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Aria Fasteners, a reputable manufacturer and supplier located in Hamilton, New Zealand, is well-regarded for crafting high-quality **Copper Nickel 70/30 Washers** that are built to withstand tough industrial and marine conditions. With a keen emphasis on precision, durability, and reliable performance, the company caters to industries like shipbuilding, desalination, chemical processing, and power generation. Their state-of-the-art manufacturing processes and rigorous quality control ensure that each washer offers outstanding corrosion resistance and a long lifespan. Thanks to their technical know-how, dependable customer service, and unwavering commitment to excellence, Aria Fasteners has become a go-to source for top-notch fastening components.
The Copper Nickel 70/30 Washers are made from an alloy that consists of about **70% copper and 30% nickel**, with small additions of iron and manganese to boost strength and corrosion resistance. This alloy is known for its remarkable ability to resist seawater, erosion, and stress corrosion cracking. In terms of mechanics, it delivers moderate tensile strength, excellent ductility, and stable performance across a range of temperatures. Its strong microstructure guarantees reliability in high-salinity and high-pressure settings, making these washers ideal for long-term use in critical industrial applications.
Grade | Cu | Mn | Pb | Ni | Fe | Zn |
Cupro Nickel 70/30 | 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 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2” to 12″ |
| Standards | ASTM, ASME Washer, ANSI Washer, DIN Washer, EN Washer, BS Washer etc |
| Grade | Copper & Copper Nickel Nickel 70/30 (C71500) |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
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 70/30 washers are widely used in marine applications such as in ships and other offshore structures because of their excellent resistance to corrosion by sea water. They are useful in desalination plants due to their ability to offer good resistance to chloride corrosion. Also, these washers are used in chemical processing industries, heat exchangers, and other industries where these washers guarantee stability and reliability due to their material properties and resistance to different conditions.
These Copper Nickel 70/30 Washers are commonly found in environments that demand exceptional resistance to seawater corrosion, biofouling, and mechanical wear. They play a vital role in marine engineering projects such as shipbuilding, seawater cooling systems, offshore platforms, and desalination facilities. Additionally, these washers are used in heat exchangers, condensers, and piping systems to ensure secure and durable fastening in corrosive conditions. Their robust nature also makes them suitable for chemical processing and coastal infrastructure projects. With impressive stability and resistance to metal fatigue, they deliver dependable performance in harsh and demanding operating environments.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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