Chuck Metals stands out as a top manufacturer and supplier of Stainless Steel 17-4 PH Bars and Rods in Singapore, specifically in Pulau Ujong. They’re well-known for providing high-quality precipitation-hardening stainless steel products. These bars and rods are designed for applications that demand high strength, moderate corrosion resistance, and outstanding mechanical properties. Chuck Metals takes pride in ensuring that every batch adheres to strict industry standards, delivering products that perform reliably even in tough environments. With a strong focus on quality, timely delivery, and customer satisfaction, the company has earned a solid reputation among clients in the aerospace, chemical, marine, and general engineering sectors who are looking for durable and high-performance material solutions.
The Stainless Steel 17-4 PH Bars and Rods are made up of about 15–17.5% chromium, 3–5% nickel, 3–5% copper, and 0.15–0.45% niobium, with the rest being iron. This alloy goes through a process called precipitation hardening, which gives it an impressive tensile strength of around 1100 MPa and a yield strength of 1000 MPa after heat treatment (H900 condition). It also shows good corrosion resistance, toughness, and machinability, maintaining excellent mechanical properties even at temperatures up to 316°C. The well-balanced composition and response to heat treatment make it perfect for critical components in aerospace and high-stress situations.
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.
You’ll find Stainless Steel 17-4 PH Bars and Rods in a variety of applications that require both high strength and corrosion resistance. They’re commonly used in aerospace structural components, parts for nuclear reactors, petrochemical shafts, marine fasteners, and valve stems. Additionally, these bars and rods are utilized in chemical processing equipment, pump shafts, and machinery in the food industry. Their remarkable mechanical properties and stability after heat treatment make them ideal for high-performance and precision components in challenging or variable environments, ensuring long-lasting performance and cost-effectiveness across various industrial sectors.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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