Nestled in the heart of Kinshasa, Yoane Steel stands as a dedicated partner for industry, proudly manufacturing and supplying robust Alloy Steel P9 Pipes. We understand the critical demands of modern infrastructure and power generation, which is why our focus is on delivering pipes built with precision and resilience. Our commitment goes beyond mere supply; we provide reliable solutions that meet the stringent requirements of our clients across Congo, ensuring that every project is supported by quality materials and local expertise you can count on.
The strength of Alloy Steel P9 Pipes comes from a carefully balanced composition, primarily chromium and molybdenum, which gives them a remarkable ability to perform under intense heat and pressure. This specific blend results in excellent tensile strength and outstanding resistance to creep, meaning these pipes maintain their integrity even when subjected to continuous high temperatures over long periods. Essentially, they are engineered not to falter, offering dependable performance in the most challenging thermal environments.
| 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.
Yoane Steel is a major manufacturer and a supplier of premium Alloy Steel P9 pipe in Kinshasa, the Congo. 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 |
These properties make Alloy Steel P9 Pipes indispensable in sectors where failure is not an option. They are the preferred choice for carrying superheated steam in power plant boilers, for intricate piping systems in refineries, and for demanding applications in the petrochemical industry. Their reliability also extends to heat exchangers and high-temperature processing equipment, proving crucial in projects that form the backbone of energy and industrial progress, ensuring safety and efficiency where it matters most.
Yoane 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 Kinshasa, Congo.
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