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Murad Fasteners has established itself as a reliable manufacturer and supplier in Doha, Qatar, specializing in high-quality Copper Nickel 70/30 Bolts that are built to withstand corrosion and provide long-lasting reliability. Thanks to their state-of-the-art manufacturing facilities and rigorous quality control measures, Murad Fasteners produces bolts with precise dimensions, accurate threading, and consistent performance. These bolts are specifically designed for the tough conditions found in marine and industrial settings. Catering to the shipbuilding, offshore, desalination, and industrial sectors, Murad Fasteners guarantees compliance with international standards, offers tailored solutions, competitive pricing, and ensures timely delivery.
The Copper Nickel 70/30 Bolts are crafted from an alloy that consists of about 70% copper and 30% nickel, along with small amounts of iron and manganese to boost strength. This unique blend gives them outstanding resistance to seawater corrosion, biofouling, and stress corrosion cracking. On a mechanical level, these bolts provide good tensile strength, high toughness, and excellent fatigue resistance. They maintain stable mechanical properties across a wide temperature range, ensuring they perform reliably even in harsh conditions.
| 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 are popular in applications that demand exceptional resistance to seawater and corrosive environments. You’ll often find them in shipbuilding, offshore platforms, marine piping systems, heat exchangers, condensers, and desalination plants. They are perfect for flanged joints, structural assemblies, and equipment that faces saltwater and humid conditions. Their long service life, corrosion resistance, and mechanical reliability make them indispensable for marine and coastal industrial applications.
At Murad 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.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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