Luois Metals, a well-respected manufacturer and supplier located in Houston, USA, specializes in top-notch Stainless Steel 17-4 PH Forgings. These forgings are celebrated for their impressive strength, toughness, and remarkable resistance to corrosion. Crafted using cutting-edge forging techniques and rigorous quality control, they offer exceptional dimensional accuracy, a smooth surface finish, and durability that lasts. The Stainless Steel 17-4 PH is a martensitic precipitation-hardening stainless steel, making it an excellent choice for demanding applications in industries like aerospace, petrochemical, marine, and general engineering. Luois Metals guarantees that their Stainless Steel 17-4 PH Forgings comply with international standards, providing reliable solutions for both standard and custom engineering needs.
The composition of Stainless Steel 17-4 PH Forgings includes 15–17.5% chromium, 3–5% nickel, 3–5% copper, and trace amounts of niobium/columbium, with iron making up the rest. This blend results in outstanding mechanical properties, such as impressive tensile and yield strength, superior hardness, and good ductility. Additionally, the alloy boasts high resistance to stress corrosion cracking, pitting, and oxidation. Its ability to be precipitation-hardened allows for the customization of mechanical properties through heat treatment, ensuring stability and performance even in high-stress situations. These features make 17-4 PH forgings a reliable choice for critical applications.
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 17-4 PH Forgings find extensive use in aerospace components, turbine blades, petrochemical equipment, pump shafts, marine hardware, nuclear reactor parts, and precision-engineered machinery. Their unique combination of high strength, excellent corrosion resistance, and performance in extreme conditions makes them ideal for defense, energy, and industrial applications. These forgings are perfect for components that require exceptional fatigue resistance and a long service life. Luois Metals is committed to producing its Stainless Steel 17-4 PH Forgings to the highest quality standards.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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