Virami Steel Hub is a trusted manufacturer, supplier, stockist, and exporter of premium-quality Copper Nickel 70/30 Flanges in Mumbai, India. We provide high-performance flanges designed for marine, offshore, and corrosive industrial environments, where durability and corrosion resistance are essential.
Our Cu-Ni 70/30 flanges are manufactured using top-grade raw materials and advanced production techniques to ensure excellent strength, superior corrosion resistance, precise dimensions, and long service life. We cater to both domestic and international markets, including the USA, Europe, the Middle East, Africa, and Southeast Asia.
With a commitment to quality and reliability, Virami Steel Hub delivers flanges that meet global standards and demanding industrial requirements.
Copper Nickel 70/30 flanges are piping components made from an alloy containing 70% copper and 30% nickel, along with small additions of iron and manganese. These flanges are widely used in piping systems that operate in seawater and harsh marine environments.
They are known for their exceptional resistance to corrosion, biofouling, and erosion, making them ideal for offshore and shipbuilding applications.
Key Functions:
Copper Nickel 70/30 has a balanced composition that enhances its performance in marine environments.
Typical Composition:
Nickel improves strength and corrosion resistance, while iron enhances resistance to erosion and impingement.
Copper Nickel 70/30 flanges offer exceptional benefits:
Copper Nickel 70/30 provides reliable mechanical strength:
These properties ensure durability under pressure and flow conditions.
These characteristics make it suitable for heat exchangers and marine piping systems.
Copper Nickel 70/30 flanges are highly resistant to:
This makes them ideal for offshore and shipbuilding industries.
Copper Nickel 70/30 is typically supplied in annealed condition.
Heat Treatment Process:
This improves ductility and workability.
Copper Nickel 70/30 flanges offer excellent weldability.
Welding Methods:
Best Practices:
Proper machining ensures precision and surface finish.
Copper Nickel 70/30 flanges are manufactured according to:
These standards ensure quality and global acceptance.
We offer a wide range of flange types:
Surface Finish Options:
Copper Nickel 70/30 flanges are widely used in industries exposed to seawater and harsh conditions.
Each flange undergoes strict quality checks:
Mill Test Certificates (MTC) and third-party inspection reports are provided.
Copper Nickel 70/30 Flanges are an excellent choice for marine and offshore industries due to their superior corrosion resistance, durability, and resistance to biofouling. Their ability to perform in harsh seawater environments makes them ideal for long-term industrial applications.
With a strong focus on quality and performance, Virami Steel Hub delivers Copper Nickel 70/30 flanges that ensure reliability, efficiency, and long service life in demanding conditions.
They are mainly used in marine, offshore, and desalination industries where seawater corrosion resistance is required.
Because it offers excellent resistance to seawater corrosion, biofouling, and erosion, making it ideal for marine environments.
70/30 offers higher strength and better corrosion resistance compared to 90/10, especially in high-velocity seawater systems.
Yes, they provide excellent resistance to seawater, chlorides, and marine growth.
Yes, they have excellent weldability using TIG, MIG, and SMAW processes.
Marine, offshore oil & gas, desalination plants, power generation, and chemical industries widely use them.
