Nickel Aluminum Bronze (NA) is important demanding material specially in seawater applications for their super corrosion resistance and wearing, excellent physical, mechanical, anti-corrosive, properties.- ARAN delivering worldwide ranges of of Nickel Aluminum Bronze ball valves. Nickel Aluminum Bronze valves available in both cast and forging product forms, the usual production material codes: ASTM B148 C95800, C95500 etc. The size from 1/2”~24” and pressure 150LBS~600LBS.
- The material Duplex SS, Stainless Steel and titanium are also alternative material for Sea water fluid, however NAB is more popular in market demanding due to its many advantages for the better cost effective price, material long service life duration, material production technical consistent and good material properties.
- Duplex SS corrosion resistance in stagnate seawater may not be adequate for the corrosion will be high, and this material usually need do non-destructive tests, which is quite a lot of production cost. Stainless steel valves are subject to severe crevice corrosion and pitting in seawater, and 6Mo, duplex and super duplex SS valves are limited to a temperature of 20 ℃ and a maximum chlorine content in seawater service.
- Compared with Titanium material, bronze material cost is tremendously cheaper and titanium material production is not so usual in market,means the material is high cost and production will be more limited. What’s more, the NAB material has the advantages such as higher mechanical strength and higher pressure-temperature rating compared to titanium.
- Nickel Aluminum Bronze also abbreviated NAB, NiAlBr.
- Nickel aluminium bronze Properties:
- • Excellent wear and galling resistance
- • High strength
- • Density (10% lighter than steel)
- • Non-sparking
- • Low magnetic permeability (of <1.03 µ in selected grades)
- • High corrosion resistance
- • Good stress corrosion properties
- • Good cryogenic properties
- • High resistance to cavitation
- • Damping capacity twice that of steel
- • High resistance to biofouling
- • A protective oxide surface film which has the ability to self-repair
- Advantages of Nickel Aluminum Bronze
- High Strength - Good wear and abrasion resistance.
- With the addition of Nickel can be achieved without diminishing ductility
- Corrosion resistant - Especially in sea water and in various chemical environments
- Excellent physical and mechanical properties that can be improved via various thermal treatments
- Nickel Aluminium Bronze Ball Valves Application
- Marine, Offshore, Oil/gas, Petrochemical industry, and Desalination and water condenser systems etc.