Silicon Steels is a renowned supplier of the Duplex 2205 Seamless Pipes as well as a manufacturer. ASTM A790 Duplex 2205 Welded Pipe, aerated ferrite steel, can be used in corrosive conditions and can withstand localized corrosion such as stress corrosion cracking and tearing. Our Duplex Seamless S31803 tubes are extremely weldable and have low temperature toughness. Such seamless Duplex 2205 tubes are resistant to stress corrosion and overall corrosion.
UNS S32205 seamless Duplex Steel pipes have higher strength and are capable of easily handling pressures. Stored containers, pressurizing structures and structural systems are other technologies. Duplex UNS S32205 pipe benefits are greater power, greater resistance to corrosion, greater durability of metallurgy and superior properties after welding. UNS S31803 Welded Pipe is increasingly ferritic and completely ferritical, with high temperatures above 2000 degrees F, just under melting point. Usually, Duplex Steel UNS S32205 pipes are formed by 50 to 60 percent austenite, as seen on the picture. Duplex Steel S 31803 Pipes should be evenly heated and controlled in the range of 1750 degrees – 2250 degrees F when heated forming is required.
Duplex Steel S32205 Seamless pipes in comparison to other grades of stainless steel combine improved resistance to stress corrosion cracking, breaking, crevice corrosion and high strength. The austenitic ferritic stainless steel Duplex Steel S32205 Welded Pipes is high corrosion and resistant. Whereas, the round pipes Duplex Steel 2205 pipe are also offered to our customers in various sizes and shapes.
| Specifications | ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789 |
| Seamless Pipes & Tubes Sizes | 1 / 2" NB - 8" NB |
| Welded Pipes & Tubes Sizes | 6" NB - 24" NB |
| Outer Diameter | 6.0-630mm |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Thickness | 0.3mm – 50 mm |
| Type | Seamless / ERW / Welded/ Fabricated |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Treaded |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex 2205/ S31803 | S31803 | 1.4462 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22 – 23 | 3 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Duplex Steel S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21 – 23 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
We ship our stainless steel metal products in industry leading packaging designed to ensure your order reaches its destination safely. We offer multiple packaging options to meet your specific requirements. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging. We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
We ship our stainless steel metal products in industry leading packaging designed to ensure your order reaches its destination safely. We offer multiple packaging options to meet your specific requirements. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging. We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
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