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Yunus Sheets and Plates, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of Stainless Steel 15-5 PH Circles. They pride themselves on delivering high-quality products that meet international standards. Thanks to their cutting-edge production technology and rigorous quality control processes, Yunus guarantees circles that boast impressive strength, durability, and resistance to corrosion. The Stainless Steel 15-5 PH Circle is a type of precipitation-hardening martensitic stainless steel, known for its remarkable mechanical performance and solid resistance to oxidation and stress corrosion cracking. With a commitment to timely delivery, competitive pricing, and dependable quality, Yunus has carved out a significant niche in both local and global industrial markets.
The composition of Stainless Steel 15-5 PH Circle includes about 15% chromium, 4–5% nickel, 3% copper, and 0.07% carbon, along with trace amounts of niobium and tantalum to aid in precipitation hardening. This unique blend allows the material to achieve impressive strength and hardness through heat treatment while still offering good corrosion resistance. In terms of mechanical properties, the SS 15-5 PH Circle provides a tensile strength ranging from 930 to 1,200 MPa, yield strength between 850 and 1,100 MPa, elongation of 10–12%, and hardness reaching up to 44 HRC, depending on the heat treatment conditions. These characteristics make it an ideal choice for aerospace, structural, and mechanical applications that require high-performance stainless steel.
| 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.
Industries that require high strength, toughness, and corrosion resistance widely utilize Stainless Steel 15-5 PH Circles. They find common applications in aerospace components, chemical and petrochemical equipment, and structural supports where exceptional mechanical performance is essential. Additionally, these circles are used in valves, pumps, shafts, and high-stress mechanical assemblies in power generation and heavy engineering sectors. Their blend of strength, corrosion resistance, and toughness makes SS 15-5 PH Circles a go-to option for demanding industrial and high-performance applications around the globe.
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