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Khush Sheets and Plates is a renowned producer and supplier of Stainless Steel 13-8 PH Circle in Kolkata, India. We have years of experience working in the stainless steel sector and provide top-class quality 13-8 PH circles as per strict international standards. Our sophisticated manufacturing techniques guarantee accurate dimensions, fine surface finish, and uniform quality. We supply to various industrial sectors with competitive prices and on-time delivery. The emphasis on innovation and customer care has helped us gain a good reputation with clients ordering long-lasting and high-performance stainless steel products in India and overseas.
Stainless Steel 13-8 PH Circle is a precipitation-hardening stainless steel alloy with around 13% Chromium, 8% Nickel, 1.1% Aluminium, and balanced with Iron, having traces of Molybdenum and Titanium. It provides high strength, good toughness, and adequate corrosion resistance in weld and aged conditions. Its mechanical properties are tensile strength of up to 190 ksi, yield strength of about 170 ksi, and elongation of 10-15%. Its better hardness and structural properties make it suitable for applications that demand ultimate performance in harsh conditions.
| 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.
Stainless Steel 13-8 PH Circle is extensively used in numerous industries because of its superior strength, toughness, and corrosion resistance. In the aerospace industry, it is utilized in structural parts, landing gear components, and fasteners. The marine industry applies it in the form of shafts, valves, and fittings under severe environments. It is also commonly used in chemical processing, petrochemical, and nuclear industries for pressure vessels and piping systems. It is also utilized in medical devices, oil & gas parts, and high-performance springs. It is a highly versatile and reliable material that cannot be overlooked for critical applications.
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Kolkata, India
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