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Smith Fittings, located in Canberra, Australia, stands out as a top manufacturer and supplier of premium stainless steel products, including the Stainless Steel 15-5 PH Circle. Known for its precision engineering and remarkable durability, this high-grade stainless steel offers outstanding corrosion resistance paired with impressive strength, making it perfect for tough industrial and aerospace applications. At Smith Fittings, every circle is meticulously crafted to meet strict standards, ensuring consistent performance and reliability. With a strong commitment to customer satisfaction, timely delivery, and technical support, Smith Fittings has earned a reputation as a trusted provider for industries in need of high-performance 15-5 PH stainless steel solutions.
The Stainless Steel 15-5 PH Circles belong to the precipitation-hardening martensitic stainless steel family. Typically, they consist of 15% chromium, 5% nickel, along with trace amounts of copper and niobium, striking a perfect balance between corrosion resistance and mechanical strength. This alloy is known for its excellent toughness, high fatigue resistance, and its ability to maintain hardness even at elevated temperatures. Its mechanical properties can be fine-tuned through heat treatment processes like solution annealing and aging, achieving yield strengths of up to 1,100 MPa while still retaining ductility, making it incredibly versatile for precision components and critical engineering applications.
| Specification : | ASTM A564 / ASME SA564 AMS 5643 |
| Standard : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length : | 1 to 6 Meters, Custom Cut Lengths |
| Form : | Round, Square, Hex (A/F), Rectangle Etc. |
| Grade | C | Cb+Ta | Cr | Cu | Fe | Mn | Ni | P | S | Si |
| SS 15-5 PH | 0.07 max | 0.15-0.45 max | 14.0-15.0 max | 2.5-4.5 max | Bal | 1.0 | 3.5-5.5 | 0.04 | 0.03 | 1.0 |
| Grade | Tensile Strength ksi (MPa) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Rockwell) MAX |
| SS 15-5 PH | 161,000 | 140,000 | 7.6% | C35 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The stainless steel 15-5 PH Circle offers exceptional benefits, including high strength, excellent corrosion resistance and excellent ductility. Its high mechanical properties make it ideal for complex applications in the aerospace, medical and marine industries. The robustness of the precipitation material provides reliable performance at high pressure and temperature conditions. Its outstanding weldability and machining properties enable precise manufacturing of various products. In addition, the uniformity in design provides durability, making it suitable for critical applications requiring design stability and corrosion resistance This alloy provides long-term and cost-effective reliability for industrial engineering requirements.
Stainless Steel 15-5 PH Circles find their place in industries where strength, corrosion resistance, and reliability are non-negotiable. You’ll often see them in aerospace components, chemical processing equipment, medical devices, and high-performance automotive parts. Their capacity to endure high stress, fatigue, and moderate temperatures makes them ideal for shafts, fasteners, valves, and structural components. Plus, they’re well-suited for environments that face corrosive chemicals or marine conditions. Smith Fittings offers these circles in a variety of sizes and finishes, catering to both standard and specialized needs.
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