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Wiraphan Sheets and Plates, a reputable manufacturer and supplier based in Bangkok, Thailand, is well-known for its top-notch Duplex Steel Circles. The company focuses on providing cutting-edge duplex stainless steel products that adhere to international standards for corrosion resistance, strength, and durability. Duplex steels blend the best features of austenitic and ferritic stainless steels, delivering remarkable mechanical strength and resistance to stress corrosion cracking. Wiraphan offers these circles in a variety of diameters and thicknesses, catering to industries like chemical processing, petrochemical, marine, and oil and gas with precision-engineered, dependable, and long-lasting stainless steel solutions.
Duplex Steel Circles are made up of iron, chromium (18–28%), nickel (4–8%), molybdenum (2–5%), along with trace amounts of nitrogen, manganese, and silicon. This meticulously balanced composition ensures outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, all while maintaining high tensile strength and toughness. In terms of mechanics, these circles boast a tensile strength of 620–880 MPa, a yield strength of around 450–650 MPa, and good elongation, guaranteeing reliable performance under both mechanical and corrosive stresses. Their unique combination of durability, toughness, and corrosion resistance makes them perfect for critical engineering applications.
| 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.. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Wiraphan Sheets and Plates based in Bangkok, Thailand, 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 Circles find extensive use in chemical and petrochemical plants, offshore platforms, marine equipment, heat exchangers, pressure vessels, and piping systems that face harsh environments. Their impressive mechanical strength and excellent corrosion resistance make them ideal for applications involving chlorides, acids, and seawater. Duplex Steel Circles deliver reliable, long-lasting solutions for industries that demand superior toughness, performance, and resistance to both corrosion and mechanical stress in challenging operating conditions.
Yes, we offer custom sizes for Duplex Steel Circle to meet specific project needs. Our team at Wiraphan Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@wiraphansheetsplates.com.
Duplex Steel Circles are widely used across various industries due to their strength, corrosion resistance, and durability. In the oil and gas sector, they are utilized for manufacturing pipelines, heat exchangers, and pressure vessels. The marine industry employs them for shipbuilding and offshore platforms due to their resistance to seawater corrosion. In chemical processing, they are ideal for reactors, storage tanks, and pumps handling aggressive substances. Additionally, Duplex Steel Circles find applications in construction, power generation, and food processing industries, where high-performance materials are essential for reliability and longevity.
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Bangkok, Thailand
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