Phehlukwayo Metal, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in top-notch Stainless Steel 17-4PH Forgings that are built for high strength, toughness, and resistance to corrosion. Thanks to their cutting-edge forging technology and a keen eye for precision engineering, the company guarantees that every product aligns with international quality and performance standards. Their Stainless Steel 17-4PH Forgings are perfect for demanding applications that require exceptional mechanical properties and the ability to withstand harsh environments. With a strong commitment to innovation and quality, Phehlukwayo Metal delivers dependable stainless steel solutions for various sectors, including industrial, aerospace, and engineering.
These Stainless Steel 17-4PH Forgings primarily consist of iron, along with about 15–17.5% chromium, 3–5% nickel, 3–5% copper, and trace amounts of niobium and manganese. This type of precipitation-hardening stainless steel offers a remarkable combination of high tensile and yield strength, along with excellent corrosion resistance. Mechanically, it boasts a tensile strength of up to 1310 MPa and a yield strength of around 1170 MPa after heat treatment. Its impressive hardness, toughness, and machinability make it an excellent choice for components that face both mechanical stress and corrosive conditions.
Specifications ASTM B564 / ASME SB564 AMS 5644
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
| Grade | C | Ni | Si | S | Mn | P | Cr | Cu | |
| SS 17-4 PH | min. | – | 3.0 | – | – | – | – | 15.00 | 3.0 |
| max. | 0.07 | 5.0 | 1.00 | 0.03 | 1.0 | 0.04 | 17.5 | 5.0 | |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
| 17-4 PH | 135 | 16 | 105 | 277 |
| STANDARD | UNS | WERKSTOFF NR. |
| 17-4 PH | S17400 | 1.4542 |
The ideal temperature range for forging Stainless Steel 17-4PH is 1850°F to 2050°F (1010°C to 1120°C). Post-forging, annealing or solution treating is necessary to achieve optimal properties.
Yes, Stainless Steel 17-4PH forgings can be forged into custom shapes. This alloy offers excellent strength, corrosion resistance, and machinability, making it suitable for precision custom forging applications.
The forging process for Stainless Steel 17-4PH typically takes several hours, including heating, shaping, and cooling. The exact duration depends on part size, complexity, and specific forging techniques used.
Stainless Steel 17-4PH Forgings are extensively utilized across industries such as aerospace, petrochemical, marine, and power generation, thanks to their exceptional strength and resistance to corrosion. They are particularly well-suited for crafting shafts, valves, pump components, turbine blades, and fasteners that demand high mechanical performance. In the aerospace industry, these forgings are commonly used for structural parts and landing gear components, as they maintain stability under dynamic loads. Their ability to retain strength and resist oxidation in both corrosive and high-temperature settings makes Stainless Steel 17-4PH Forgings a go-to material for critical engineering applications.
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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