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From the heart of Manila’s industrial landscape, Diaz Sheetsandplates stands as your trusted partner for high-performance metals. We take pride in manufacturing and supplying premium Duplex Steel S31803 Circles, crafted to meet the most demanding specifications. Our commitment lies in providing not just a product, but a reliable solution backed by local expertise and a dedication to quality that ensures your projects are built on a foundation of strength and durability.
This particular grade, Duplex Steel S31803, is renowned for its robust composition, blending chromium, nickel, molybdenum, and nitrogen. This unique mix gives the material an excellent combination of high strength and exceptional resistance to corrosion, especially against stress corrosion cracking. The circles we produce offer impressive mechanical properties, including remarkable yield strength and toughness, making them significantly more durable than standard stainless steels while maintaining good weldability.
| Standard | 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 | Cold Rolled, Small Flat, Industrial, Proof Machined, Perforated, Forged Steel, Cnc Finish, Polished Unique, Hot Rolled Circle.. |
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 1803 | 1.4462 | S31803 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Diaz Sheets and Plates based in Manila, Philippines, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Duplex Steel S31803 Circles offer several advantages, making them ideal for industrial applications. Their dual-phase microstructure provides exceptional strength and toughness, outperforming many conventional stainless steels. These circles have excellent corrosion resistance, especially against pitting, crevice corrosion, and stress corrosion cracking, even in harsh environments. They exhibit superior thermal conductivity and low thermal expansion, ensuring stability under temperature fluctuations. With high weldability and machinability, they are suitable for complex fabrication. Additionally, Duplex S31803 Circles offer a cost-effective solution due to reduced material thickness without compromising durability and performance.
Yes, we offer custom sizes for Duplex Steel S31803 Circle to meet specific project needs. Our team at Diaz Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
The versatility of our Duplex Steel S31803 Circles makes them indispensable across numerous critical industries. You’ll find them performing reliably in the harsh environments of offshore oil and gas platforms, within chemical processing plants handling corrosive substances, and in desalination units turning seawater into fresh water. They are also essential for components in pollution control equipment, marine architectures, and even in the pulp and paper industry, wherever resilience against corrosion and pressure is a non-negotiable requirement.
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