For over a decade, Desta Steel has stood as a cornerstone of industrial progress in Addis Ababa, supplying premium materials to Ethiopia’s growing infrastructure. We take pride in our specialization in high-performance alloys, particularly our reliable stock of Alloy Steel P23 Pipes. These pipes represent the cutting edge of material science, engineered to meet the demanding requirements of modern power generation and industrial applications, ensuring our clients receive nothing less than superior quality and dependable performance for their most critical projects.
The exceptional strength of Alloy Steel P23 stems from its precise composition, which is primarily chromium and molybdenum, enhanced with strategic additions of vanadium and tungsten. This specific formula gives the pipes remarkable mechanical properties, including excellent creep strength, allowing them to withstand immense pressure and extreme heat over long periods without deforming. This makes them incredibly resilient under the harshest operating conditions, ensuring long-term reliability and safety.
| Alloy Steel ASTM A335 P23 Size | : | 1/8NB TO 24NB IN |
| ASTM A335 P23 Alloy Steel Standards | : | ASTM A 335, ASME SA 335, ANSI B36.10 |
| Alloy Steel ASTM A335 P23 Type | : | Seamless |
| ASTM A335 P23 Alloy Steel Pipe Specialized in | : | Large Diameter Size |
| Alloy Steel P23 Pipes Outer Dimensions | : | 19.05mm ā 114.3mm |
| ASTM A335 P23 Alloy Steel Pipe Wall Thickness | : | 2.0mm ā 14 mm |
| Alloy Steel P23 Pipe Length | : | max 16000mm |
| Alloy Steel P23 Pipes Schedule | : | Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk. |
| Alloy Steel P23 Pipes Form | : | Round, Square, Rectangular, Hydraulic Etc. |
| ASTM A335 P23 Alloy Steel Pipes Length | : | Single Random, Double Random & Cut Length. |
| Alloy Steel P23 Pipes End | : | Plain End, Beveled End, Treaded |
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V, % | Nb, % | B,% | N, % | Al, % | W, % |
| 0.04-0.10 | 0.1-0.6 | 0.03 max | 0.01 max | 0.5 max | 1.9-2.6 | 0.05-0.30 | 0.20-0.30 | 0.02-0.08 | 0.0005-0.006 | 0.03 max | 0.03 max | 1.45-1.75 |
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 510 min | 400 min | 20 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 P23 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.
| 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 |
| Size NPS | Pipe O.D. | Wall Thickness | Pipe I.D. | Weight per Foot | Standard to XXHY | Schedule Pipe # | Section Modulus | Gallon Capacity Per Linear Foot |
| 1/2 | 0.84 | 0.109 | 0.622 | 0.85 | STD | 40 | .0407 | .0158 |
| Ā | Ā | 0.147 | 0.546 | 1.09 | XHY | 80 | .0478 | .0122 |
| Ā | Ā | 0.188 | 0.464 | 1.31 | Ā | 160 | .0528 | .0088 |
| Ā | Ā | 0.294 | 0.252 | 1.72 | XXHY | Ā | .0577 | .0026 |
| 3/4 | 1.05 | 0.113 | 0.824 | 1.13 | STD | 40 | .0705 | .0277 |
| Ā | Ā | 0.154 | 0.742 | 1.48 | XHY | 80 | .0853 | .0225 |
| Ā | Ā | 0.219 | 0.612 | 1.95 | Ā | 160 | .1006 | .0153 |
| Ā | Ā | 0.308 | 0.434 | 2.44 | XXHY | Ā | .1103 | .0077 |
| 1 | 1.315 | 0.133 | 1.049 | 1.68 | STD | 40 | .1328 | .0449 |
| Ā | Ā | 0.179 | 0.957 | 2.17 | XHY | 80 | .1606 | .0374 |
| Ā | Ā | 0.250 | 0.815 | 2.85 | Ā | 160 | .1904 | .0271 |
| Ā | Ā | 0.358 | 0.599 | 3.66 | XXHY | Ā | .2136 | .0146 |
| 1 1/4 | 1.66 | 0.140 | 1.380 | 2.27 | STD | 40 | .2346 | .0777 |
| Ā | Ā | 0.191 | 1.278 | 3.00 | XHY | 80 | .2913 | .0666 |
| Ā | Ā | 0.250 | 1.160 | 3.77 | Ā | 160 | .3421 | .0549 |
| Ā | Ā | 0.382 | 0.896 | 5.22 | Ā | Ā | .4110 | .0328 |
| 1 1/2 | 1.90 | 0.145 | 1.610 | 2.72 | STD | 40 | .3262 | .1058 |
| Ā | Ā | 0.200 | 1.500 | 3.63 | XHY | 80 | .4118 | .0918 |
| Ā | Ā | 0.281 | 1.338 | 4.86 | Ā | 160 | .5079 | .0730 |
| Ā | Ā | 0.400 | 1.100 | 6.41 | Ā | Ā | .5977 | .0494 |
| 2 | 2.375 | 0.109 | 2.157 | 2.64 | Ā | 10 | .4205 | .1898 |
| Ā | Ā | 0.154 | 2.067 | 3.66 | STD | 40 | .5606 | .1743 |
| Ā | Ā | 0.218 | 1.939 | 5.03 | XHY | 80 | .7309 | .1534 |
| Ā | Ā | 0.250 | 1.875 | 5.68 | Ā | Ā | .8045 | .1434 |
| Ā | Ā | 0.281 | 1.813 | 6.29 | Ā | Ā | .8666 | .1344 |
| Ā | Ā | 0.344 | 1.687 | 7.47 | Ā | 160 | .9806 | .1161 |
| Ā | Ā | 0.436 | 1.503 | 9.04 | XXHY | Ā | 1.1043 | .0922 |
| 2 1/2 | 2.875 | 0.120 | 2.635 | 3.53 | Ā | 10 | .6870 | .2833 |
| Ā | Ā | 0.203 | 2.469 | 5.80 | STD. | 40 | 1.0640 | .2487 |
| Ā | Ā | 0.216 | 2.443 | 6.14 | Ā | Ā | 1.1169 | .2435 |
| Ā | Ā | 0.250 | 2.375 | 7.02 | Ā | Ā | 1.2468 | .2301 |
| Ā | Ā | 0.276 | 2.323 | 7.67 | XHY | 80 | 1.3386 | .2202 |
| Ā | Ā | 0.375 | 2.125 | 10.02 | Ā | 160 | 1.6371 | .1842 |
| Ā | Ā | 0.552 | 1.771 | 13.71 | XXXHY | Ā | 1.9971 | .1280 |
| 3 | 3.50 | 0.120 | 3.260 | 4.34 | Ā | Ā | 1.0411 | .4336 |
| Ā | Ā | 0.156 | 3.188 | 5.58 | Ā | Ā | 1.3122 | .4147 |
| Ā | Ā | 0.172 | 3.156 | 6.12 | Ā | Ā | 1.4265 | .4064 |
| Ā | Ā | 0.188 | 3.124 | 6.66 | Ā | Ā | 1.5342 | .3984 |
| Ā | Ā | 0.216 | 3.068 | 7.58 | STD. | 40 | 1.7241 | .3840 |
| Ā | Ā | 0.250 | 3.000 | 8.69 | Ā | Ā | 1.9372 | .3672 |
| Ā | Ā | 0.281 | 2.938 | 9.67 | Ā | Ā | 2.1207 | .3521 |
| Ā | Ā | 0.300 | 2.900 | 10.26 | XHY | 80 | 2.2253 | .3431 |
| Ā | Ā | 0.438 | 2.624 | 14.34 | Ā | 160 | 2.8774 | .2811 |
| Ā | Ā | 0.600 | 2.300 | 18.6 | XXHY | Ā | 3.4243 | .2158 |
| 3 1/2 | 4.0 | 0.120 | 3.760 | 4.98 | Ā | 10 | 1.3776 | .5768 |
| Ā | Ā | 0.226 | 3.548 | 9.12 | STD. | 140 | 2.3939 | .5136 |
| Ā | Ā | 0.250 | 3.500 | 10.02 | Ā | Ā | 2.6001 | .4998 |
| Ā | Ā | 0.281 | 3.438 | 11.17 | Ā | Ā | 2.8562 | .4821 |
| Ā | Ā | 0.318 | 3.364 | 12.52 | XHY | 80 | 3.1400 | .4617 |
| Ā | Ā | 0.636 | 2..728 | 22.87 | XXHY | Ā | 4.8795 | .3085 |
| 4 | 4.5 | 0.120 | 4.260 | 5.62 | Ā | 10 | 1.7612 | .7404 |
| Ā | Ā | 0.156 | 4.188 | 7.24 | Ā | Ā | 2.2354 | .7156 |
| Ā | Ā | 0.188 | 4.124 | 8.67 | Ā | Ā | 2.6296 | .6942 |
| Ā | Ā | 0.203 | 4.094 | 9.32 | Ā | Ā | 2.8173 | .6838 |
| Ā | Ā | 0.219 | 4.062 | 10.02 | Ā | Ā | 3.0184 | .6725 |
| Ā | Ā | 0.237 | 4.026 | 10.80 | STD. | 40 | 3.2145 | .6613 |
| Ā | Ā | 0.250 | 4.000 | 11.36 | Ā | Ā | 3.3611 | .6528 |
| Ā | Ā | 0.281 | 3.938 | 12.67 | Ā | 60 | 3.7021 | .6326 |
| Ā | Ā | 0.312 | 3.876 | 13.97 | Ā | Ā | 4.0273 | .6126 |
| Ā | Ā | 0.337 | 3.826 | 15.00 | XHY | 80 | 4.2713 | .5972 |
| Ā | Ā | 0.438 | 3.624 | 19.02 | Ā | 120 | 5.1790 | .5361 |
| Ā | Ā | 0.531 | 3.438 | 22.53 | Ā | 160 | 5.8997 | .4822 |
| Ā | Ā | 0.674 | 3.152 | 27.57 | XXHY | Ā | 6.7927 | .4054 |
| 5 | 5.563 | 0.188 | 5.187 | 10.80 | Ā | Ā | 4.1161 | 1.0979 |
| Ā | Ā | 0.219 | 5.125 | 12.51 | Ā | Ā | 4.7279 | 1.0716 |
| Ā | Ā | 0.258 | 5.047 | 14.63 | STD. | 40 | 5.4500 | 1.0391 |
| Ā | Ā | 0.281 | 5.001 | 15.87 | Ā | Ā | 5.8644 | 1.0204 |
| Ā | Ā | 0.312 | 4.939 | 17.51 | Ā | Ā | 6.4074 | .99647 |
| Ā | Ā | 0.344 | 4.875 | 19.19 | Ā | Ā | 6.9358 | .9696 |
| Ā | Ā | 0.375 | 4.813 | 20.80 | XHY | 80 | 7.4300 | .9449 |
| Ā | Ā | 0.500 | 4.563 | 27.06 | Ā | 120 | 9.2534 | .8495 |
| Ā | Ā | 0.625 | 4.313 | 32.99 | Ā | 160 | 10.7976 | .7590 |
| Ā | Ā | 0.750 | 4.063 | 38.59 | XXHY | Ā | 12.0954 | .6734 |
| 6 | 6.625 | 0.109 | 6.407 | 7.59 | Ā | 5 | 3.5769 | 1.6748 |
| Ā | Ā | 0.134 | 6.357 | 9.30 | Ā | 10 | 4.3475 | 1.6488 |
| Ā | Ā | 0.156 | 6.313 | 10.79 | Ā | Ā | 5.0107 | 1.6260 |
| Ā | Ā | 0.188 | 6.249 | 12.94 | Ā | Ā | 5.9351 | 1.5937 |
| Ā | Ā | 0.203 | 6.219 | 13.94 | Ā | Ā | 6.3804 | 1.5780 |
| Ā | Ā | 0.219 | 6.187 | 15.00 | Ā | Ā | 6.8261 | 1.5620 |
| Ā | Ā | 0.250 | 6.125 | 17.04 | Ā | Ā | 7.6905 | 1.5306 |
| Ā | Ā | 0.280 | 6.065 | 18.99 | STD. | 40 | 8.4958 | 1.5008 |
| Ā | Ā | 0.312 | 6.001 | 21.06 | Ā | Ā | 9.3416 | 1.4688 |
| Ā | Ā | 0.344 | 5.937 | 23.10 | Ā | Ā | 10.111 | 1.4391 |
| Ā | Ā | 0.375 | 5.875 | 25.05 | Ā | Ā | 10.893 | 1.4082 |
| Ā | Ā | 0.432 | 5.761 | 28.60 | XHY | 80 | 12.224 | 1.3541 |
| Ā | Ā | 0.500 | 5.625 | 32.74 | Ā | Ā | 13.711 | 1.2909 |
| Ā | Ā | 0.562 | 5.501 | 36.43 | Ā | 120 | 14.9806 | 1.2346 |
| Ā | Ā | 0.625 | 5.375 | 40.09 | Ā | Ā | 16.1821 | 1.1787 |
| Ā | Ā | 0.719 | 5.187 | 45.39 | Ā | 160 | 17.8243 | 1.0977 |
| Ā | Ā | 0.864 | 4.897 | 53.21 | XXHY | Ā | 20.025 | .9784 |
| Ā | Ā | 1.000 | 4.625 | 60.13 | Ā | Ā | 21.7719 | .8727 |
| Ā | Ā | 1.125 | 4.375 | 66.14 | Ā | Ā | 23.1237 | .7809 |
Alloy Steel P23 Pipes are predominantly used in the construction of advanced power plants, where they are essential for high-pressure piping systems and superheater tubes. Their ability to perform reliably in high-temperature, high-stress environments also makes them ideal for various demanding industrial settings, including petrochemical refining and large-scale thermal processing units. Essentially, wherever there is a need for uncompromising performance under extreme heat and pressure, P23 pipes provide a trusted and durable solution, forming the backbone of robust and efficient industrial operations.
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.
Copyright 2025 Desta Steel. All rights reserved