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Pengkumta Fasteners, a reputable manufacturer and supplier located in Bangkok, Thailand, specializes in crafting high-quality Copper Nickel 90/10 Stud Bolts that adhere to international standards. Built for durability and top-notch performance, these stud bolts boast impressive resistance to seawater, biofouling, and corrosion, making them perfect for marine and offshore applications. Thanks to advanced manufacturing techniques and rigorous quality control, Pengkumta Fasteners guarantees precision-engineered products that you can rely on, even in the toughest environments. Their Copper Nickel 90/10 Stud Bolts are widely utilized across various industries, providing strong fastening solutions that are both efficient and cost-effective over the long haul.
These Copper Nickel 90/10 Stud Bolts are made up of about 90% copper and 10% nickel, with a touch of iron and manganese added to boost strength and corrosion resistance. They show remarkable resistance to seawater, brine, and stress corrosion cracking, along with excellent thermal stability. Mechanically, these stud bolts offer moderate tensile strength, high ductility, and outstanding toughness, even in freezing temperatures. Their well-balanced composition ensures durability, ease of fabrication, and consistent performance, making them trustworthy fasteners for demanding industrial applications, especially in environments where resistance to erosion and seawater exposure is crucial.
| 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 marine engineering, offshore oil and gas platforms, and shipbuilding, thanks to their exceptional resistance to seawater and chloride-induced corrosion. They’re also a go-to choice in desalination plants, power generation, and heat exchanger systems where long-lasting durability is a must. In the chemical processing sector, these fasteners are favored for managing corrosive fluids and brines. Their thermal stability and anti-biofouling properties make them ideal for condenser tubing and piping systems. All in all, they are the perfect solution for critical fastening needs in harsh and corrosive environments.
Our Stud Bolts Copper Nickel 90/10 at Pengkumta 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.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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