Chanchai Stainless, headquartered in Bangkok, Thailand, is a well-established producer and distributor of high-grade stainless steel materials. Firm in its belief in quality and innovation, the company offers credible stainless steel solutions to various industries globally. One of its flagship products is the Stainless Steel 15-5 PH Bar, which is an alloy that is highly appreciated for its superior strength, corrosion resistance, and durability. Precision engineered, this martensitic precipitation-hardening stainless steel is extensively applied across aerospace, petrochemical, marine, and power generation industries. With fast turnaround, competitive pricing, and excellent quality assurance, Chanchai Stainless is a reliable partner for all stainless steel needs.
Stainless Steel 15-5 PH is a martensitic precipitation-hardening alloy with high strength and corrosion resistance. Its chemical content is chromium (14–15.5%), nickel (3.5–5.5%), copper (2.5–4.5%), with trace elements of manganese, silicon, and molybdenum, and iron as the remainder. By heat treatment and age hardening, it acquires superior mechanical strength, having tensile strengths as high as 1750 MPa with superior toughness and rigidity. The alloy offers stable performance at high temperatures and provides excellent resistance to corrosion and stress cracking, suggesting that it is ideally appropriate for severe engineering applications under stringent operating conditions.
| 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 Chanchai 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.
Stainless Steel 15-5 PH Bars are extremely versatile and are used in industries requiring strength, resistance, and durability, as well as resistance to corrosion. In the aerospace industry, they are employed to make shafts, fasteners, structural components, and fittings. Their resilience and durability also make them a staple in marine machinery, chemical processing, and petrochemical applications, especially in valves, gears, and pump parts. The power generation and oil refining industries utilize these bars in turbine components, nuclear reactors, and pressure vessels where high performance under severe environments is imperative. Their biocompatibility also makes them suitable for use in medical devices, making them an essential option across challenging environments.
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