Nestled in the heart of Manama’s industrial landscape, Niazi Stainless has built a reputation as a trusted partner for high-performance alloys. We take pride in offering the exceptional Stainless Steel 15-5 PH Bar, a material chosen by engineers who demand unwavering reliability. This precipitation-hardening grade is engineered to deliver a superior combination of strength and corrosion resistance, making it an ideal solution for challenging environments where both durability and precision are non-negotiable.
The strength of 15-5 PH lies in its carefully balanced composition, primarily chromium and nickel, with additions of copper and niobium. This specific formula allows it to be heat-treated, or precipitation hardened, to achieve impressive mechanical properties. It can develop high tensile and yield strength while maintaining good toughness and ductility. This process also ensures excellent dimensional stability, meaning it resists warping or shifting during treatment, which is crucial for machined components.
| Specification : | ASTM A564 / ASME SA564 AMS 5643 |
| Standard : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bars : | Outside Diameter in the range of 4mm to 500mm |
| Bright Bars : | Outside Diameter in the range of 4mm to 100mm |
| Hex Bars : | 18mm – 57mm (11/16″ to 2-3/4″) |
| Square Bars : | 18mm – 47mm (11/16″ to 1-3/4″) |
| 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 |
| Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat capacity | Thermal expansion (1/°F) | Melting Point (°F) |
| 0.282 | 1.72 | 97 | 0.11 | 0.00000589 | 2560 |
Contact us to get a quick quote for your requirement.
At Niazi Stainless, stainless steel 15-5 PH bars undergo rigorous quality testing including hardness, tensile strength, ultrasonic, and corrosion resistance tests Each product is certified to meet international standards such as ASTM , AMS and ASME. Material Testing Certificates (MTC) and third-party inspection reports ensure the reliability and efficiency of each application.
SS 15-5 PH (Stainless Steel 15-5 PH) is a precipitation-hardening stainless steel alloy known for high strength, corrosion resistance, and excellent fatigue properties. It is commonly used in aerospace, chemical, and petrochemical industries. The bar round form is versatile for manufacturing components requiring strength and durability.
Stainless Steel 15-5 PH Flat Bar is a precipitation-hardening alloy offering high strength, excellent corrosion resistance, and good fatigue properties. It is widely used in aerospace, chemical, and petrochemical industries for applications requiring superior mechanical performance. Its flat bar form is ideal for structural and precision components.
SS 15-5 PH Square Bar is a precipitation-hardening stainless steel known for its high strength, corrosion resistance, and excellent fatigue properties. It is commonly used in aerospace, chemical, and petrochemical industries. The square bar shape is ideal for applications requiring precise dimensions and enhanced mechanical performance in various structural components.
Stainless Steel 15-5 PH Rectangular Bar is a high-strength, corrosion-resistant alloy offering excellent fatigue and mechanical properties. Commonly used in aerospace, chemical, and petrochemical industries, it provides superior performance in harsh environments. The rectangular bar shape is ideal for precise structural applications and components requiring durability and resistance to corrosion.
SS 15-5 PH Hexagonal Bar is a high-strength, corrosion-resistant stainless steel alloy, offering excellent mechanical properties and fatigue resistance. Widely used in aerospace, chemical, and petrochemical industries, the hexagonal bar shape is ideal for applications requiring precise, durable components with enhanced performance and resistance to harsh environments and corrosion.
SS 15-5 PH T-Bar is a high-strength, corrosion-resistant stainless steel alloy known for its excellent fatigue resistance and mechanical properties. Commonly used in aerospace, chemical, and petrochemical industries, the T-bar shape offers structural integrity and versatility for applications requiring precision, durability, and superior performance in challenging environments.
Because of its robust nature, the 15-5 PH Bar is indispensable in aerospace for critical components like landing gear parts and engine fittings. It’s equally vital in the oil and gas sector for valves, pumps, and shafts that must withstand corrosive fluids and high pressures. Beyond these, its versatility shines in general manufacturing for everything from surgical instruments to paper mill equipment, proving its worth anywhere a combination of strength, corrosion resistance, and fabrication ease is required.
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