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Saif Sheets and Plates is a trusted manufacturer and supplier in Muscat, Oman, offering premium-quality Stainless Steel 15-5 PH Circles for industries requiring high strength, toughness, and corrosion resistance. Stainless Steel 15-5 PH is a precipitation-hardening martensitic stainless steel engineered for superior mechanical performance in aerospace, petrochemical, and industrial applications. Saif Sheets and Plates ensures each circle meets international quality standards, delivering precision, durability, and reliable service life. These circles are ideal for aerospace components, shafts, fasteners, and structural parts where a combination of high mechanical performance, hardness, and corrosion resistance is essential.
Stainless Steel 15-5 PH Circles are composed of iron, chromium (15–17%), nickel (3–5%), copper (3–5%), and small amounts of niobium and manganese. This precipitation-hardening alloy provides high tensile strength, hardness, and excellent corrosion resistance. SS 15-5 PH Circles typically exhibit a tensile strength of 1,000–1,250 MPa, yield strength of 850–1,100 MPa, and elongation of 10–15%, depending on heat treatment. Their unique combination of toughness, hardness, and corrosion resistance makes them suitable for applications requiring high-performance mechanical properties and durability in moderate to aggressive environments.
| 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 are widely used in industries where high strength, hardness, and corrosion resistance are critical. Common applications include aerospace components, industrial machinery shafts, fasteners, chemical processing equipment, and high-performance mechanical parts. They are also employed in precision engineering assemblies, marine components, and structural applications requiring wear resistance and mechanical reliability. With excellent weldability, heat treatability, and mechanical stability, SS 15-5 PH Circles provide dependable performance in challenging environments. Their versatility, durability, and superior mechanical properties make them ideal for aerospace, industrial, chemical, and marine applications.
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