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Nizar Sheetsandplates, based in Amman, Jordan, is a trusted manufacturer and supplier of cutting-edge precipitation-hardening stainless steel products designed for critical engineering needs. They offer Stainless Steel 13-8 PH Circles, crafted with meticulous metallurgical control, precise dimensions, and a consistently high-quality surface finish. Renowned for their remarkable strength, toughness, and resistance to corrosion, these circles are perfect for machining into high-performance components. Nizar Sheetsandplates is committed to meeting international standards, ensuring reliable quality for demanding sectors like industrial, aerospace, and defense.
Stainless Steel 13-8 PH is made up of about 12–14% chromium and 7–8% nickel, along with aluminum additions that facilitate precipitation hardening. This unique composition results in exceptionally high tensile and yield strength after heat treatment, while also preserving excellent toughness and corrosion resistance. The alloy boasts superior transverse properties, solid fatigue strength, and remarkable dimensional stability. When compared to other precipitation-hardening grades, 13-8 PH stands out with its exceptional balance of strength, toughness, and resistance to stress corrosion cracking, even in challenging service 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 circles are commonly utilized in the production of precision, high-strength components. Typical applications include structural parts for aerospace, aircraft fittings, landing gear components, shafts, flanges, and fasteners. They also find use in defense equipment, nuclear hardware, tooling, and high-load industrial assemblies. Thanks to their outstanding toughness, corrosion resistance, and ability to maintain strength in thicker sections, 13-8 PH circles are the go-to choice for critical components that face high stress, cyclic loading, and strict reliability demands.
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