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Bilal Fasteners stands out as a top-notch manufacturer and supplier of premium Super Duplex Steel Screws, right in the heart of Jakarta, Indonesia. We specialize in crafting precision-engineered screws from high-quality Super Duplex stainless steel, ensuring they offer remarkable strength, corrosion resistance, and reliability even in the toughest industrial settings. Our production adheres to global standards, making our screws perfect for demanding industries like oil & gas, petrochemical, marine, and power generation. With cutting-edge technology and rigorous quality checks, Bilal Fasteners guarantees quick delivery and dependable product performance. From our Jakarta base, we proudly serve clients throughout Indonesia and beyond with robust, corrosion-resistant fastening solutions.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| 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 % |
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.
Super Duplex Steel Screws are crafted from materials like UNS S32750 or UNS S32760, featuring a unique dual-phase microstructure of austenite and ferrite. Typically, their makeup includes 24–26% chromium, 3–5% molybdenum, and nitrogen, which provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. With impressive tensile strength (ranging from 800 to 1000 MPa) and excellent yield strength, Super Duplex screws surpass standard stainless steels in both durability and corrosion resistance. They also maintain toughness and dimensional stability in extreme conditions, making them perfect for high-load and high-corrosion applications in critical industries.
Super Duplex Steel Screws find their place in various high-stress, corrosive environments where long-lasting performance is crucial. In the oil and gas sector, they are essential for offshore platforms, subsea equipment, and pipeline connections. The marine industry depends on them for shipbuilding, seawater systems, and port infrastructure, ensuring reliability in challenging conditions.
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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