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Mira Fasteners is a top-notch manufacturer and supplier based in Kuala Lumpur, Malaysia, known for crafting high-quality Copper Nickel 90/10 Stud Bolts. These bolts are designed to excel in tough marine and industrial settings, thanks to their unique composition of 90% Copper and 10% Nickel. This blend provides remarkable resistance against seawater corrosion, biofouling, and stress corrosion cracking. You’ll find these stud bolts commonly used in shipbuilding, desalination plants, heat exchangers, and power generation units. At Mira Fasteners, each stud bolt is meticulously engineered to comply with ASTM, ASME, and other international standards, ensuring strength and reliability.
Copper Nickel 90/10 Stud Bolts are made up of about 90% Copper, 10% Nickel, along with small amounts of Iron and Manganese to enhance their strength and corrosion resistance. These bolts boast a tensile strength ranging from 275 to 345 MPa and a yield strength between 70 and 130 MPa, along with impressive elongation and ductility. They are particularly resistant to erosion, stress corrosion cracking, and biofouling in salty environments, making them perfect for marine and offshore applications where durability and long-lasting performance are essential.
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 90/10 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Cupro Nickel 90/10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| Specifications | ASTM B151 / ASME SB151 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Length | 3 mm – 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
| Surface Treatment | Passivation /plain |
| Others Factor | OEM, ODM, ±0.03MM tolerance |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Packing | IN BULK: carton, pallet, Small Boxes or customer request |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merk blatt AD 2000 W2 Certified |
| Certification | Dual Certified As per ASTM & ASME Codes |
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.
Copper Nickel 90/10 stud bolts are used in marine applications such as shipbuilding and offshore structures where the bolts are exposed to seawater. They are very useful in desalination plants because they offer adequate protection from chloride corrosion. Furthermore, these stud bolts are used in chemical processing industries, heat exchangers and other industries where high durability and high resistance to conditions make them to guarantee long term stability and reliability.
Our Stud Bolts Copper Nickel 90/10 at Mira Fasteners are packed in a way that retains their quality. Stud bolts are protected and packed individually in moisture proof containers to avoid any harm or contamination to the bolts. Proper labeling makes identification and handling to be easy since anyone can identify the product just by looking at the label. The packaging process ensures that the stud bolts are properly packed to ensure that they are not damaged during transport and are ready for use as soon as they get to the end user, thus our promise of quality product and excellent customer service.
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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