Nestled in the heart of Naypyidaw, Kyaw Stainless has built a reputation as a trusted partner for industry, providing high-quality materials that stand up to demanding environments. We are proud to supply the robust Stainless Steel 15-5 PH Bar, a precipitation-hardening alloy chosen for its exceptional combination of strength and corrosion resistance. This particular grade is engineered for applications where reliability is non-negotiable, making it an ideal solution for our clients in sectors ranging from heavy manufacturing to advanced engineering projects across Myanmar.
The strength of 15-5 PH comes from its precise composition, primarily chromium and nickel, with key additions of copper and niobium. This blend allows it to be heat-treated to achieve impressive mechanical properties, including very high tensile strength and excellent hardness. What truly sets it apart is its ability to maintain these robust characteristics, including good toughness, in challenging conditions where other steels might falter, offering a dependable performance profile that engineers and fabricators can count on.
| 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 |
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Stainless Steel 15-5 PH Bar has extensive applications in aerospace, marine, defense, and industrial sectors because of its high toughness, strength, and superior corrosion resistance. It finds widespread application in aircraft structural parts, landing gear, and high-performance fasteners. Marine applications include shafts, fittings, and pump parts exposed to aggressive environments. In the defense industry, it is used in weapon systems and ballistic-resistant structures. Secondly, it is used in chemical processing, nuclear reactors, and medical devices. Its better mechanical properties provide it with the best quality for challenging applications where durability and reliability are mandatory.
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.
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.
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.
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.
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.
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.
You’ll find the 15-5 PH Bar hard at work in critical components where failure is not an option. It’s commonly used in aerospace for parts like landing gear components and engine fittings, as well as in the oil and gas industry for valves and pump shafts. Its resistance to corrosion also makes it a great choice for marine applications and chemical processing equipment. Essentially, wherever you need a material that is tough, durable, and resistant to wear, this grade delivers the performance needed for long-term reliability.
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