Dang Steel, a top-notch manufacturer and supplier based in Da Nang, Vietnam, specializes in high-quality Alloy Steel P12 Pipes that meet ASTM A335/ASME SA335 standards. These pipes are designed to handle high temperatures with impressive strength, outstanding corrosion resistance, and long-lasting durability, making them perfect for industries like power generation, petrochemicals, and refineries. Thanks to cutting-edge production methods and rigorous quality checks, Dang Steel guarantees precise dimensions, reliable mechanics, and consistent performance. Their Alloy Steel P12 Pipes are in high demand both domestically and internationally for critical applications that require strength and resilience against thermal and pressure challenges.
The composition of Alloy Steel P12 Pipes includes carbon (0.05–0.15%), chromium (0.80–1.25%), molybdenum (0.44–0.65%), along with carefully controlled amounts of manganese, silicon, phosphorus, and sulfur. This unique blend gives the pipes a tensile strength ranging from 415 to 585 MPa, a minimum yield strength of 205 MPa, and at least 30% elongation. The chromium boosts oxidation resistance, while molybdenum enhances creep resistance and high-temperature strength, making P12 pipes a dependable choice for continuous operation under elevated temperatures and pressures.
| Size | 1/8NB TO 24NB IN |
| Type | Seamless |
| Outer Dimensions | 19.05mm – 114.3mm |
| ASTM A335 P12 Pipe Wall Thickness | 2.0mm – 14 mm |
| Length | max 16000mm |
| Schedule | Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk. |
| Length | Single Random, Double Random & Cut Length. |
| Tubing End | Plain End, Beveled End, Treaded. |
| Standard | ASTM A335 P12, SA335 P12 (with IBR Test Certificate) |
| Thickness | 3-12mm |
| Schedule | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Tolerance | Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm |
| Craft | Cold rolled and Cold drawn |
| Type | Seamless / ERW / Welded / Fabricated |
| available in Form of | Round, Square, Rectangular, Hydraulic Etc. |
| Length | Standard Double & In Cut length also. |
| Specialized in | Large Diameter SA335 P12 |
| Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| Application | Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
| Alloy Steel P12 | C | Cr | Mn | Mo | P | S | Si |
| 0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.025 max | 0.50 – 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.
Dang Steel is a major manufacturer and a supplier of premium Alloy Steel P12 pipe in Da Nang, the Vietnam. 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 | Equivalent material | JIS G 3458 | UNS | BS | DIN | ISO | ABS | NK | LRS |
|---|---|---|---|---|---|---|---|---|---|---|
| A335 P12 | SA335 P12 | T12 | STPA 22 | K11562 | 3604 P1 620-440 | 17175 13CrMo44 | – | ABS 12 | KSTPA 22 | Sec 2 1Cr 1/2Mo440 |
| Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Sec 3 1Cr 1/2Mo440 |
| 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 P12 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 |
Alloy Steel P12 Pipes find extensive use in high-temperature piping systems, including boilers, superheaters, reheaters, and heat exchangers in power plants. They are also crucial in petrochemical and refinery facilities for transporting steam, hot gases, and corrosive fluids. Their ability to endure prolonged thermal and mechanical stress makes them ideal for oil and gas pipelines, chemical processing equipment, and pressure vessels. Strong, durable, and cost-effective, Alloy Steel P12 Pipes are a reliable solution for industries that demand high performance in tough operating conditions.
Dang 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 Da Nang, Vietnam.
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