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Hashmi Sheets and Plates is a trusted manufacturer and supplier of Stainless Steel 13-8 PH Circle in Doha, Qatar, serving industries that require high strength, corrosion resistance, and excellent mechanical performance. We focus on delivering stainless steel products that meet international quality standards and provide consistent reliability in demanding environments. Our Stainless Steel 13-8 PH Circles are carefully processed to ensure uniform quality, precision, and long service life. With timely delivery, technical support, and a customer-focused approach, Hashmi Sheets and Plates supports aerospace, industrial, and engineering projects across Qatar.
Stainless Steel 13-8 PH Circle is a precipitation-hardening martensitic stainless steel containing approximately 13% chromium, 8% nickel, and copper and niobium for strengthening. This alloy offers excellent tensile and yield strength, high hardness, and superior fatigue resistance after heat treatment. Mechanically, it provides good toughness, ductility, and corrosion resistance. The alloy retains its mechanical properties and dimensional stability under high-stress and high-temperature conditions, making it ideal for precision components.
| 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 widely used in applications requiring high strength, hardness, and corrosion resistance. Common uses include aerospace components, high-strength fasteners, shafts, gears, and structural parts in machinery and industrial equipment. It is also applied in marine equipment, petrochemical plants, and precision engineering components where fatigue resistance and durability are critical. Its ability to achieve high strength through precipitation hardening, combined with corrosion resistance and dimensional stability, makes Stainless Steel 13-8 PH Circle a dependable choice for demanding industrial, structural, and engineering applications.
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