Operating from the heart of Addis Ababa, Desta Steel has built a reputation as a trusted partner for industries demanding reliability and performance. We specialize in supplying high-grade alloy steel, with our Alloy Steel P9 Pipes standing as a prime example of our commitment to quality. These pipes are engineered to meet the rigorous challenges of modern industrial applications, providing our clients across Ethiopia and beyond with materials they can count on for critical projects where failure is not an option.
The strength of Alloy Steel P9 Pipes comes from a specific chromium-molybdenum composition that gives them exceptional resilience under stress. They are designed to perform reliably in high-temperature environments, maintaining their structural integrity where ordinary steels would weaken. This makes them particularly valued for their consistent performance and longevity, offering a dependable solution for systems that operate under sustained pressure and intense heat.
| 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.
Desta Steel is a major manufacturer and a supplier of premium Alloy Steel P9 pipe in Addis Ababa, the Ethiopia. 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 |
Because of their robust nature, these pipes are indispensable in settings that push materials to their limits. You will typically find them forming the backbone of power generation plants, within the intricate networks of refineries, and in vital petrochemical processing systems. They are expertly crafted to safely convey superheated steam, hot oils, and other aggressive fluids, proving essential for maintaining operational continuity and safety in some of the most demanding industrial sectors.
Desta 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 Addis Ababa, Ethiopia.
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