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Fajar Metals, located in Jakarta, Indonesia, has earned a solid reputation as a reliable manufacturer and supplier of high-performance fasteners. They specialize in top-notch Duplex Steel Nuts designed for both industrial and structural applications. With a keen emphasis on quality, precision, and resistance to corrosion, Fajar Metals provides fastening solutions that not only meet international standards but also thrive in challenging environments. Their products cater to a variety of sectors, including oil and gas, marine, chemical processing, and infrastructure. Thanks to cutting-edge manufacturing technology and strict quality control, Fajar Metals guarantees consistent performance, reliability, and durability in every item. Duplex Steel Nuts are crafted to deliver exceptional strength and resistance, even in the most extreme working conditions.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Duplex Steel
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 479 / 479 |
3 mm
to
200 mm
|
M02 to M30
|
| Cr | N | Ni | C | Mn | Si | P | S | Mo | |
|---|---|---|---|---|---|---|---|---|---|
| S31803 | min: 21.0 max: 23.0 | min: 0.08 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 2.5 max: 3.5 |
| S32205 | min: 22.0 max: 23.0 | min: 0.14 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 3.0 max: 3.5 |
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) | Yield Strength 0.2% Proof (MPa) min | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
UNS-S 31803 | 650-880 | 25 | 448 | |
UNS-S 32205 | 621 | 25 | 448 | 21 max |
At Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Nuts in Jakarta, Indonesia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Indonesia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel Nuts play a crucial role in fastening applications where both strength and corrosion resistance are vital. In the oil and gas industry, they are essential for offshore platforms, pipelines, and pressure vessels. The chemical and petrochemical sectors depend on them for equipment that faces harsh chemicals and elevated temperatures. In marine settings, they excel in saltwater applications, such as shipbuilding and desalination plants.
