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Bilal Fasteners stands out as a top-notch manufacturer and supplier of Duplex Steel Fasteners, proudly based in Jakarta, Indonesia. Renowned for their precision engineering and unwavering commitment to quality, this company offers a diverse array of fastening solutions designed to meet the unique needs of various industries. Bilal Fasteners specializes in high-strength, corrosion-resistant Duplex Steel Fasteners that adhere to international standards. With a strong focus on customer satisfaction and competitive pricing, they have earned a reputation as a trusted name throughout Indonesia and its neighboring markets, serving clients in the marine, construction, chemical, and energy sectors with dependable, high-performance products.
Duplex Steel Fasteners are primarily made up of a balanced blend of austenite and ferrite microstructures, typically featuring around 22–25% chromium, 4–7% nickel, 3% molybdenum, and trace amounts of nitrogen. This unique composition grants them exceptional resistance to corrosion, particularly in environments rich in chlorides. On the mechanical side, Duplex Fasteners boast impressive strength, with a minimum yield strength that is nearly double that of standard austenitic stainless steels. They also exhibit good fatigue resistance, making them perfect for high-stress applications where durability and longevity are crucial.
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| UNS S32760 | 550 min. | 750 min. | 25 min. | 270 max. |
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F6 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
These Duplex Steel Fasteners find their place in various industries that require outstanding strength and corrosion resistance. In marine and offshore settings, they ensure reliable fastening even in saltwater conditions. The chemical and petrochemical industries rely on them for pipelines, reactors, and storage vessels due to their resistance to pitting and stress corrosion. Power generation facilities utilize these fasteners in heat exchangers and pressure vessels. Moreover, they are commonly used in bridges, building structures, and desalination plants. Their remarkable mechanical strength and excellent weldability make them the go-to choice for applications where both structural integrity and corrosion resistance are vital.
At Bilal Fasteners, we prioritize the safe packaging of Duplex Steel Fasteners to maintain their quality and prevent damage. Each binder is thoroughly inspected and wrapped in protective packaging to ensure it arrives in the best possible condition. We offer a range of packaging options, including drop boxes and containers in sizes to suit your needs. Our durable packaging solutions protect your fasteners during transit and storage, assuring they are ready for immediate use in your most demanding applications.
Bilal Fasteners is a leading manufacturer and supplier of high-quality fasteners in Indonesia, Jakarta, with over 8 years of experience serving global industries.
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