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Mira Fasteners is a well-respected manufacturer and supplier of Copper Nickel 70/30 Bolts based in Kuala Lumpur, Malaysia. They specialize in providing top-notch fastening solutions for marine, industrial, and offshore applications. Known for their precision engineering, durability, and resistance to corrosion, Mira Fasteners guarantees that each bolt adheres to global quality standards. With a strong emphasis on customer satisfaction, they offer a diverse range of sizes and specifications to meet various needs. Their Copper Nickel 70/30 Bolts are particularly suited for tough environments where strength and resistance to saltwater corrosion are crucial, making Mira Fasteners a go-to name in the fastener manufacturing sector.
Copper Nickel 70/30 Bolts are made up of 70% copper and 30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. These bolts boast impressive mechanical properties, featuring a tensile strength of around 350-500 MPa, along with good ductility and toughness. They remain stable even under high-pressure and high-temperature conditions and show remarkable resistance to biofouling, making them perfect for long-term use in seawater and chemically aggressive settings.
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
|---|---|---|---|---|---|---|
| Copper Nickel | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
| Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
| Elongation at break (in 381 mm) | 45.0% | 45.0% |
| Charpy impact | 107 J | 78.9 ft-lb |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 57.0 GPa | 8270 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 150 GPa | 21800 ksi |
| Grade | Copper Nickel |
| Specifications | ASTM / ASME SB 151, SB 152 |
| Standards | DIN, ASTM, BS and all International Standards |
| Length | UPTO 5 METERS |
| Size | M4 To M100 | Custom Sizes |
| Form | Bolts |
| Types | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts |
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.
These Copper Nickel 70/30 Bolts find extensive application in marine engineering, shipbuilding, desalination plants, and offshore oil and gas platforms, thanks to their outstanding resistance to saltwater corrosion and biofouling. They’re also used in heat exchangers, condensers, and piping systems where strength and thermal stability are vital. Their ability to handle high-pressure and high-temperature situations makes them invaluable in power plants and chemical processing industries. Plus, their long service life and minimal maintenance requirements make them an excellent choice for harsh and corrosive environments.
At Mira Fasteners, our Copper Nickel 70/30 Bolts are packed in a way that they reach the clients in the best condition possible. Every bolt is covered and placed in individual well-sealed and moisture proof packages to ensure that they are not contaminated or damaged. Labeling is very important since it makes identification of the items easier and handling is also made easier. The kind of packaging we use ensures that the bolts do not lose their quality and are readily available for use, thereby underlining our policy of offering high-quality products and excellent customer relations.
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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