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Based in the industrious city of Hamilton, Will Sheetsandplates stands as a trusted local source for high-performance metals, bringing specialised materials directly to New Zealand’s key industries. We are pleased to supply the Stainless Steel 15-5 PH Circle, a precipitation-hardening alloy renowned for its exceptional combination of strength and corrosion resistance. Our team is dedicated to providing not just the product, but the expert support to ensure you select the ideal material for your most demanding fabrication projects, sourced with reliable, local service.
The composition of 15-5 PH Stainless Steel is a careful balance, centred around a chromium-nickel-copper base. This is enhanced with niobium for stability, which allows it to be heat treated to achieve impressive mechanical properties. Through a process called precipitation hardening, this grade develops remarkable strength and hardness without sacrificing its inherent toughness. This means it can be machined into complex components in a relatively soft condition and then hardened to a high level, offering excellent versatility for manufacturers.
| 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.
The unique properties of the 15-5 PH circle make it indispensable for components that must perform under pressure. You will frequently find it in aerospace fittings, pump shafts, and valve parts where high strength and resistance to corrosive environments are non-negotiable. It’s also a prime choice for the medical and food processing industries, where its ability to be polished to a high finish and withstand sterilisation is crucial. Essentially, wherever an application calls for a material that is both incredibly strong and highly durable against wear and corrosion, this alloy delivers outstanding performance.
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