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Bilal Fasteners, based in Jakarta, Indonesia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Duplex Steel screws, designed to excel in tough industrial settings. Our Duplex Steel screws are celebrated for their remarkable strength and exceptional resistance to corrosion, making them perfect for use in marine, chemical, and offshore industries. Crafted to comply with international standards, these screws promise long-lasting durability, even in the harshest corrosive or high-pressure environments. With a strong commitment to quality assurance, customization, and prompt delivery, Bilal Fasteners stands out as the go-to choice for Duplex Steel fastening solutions throughout Indonesia and beyond.
Duplex Steel screws feature a unique dual-phase microstructure, consisting of roughly equal parts austenite and ferrite, and typically include 21–23% chromium, 4.5–6.5% nickel, and 2.5–3.5% molybdenum. This blend provides enhanced mechanical strength and impressive resistance to stress corrosion cracking and pitting. With a high tensile strength ranging from 620–900 MPa and solid yield strength, these screws outperform standard stainless steels. They also boast good weldability, fatigue strength, and resistance to chloride-induced corrosion, making them essential for demanding environments that require dependable and durable fasteners.
| Standard | : | ASTM A193, A194 / SA193 / SA194 |
| Dimension | : | ASTM, DIN, BS, GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Bolts Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Screw Size | : | M02 to M33 | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Bolt/ Hex Screw, Square Head Bolt, U Bolt, Carriage Bolt, Eye Bolt, T Bolt/ J Bolt/ L bolt, Flange Bolt, Coach Screw etc. |
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.
Duplex Steel screws find extensive use in industries that need robust, corrosion-resistant fastening solutions. In the marine and offshore sectors, they are perfect for shipbuilding, riser systems, and submerged equipment due to their ability to withstand saltwater corrosion. The oil and gas industry relies on them for pipelines, pumps, and structural assemblies that face high stress and corrosive fluids. In chemical processing, they are utilized in reactors, storage tanks, and flanged joints. Power plants, desalination units, and wastewater treatment facilities also reap the benefits of their strength and reliability. These screws guarantee secure, long-lasting performance in a variety of challenging applications.
At Bilal Fasteners, we take utmost care while packing our Duplex Steel screws so that they can reach their destination in the best condition. Every screw is packed in individual protective materials to avoid any harm, rusting or contamination during transportation. Our packaging products include sturdy cartons and special packaging that meets your requirements. This way, we ensure that all our products are well packed and labeled to enhance identification and handling to ensure that the clients receive their products in the best condition possible.
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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