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Mira Fasteners is a trusted manufacturer and supplier of ASTM A182 F55 Fasteners, based in Kuala Lumpur, Malaysia. They specialize in high-performance, corrosion-resistant solutions that cater to essential industries like offshore oil & gas, petrochemical, desalination, and marine engineering. These fasteners are crafted from Super Duplex Stainless Steel, which is renowned for its impressive strength and exceptional resistance to corrosion in tough environments. Mira Fasteners adheres to strict international standards, delivering precision-engineered products that can handle the rigorous demands of extreme service conditions. Their technical know-how and dedication to quality have made them a reliable choice across Malaysia and Southeast Asia.
ASTM A182 F55 Fasteners are made from Super Duplex Stainless Steel, which mainly consists of chromium (~25%), nickel (~7%), molybdenum (~4%), nitrogen, and iron. This special alloy offers a remarkable blend of mechanical strength and resistance to stress corrosion cracking, pitting, and crevice corrosion, especially in chloride-rich settings. These fasteners boast a minimum tensile strength of about 795 MPa and a yield strength of 550 MPa, significantly surpassing standard stainless steels. Their duplex microstructure provides excellent fatigue resistance and a longer service life, making them perfect for harsh chemical, saline, and high-pressure environments where durability is key.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 24 – 26 |
| Nickel, Ni | 4.5 – 6.5 |
| Phosphorous, P | 0.035 Max |
| Carbon, C | 0.03 max |
| Sulfur, S | 0.015 Max |
| Molybdenum, Mo | 3 – 4 |
| Manganese, Mn | 1.2 Max |
| Silicon, Si | 0.8 Max |
| Copper, Cu | Balance |
| Nitrogen, N | 0.25 |
| Iron, Fe | Balance |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Alloy GR F55 | 110 | 80 | 15 | 28 max |
| Grade | ASTM A182 GR.F55 |
| Specifications | ASTM A 182 / ASME SA 182 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts 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.
You’ll find ASTM A182 F55 Fasteners commonly used in offshore platforms, subsea equipment, heat exchangers, pressure vessels, and pipeline systems that are exposed to seawater and aggressive substances. In the oil & gas sector, they play a vital role in flanged joints, valve assemblies, and risers. Their high mechanical strength makes them ideal for load-bearing structures, while their corrosion resistance guarantees long-lasting stability in desalination plants, chemical processing, and marine construction. These fasteners are also utilized in power generation applications, ensuring reliability in demanding conditions.
Our ASTM A182 F55 Fasteners are carefully packed to ensure they remain undamaged during transit. For international shipments, we use robust wooden boxes or cases conforming to global packaging standards. Each fastener bears our trademarked company logo, indicating its Grade, Size, and Lot No. Upon request, we can customize product markings to meet specific customer needs. Additionally, we provide Manufacturer Test Certificates compliant with standards like EN 10204-3.1, EN 10204-3.2, along with Raw Materials Certificates, NABL approved Lab Test Reports, 100% Radiography Test Reports, and Third-Party Inspection Reports, ensuring quality and compliance throughout.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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