Zain Fittings, based in Surabaya, Indonesia, stands out as a top manufacturer and supplier of high-performance Duplex Steel Buttweld Fittings. The company has built a solid reputation for providing top-notch products that are designed for durability, strength, and resistance to corrosion. By leveraging cutting-edge technology and following international manufacturing standards, Zain Fittings ensures that their products have precise dimensions and reliable performance. With a strong foothold in various industries, they serve sectors like oil and gas, petrochemical, marine, and power generation, offering tailored Duplex Steel Buttweld Fittings that can handle tough operational environments while ensuring long-lasting efficiency.
| Size | : | 1/2″ to 36″ |
| Standard | : | ASTM / ASME A815 / SA815. |
| Dimensions | : | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Grade | : | UNS No. S31803, S32205, S32550, S32750, S32760. |
| Type | : | Seamless & Welded |
| Schedule | : | Sch 5 TO Sch XXS. |
Duplex Steel Buttweld Fittings are primarily composed of a mixture of austenitic and ferritic stainless steel, with around 22-25% chromium, 4-6% nickel, 2-3% molybdenum, and trace amounts of other elements such as nitrogen. This composition provides excellent resistance to corrosion, pitting, and stress corrosion cracking. Mechanically, Duplex Steel exhibits high tensile strength (up to 620 MPa) and good yield strength (around 450 MPa). It also offers superior toughness and ductility, even at low temperatures. These properties make it ideal for high-stress, high-pressure, and corrosive environments in various industries.
| 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 |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Zain Fittings is a leading supplier of Duplex Steel Buttweld Fittings in Jakarta, Indonesia. We offer an extensive range of Duplex Steel Buttweld Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
Choose Duplex Steel Buttweld Fittings from Zain Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
These Duplex Steel Buttweld Fittings feature a balanced microstructure that includes both austenite and ferrite phases, giving them a remarkable blend of high strength and excellent corrosion resistance. Typically, their composition consists of chromium (21–23%), nickel (4.5–6.5%), molybdenum (2.5–3.5%), along with nitrogen, manganese, silicon, and the remainder being iron. These fittings boast a tensile strength of about 620 MPa, a yield strength of 450 MPa, and an elongation of 25%. They excel in resisting stress corrosion cracking, pitting, and crevice corrosion, while also offering great toughness and weldability in harsh environments.
Yes, custom sizes for Duplex Steel Buttweld Fittings are available at Zain Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@zainfittings.id
Duplex Steel Buttweld Fittings are commonly found in industries that demand both strength and resistance to corrosive conditions. You’ll often see them in applications like offshore oil drilling, chemical processing plants, desalination systems, heat exchangers, and marine equipment. They’re also essential in pipelines, refineries, and pressure vessels where exposure to chlorides and high pressure is a regular occurrence. Their outstanding combination of durability, corrosion resistance, and cost-effectiveness makes them a go-to choice for critical industrial and structural applications, ensuring safety, performance, and longevity even in challenging operating conditions.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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