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Bilal Fasteners stands out as a top-notch manufacturer and supplier of high-quality Duplex Steel Bolts, proudly based in Jakarta, Indonesia. With a strong dedication to quality and precision engineering, they cater to a diverse array of industries, including construction, oil and gas, marine, and chemical processing. Their Duplex Steel Bolts are meticulously crafted using cutting-edge technology and premium raw materials, ensuring they meet international standards. Thanks to a robust distribution network throughout Indonesia and a commitment to customer satisfaction, Bilal Fasteners has built a solid reputation for providing durable and reliable fastening solutions that can handle tough environments and demanding industrial conditions.
These Duplex Steel Bolts are primarily made up of chromium, nickel, molybdenum, and nitrogen, which gives them outstanding corrosion resistance and strength. They boast impressive mechanical properties, including high tensile strength, excellent fatigue resistance, and good weldability. Their unique dual-phase microstructure (austenitic and ferritic) enhances their durability in challenging environments, especially in areas with chloride exposure. These bolts maintain their mechanical integrity even under high pressure and temperature, making them perfect for critical applications. Their excellent strength-to-weight ratio and resistance to stress corrosion cracking make them a go-to choice in industrial settings that require long-lasting and reliable fastening components.
| Duplex Steel Stud Bolts | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| Duplex Steel Stud Bolts | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| Grade | Duplex Steel UNS S31803 / S32205 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs 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 Bolts find their place in industries where strength and corrosion resistance are essential. You’ll commonly see them in offshore platforms, desalination plants, petrochemical facilities, and the pulp and paper industry. Their resistance to saltwater corrosion makes them particularly suited for marine environments. In construction, they are used in structural assemblies that need to bear heavy loads. Additionally, Duplex Steel Bolts are crucial in pressure vessels, heat exchangers, and chemical storage tanks, providing long-term durability. Their impressive performance in harsh conditions truly sets them apart.
At Bilal Fasteners, we ensure Duplex Steel Stud Bolts are packaged with the utmost care to preserve their quality and integrity. Each bolt is individually inspected and securely wrapped in protective materials to prevent damage during transit. We offer a range of packaging options, including bulk cartons and custom-sized containers, to meet your specific needs. Our robust packaging solutions ensure that your fasteners arrive in pristine condition, ready for immediate use in your critical 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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