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Puri Fasteners is a well-respected manufacturer and supplier located in Chennai, known for providing top-notch **Copper Nickel 70/30 Washers** that are perfect for tough industrial settings. With a keen emphasis on precision engineering, durability, and adherence to international quality standards, the company produces washers that offer exceptional corrosion resistance and long-lasting reliability. Puri Fasteners serves various industries, including marine, offshore, power generation, and chemical processing, supplying products that can endure harsh seawater and corrosive environments. Their dedication to excellence, prompt delivery, and customer-focused service has established them as a trusted provider of Copper Nickel 70/30 fastening components across diverse sectors.
Copper Nickel 70/30 Washers are made up of **70% copper and 30% nickel**, along with trace amounts of iron and manganese that boost their strength and corrosion resistance. This alloy boasts better mechanical properties than the 90/10 grade, featuring higher tensile strength, excellent ductility, and superior resistance to erosion, stress corrosion, and high-velocity seawater. The washers remain stable even in high temperatures and under pressure, making them ideal for critical applications. Their well-balanced composition ensures outstanding reliability, mechanical toughness, and durability in challenging marine and industrial conditions.
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 find extensive use in industries that demand exceptional corrosion resistance, mechanical strength, and stability in tough environments. They are particularly popular in **marine engineering** for applications like seawater pipelines, shipbuilding, heat exchangers, condensers, and desalination units, thanks to their resistance to biofouling and erosion. In the **chemical and petrochemical sectors**, these washers are essential for ensuring reliable performance in various applications, providing the durability and strength needed to withstand harsh conditions.
Our Copper Nickel 70/30 washers at Puri Fasteners are carefully packed to ensure that they do not lose their quality. These washers are protected and packed separately in hard containers to avoid any harm and contamination from moisture. Proper labeling makes it easier to locate and manage the items for the best results. The packaging process is very accurate to ensure that the washers reach their destination in perfect condition and are usable as soon as they get to the client, which is a clear indication of our dedication to providing high-quality products and excellent services to our clients.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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