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Based in Delhi, India, Kunj Sheets and Plates is a well-known producer and supplier of high-performance stainless steel products, including premium Stainless Steel 13-8 PH Circles. We provide stainless steel solutions to industries with exacting performance requirements and are renowned for our accuracy, dependability, and dedication to excellence. Because of their exceptional strength, durability, and resistance to corrosion, our 13-8 PH Circles are perfect for use in petrochemical, marine, and aerospace applications. Advanced manufacturing techniques and stringent quality control are combined at Kunj Sheets and Plates to produce goods that surpass customer expectations in terms of quality and dependability while also meeting international standards.
Because of their exceptional strength and resistance to corrosion, stainless steel 13-8 PH circles are frequently utilised in high-stress and high-performance applications. Common applications include structural elements in the nuclear and petrochemical industries, as well as aerospace components like landing gear parts, fasteners, and shafts. They are also used in tooling, valve parts, and marine hardware. The alloy is a dependable material for mission-critical components because of its capacity to preserve mechanical qualities at high temperatures and withstand environmental corrosion. Its adaptability to a wide range of sophisticated engineering applications is further increased by its formability and heat treatability.
| Specifications | ASTM A240, ASME SA240 |
| Dimensions | ASTM, ASME and API |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Thickness | 1 Mm To 100 mm. |
| Diameter | Upto 2000 Mm. |
| Circle Diameter | 3″ DIA up to 38″ DIA 1500 lbs max. |
| Circles Form | Hot Rolled Circles, Cold Rolled Circle, Proof Machined Circles. |
| Cr 12.25 – 13.23% | Ni 7.50 – 8.50% | Mo 2.00 – 2.50% | Al 0.90 – 1.35% | N 0.010% | |||||
| Mn 0.10% | Si 0.10% | C 0.05% | P 0.010% | S 0.008% |
| Tensile (UTS)N/mm² | 0.2% YieldN/mm² | Elongation(50.8mm) %) | HardnessHRc | Reductionof Area |
| 1965 | 1896 | 2 | 57 | 10 |
| Alloy | UNS Number | SAE Number |
| 13-8 PH | UNS S13800 |
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless steel 13-8 PH Circle provides exceptional strength, corrosion resistance and toughness, making it ideal for aerospace, marine, and high-stress applications Its precipitation hardening properties ensure superior mechanical performance and dimensional stability. The alloy’s excellent resistance to stress corrosion cracking and oxidation makes it durable in harsh environments. Its mechanical and weldability allows versatile design, while the uniformity of the material ensures reliable performance in critical applications. With excellent strength coupled with fatigue resistance, stainless steel 13-8 pH spheres are a cost-effective robust option for complex industrial and architectural applications.
The stainless steel 13-8 PH Circle is widely used in applications requiring high strength, corrosion resistance and good hardness. Because of its excellent performance under extreme conditions it is commonly used in turbine components, system assemblies and aerospace components Ability to withstand harsh environmental conditions This alloy is used in medical devices, nuclear reactor parts, petrochemical machinery Its mechanical performance, heat treatment versatility and automotive safety and marine industries Makes it suitable for precision engineering parts.
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