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Based in the industrious city of Hamilton, Will Sheetsandplates is your trusted local source for high-performance metals. We take pride in supplying precision-engineered components like the Stainless Steel 13-8 PH Circle, a truly remarkable material known for its exceptional strength and reliability. Our team understands the demanding requirements of New Zealand’s key industries, which is why we ensure our 13-8 PH circles are sourced and prepared to the highest standards, ready to meet the toughest challenges our clients face.
The standout quality of Stainless Steel 13-8 PH lies in its unique composition and resulting strength. This grade is a precipitation-hardening martensitic stainless steel, featuring a careful balance of chromium and nickel, along with additions like aluminum. This specific chemistry allows it to be heat-treated to achieve impressive mechanical properties. The result is a material that offers an outstanding combination of high tensile strength, excellent toughness, and good corrosion resistance, making it far superior to conventional stainless steels in many demanding scenarios.
| 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.
This unique set of properties makes the 13-8 PH circle indispensable for critical applications where failure is not an option. You will find it expertly machined into vital components for the aerospace industry, such as landing gear parts and fasteners, as well as in high-stress oil and gas equipment. Its reliability also makes it a prime choice for the medical field for surgical instruments and in the defense sector. Essentially, wherever a component must withstand extreme stress, corrosive environments, and maintain its integrity, this is the material of choice.
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