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Hamad Fasteners, based in Riyadh, Saudi Arabia, is a reliable manufacturer and supplier of top-notch industrial fasteners. Our Copper Nickel 90/10 Stud Bolts are specifically designed to withstand the rigors of marine and offshore environments, offering exceptional durability and corrosion resistance. These bolts excel in challenging conditions like saltwater, brine, and high humidity, making them a popular choice in shipbuilding, desalination plants, and coastal infrastructure projects. Crafted to meet international standards, our Copper Nickel 90/10 stud bolts ensure consistent, long-lasting performance even in harsh settings where ordinary materials might fail.
Made up of around 90% copper and 10% nickel, with a touch of iron and manganese for added strength and corrosion resistance, Copper Nickel 90/10 Stud Bolts typically boast a tensile strength ranging from 275 to 360 MPa. They are highly resistant to seawater corrosion, stress corrosion cracking, and biofouling. This alloy remains stable even in fluctuating temperatures and brackish conditions, making it perfect for submerged and humid environments. Plus, Copper Nickel 90/10 offers good weldability and thermal conductivity, enhancing its versatility in marine applications.
| 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.
You’ll find Copper Nickel 90/10 Stud Bolts commonly used in seawater piping systems, heat exchangers, marine engines, condenser tubes, desalination units, and offshore oil and gas platforms. They’re perfect for securing flanges, valves, and structural components that come into contact with seawater or are exposed to coastal climates. Thanks to their natural resistance to corrosion and biological growth, these bolts require less maintenance and have a longer service life. Copper Nickel 90/10 is the go-to material for demanding marine applications that need both mechanical strength and excellent environmental resilience.
Our Stud Bolts Copper Nickel 90/10 at Hamad 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.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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