Phehlukwayo Metal, located in Cape Town, South Africa, is a reputable manufacturer and supplier of top-notch stainless steel products, including 17-4 PH Bars and Rods. Known for their precision and reliability, this company provides materials that adhere to strict industry standards, serving a variety of sectors like aerospace, chemical, and petrochemical industries. With a strong focus on quality, durability, and timely delivery, Phehlukwayo Metal guarantees that clients receive stainless steel solutions that blend strength with corrosion resistance, supporting both critical industrial applications and specialized engineering projects across South Africa and beyond.
Stainless Steel 17-4 PH is a martensitic precipitation-hardening stainless steel, typically composed of 16–17.5% chromium, 3–5% nickel, and 3–5% copper, along with trace amounts of manganese, silicon, and niobium. This alloy boasts impressive mechanical properties, including high tensile strength, hardness, and good corrosion resistance, particularly in mildly corrosive environments. It can be heat-treated to achieve a broad range of mechanical strengths, making it adaptable for applications that demand both toughness and durability while maintaining structural integrity under stress and elevated temperatures.
Dimension : EN, DIN, JIS, ASTM, BS, ASME, AISI
Grade : 17-4 PH (UNS No. S17400) Round Bars 1.4542
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Our 17-4 PH Round Bars conforms to NACE MR0175/ISO 15156
| Grade | C | P | Si | Ni | Cu | Fe | Mn | S | Cr | Cb+Ta |
| SS 17-4 PH | 0.07 | 0.04 | 1.0 max | 3.0 – 5.0 | 3.0 – 5.0 | Bal | 1.0 max | 0.03 | 15.0 – 17.5 | 5 X C / 0.45 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 17-4 PH | 1.4542 | S17400 |
Stainless Steel 17-4 PH Bars and Rods are known for their exceptional strength and corrosion resistance. The alloy undergoes a precipitation hardening process, which significantly enhances its tensile strength, yield strength, and fatigue resistance, making it ideal for demanding applications in aerospace, automotive, and other industries that require materials to withstand high-stress environments.
Yes, Stainless Steel 17-4 PH Bars and Rods can be heat treated to achieve various hardness levels and mechanical properties. The material is often solution annealed and then precipitation hardened to optimize strength, corrosion resistance, and toughness, depending on the specific requirements of the application.
17-4 PH stainless steel bars and rods find extensive use in industries that require a blend of high strength, hardness, and corrosion resistance. Typical applications include aerospace components, chemical processing equipment, petrochemical valves, shafts, and structural parts. They are also utilized in tooling, fixtures, and high-performance engineering applications where precise dimensional stability is crucial. The material’s wear resistance and ability to retain mechanical properties in challenging conditions make it ideal for marine, oil and gas, and industrial machinery sectors, ensuring reliable performance and longevity in demanding operational environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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