, and we are your reliable partners for all steel requirements.
| ASTM | ASME | JIS G 3458 | UNS | BS | DIN | ISO | ABS | NK | LRS |
|---|---|---|---|---|---|---|---|---|---|
| A335 P9 | SA335 P9 | STPA 26 | S50400 | 3604 P1 629-470 | 2604 II TS38 |
| O.D.(mm) x Thickness(mm) | O.D(mm) x Thickness(mm) | O.D(mm) x Thickness(mm) |
|---|---|---|
| 38.1 x 3.2 | 57.0 x 4.9 | 76.2 x 4.0 |
| 38.1 x 4.0 | 57.0 x 6.3 | 76.2 x 5.0 |
| 38.1 x 6.3 | 57.0 x 7.9 | 76.2 x 6.3 |
| 42.4 x 3.2 | 60.3 x 3.2 | 82.5 x 4.5 |
| 42.4 x 4.0 | 60.3 x 3.6 | 88.9 x 3.2 |
| 44.5 x 3.2 | 60.3 x 5.0 | 88.9 x 3.6 |
| 44.5 x 6.3 | 63.5 x 3.2 | 88.9 x 4.0 |
| 48.3 x 3.2 | 63.5 x 3.6 | 101.6 x 3.6 |
| 48.3 x 3.6 | 63.5 x 4.0 | 101.6 x 4.5 |
| 50.8 x 4.5 | 63.5 x 6.3 | 101.6 x 6.3 |
| 51.0 x 3.2 | 63.5 x 7.9 | 114.3 x 3.6 |
| 51.0 x 3.6 | 70.0 x 3.2 | 114.3 x 5.0 |
| 51.0 x 6.3 | 70.0 x 3.6 | 139.7 x 4.0 |
| 57.0 x 3.2 | 70.0 x 6.3 | 139.7 x 5.0 |
| 57.0 x 3.6 | 76.2 x 3.6 | 139.7 x 6.3 |
| ASTM A335 P9 Pipe Size NPS | Pipe O.D. | Wall Thickness | Pipe I.D. | Weight per Foot |
| 1/2 | 0.84 | 0.109 | 0.622 | 0.85 |
| 0.147 | 0.546 | 1.09 | ||
| 0.188 | 0.464 | 1.31 | ||
| 0.294 | 0.252 | 1.72 | ||
| 3/4 | 1.05 | 0.113 | 0.824 | 1.13 |
| 0.154 | 0.742 | 1.48 | ||
| 0.219 | 0.612 | 1.95 | ||
| 0.308 | 0.434 | 2.44 | ||
| 1 | 1.315 | 0.133 | 1.049 | 1.68 |
| 0.179 | 0.957 | 2.17 | ||
| 0.250 | 0.815 | 2.85 | ||
| 0.358 | 0.599 | 3.66 | ||
| 1 1/4 | 1.66 | 0.140 | 1.380 | 2.27 |
| 0.191 | 1.278 | 3.00 | ||
| 0.250 | 1.160 | 3.77 | ||
| 0.382 | 0.896 | 5.22 | ||
| 1 1/2 | 1.90 | 0.145 | 1.610 | 2.72 |
| 0.200 | 1.500 | 3.63 | ||
| 0.281 | 1.338 | 4.86 | ||
| 0.400 | 1.100 | 6.41 | ||
| 2 | 2.375 | 0.109 | 2.157 | 2.64 |
| 0.154 | 2.067 | 3.66 | ||
| 0.218 | 1.939 | 5.03 | ||
| 0.250 | 1.875 | 5.68 | ||
| 0.281 | 1.813 | 6.29 | ||
| 0.344 | 1.687 | 7.47 | ||
| 0.436 | 1.503 | 9.04 | ||
| 2 1/2 | 2.875 | 0.120 | 2.635 | 3.53 |
| 0.203 | 2.469 | 5.80 | ||
| 0.216 | 2.443 | 6.14 | ||
| 0.250 | 2.375 | 7.02 | ||
| 0.276 | 2.323 | 7.67 | ||
| 0.375 | 2.125 | 10.02 | ||
| 0.552 | 1.771 | 13.71 |
The unique strength of Alloy Steel P9 Pipes makes them indispensable in environments where heat and pressure are a constant challenge. You will typically find them at the heart of power generation plants, within petroleum refineries, and throughout chemical processing facilities, where they reliably transport superheated steam, hot gases, and corrosive chemicals. Their ability to maintain performance under such stress ensures the safety and efficiency of these complex industrial operations, making them a fundamental component in keeping critical infrastructure running smoothly.
Naing Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Naypyidaw, Myanmar.
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