AMS 4881 Nickel Aluminum Bronze Manufacturer, Supplier & Exporter
AMS 4881 Nickel Aluminum Bronze Manufacturer in India, AMS 4881 C95520 Nickel Aluminum Bronze Round Bars Supplier, Nickel Aluminum Bronze Instrumentation Fittings Manufacturer, AMS 4881 C95520 Nickel Aluminum Bronze Tube Sheets Supplier, AMS 4881 Nickel Aluminum Bronze Forged Elbow Exporter, AMS 4881 Nickel Aluminum Bronze Machined Components Manufacturer.
Cunimet Alloys Pvt. Ltd. is a trusted manufacturer and supplier of AMS 4881 Nickel Aluminum Bronze, offering high-performance alloy solutions for critical industrial and marine applications. AMS 4881 is a premium nickel aluminum bronze grade known for its superior mechanical strength, excellent wear resistance, and outstanding corrosion resistance, especially in seawater and aggressive operating environments. This alloy provides reliable protection against cavitation, erosion, and stress corrosion cracking, making it an ideal material for components subjected to high loads, continuous motion, and severe service conditions.
AMS 4881 Nickel Aluminum Bronze is widely used across marine, offshore, oil and gas, power generation, and heavy engineering industries where long service life, structural integrity, and consistent performance are essential. Its enhanced metallurgical structure ensures excellent toughness and stable mechanical properties, even under fluctuating temperatures and pressure conditions. The alloy also offers good machinability, enabling the production of complex and precision-engineered components.
AMS 4881 Nickel Aluminum Bronze (C95520)
At Cunimet Alloys Pvt. Ltd., AMS 4881 products are manufactured in compliance with stringent quality standards to meet international specifications and project requirements. We manufacture this grade in a wide range of shapes, including bars and rods, tube sheets, and machined components such as instrumentation fittings, flanges, forged elbows, tees, rings, and circles. Each product is carefully inspected to ensure dimensional accuracy and performance reliability.
For quotations, technical support, and product enquiries, contact Cunimet Alloys Pvt. Ltd. at sales@cunimetalloys.com.
Uses for AMS 4881 Nickel Aluminum Bronze:
- Aerospace: Landing gear bushings, structural bearings and aircraft wear components
- Oil & Gas: Rock bit bearings, bushings and thrust washers, BOP components and wellhead equipment
- Automotive: Industrial and automotive bearings, off-highway vehicle bushings and forming roll bearings
- Marine: Seawater pump parts, sleeves and heavy-duty marine bushings
- Industrial: Cams, shafts, hydraulic bushings for earth-moving machinery, valve balls, cryogenic service parts and drill guide bushings
- Military: Tank track bearings, heavy-load bushings and aircraft system components
AMS 4881 Nickel Aluminum Bronze Rods Stockist in India, AMS 4881 Nickel Aluminum Bronze Flanges Stockist, UNS C95520 AMS 4881 Nickel Aluminum Bronze Forged Tee Manufacturer, AMS 4881 Nickel Aluminum Bronze Fittings Manufacturer, AMS 4881 Nickel Aluminum Bronze Forged Ring Exporter, and AMS 4881 Nickel Aluminum Bronze Forged Circle Manufacturer in India.
Shapes & Sizes For AMS 4881 Nickel Aluminum Bronze
| Product Form | Size Range |
|---|---|
| AMS 4881 Nickel Aluminum Bronze Bars & Rods | Round, Square & Hex from Ø6 mm to Ø300 mm |
| AMS 4881 Nickel Aluminum Bronze Tube Sheets | Thickness: 10 mm to 300 mm Diameter: Up to 3000 mm |
| AMS 4881 Nickel Aluminum Bronze Instrumentation Fittings | 1/8” to 2” (As per drawings & applicable standards) |
| AMS 4881 Nickel Aluminum Bronze Flanges | ½” to 24” (Class 150 to 2500 / PN 10 to PN 420) |
| AMS 4881 Nickel Aluminum Bronze Forged Elbows & Tees | ½” to 24” (Seamless / Forged Construction) |
| AMS 4881 Nickel Aluminum Bronze Forged Rings | Outside Diameter up to 2500 mm Thickness up to 300 mm |
| AMS 4881 Nickel Aluminum Bronze Forged Circles | Diameter up to 2500 mm Thickness up to 300 mm |
| Custom sizes, tolerances, and finishes are available as per customer drawings and specifications. | |
Material Designation & Standards
| UNS Number | C95520 / AMS 4881 |
| AMS Standard | AMS 4881 (Nickel Aluminum Bronze) |
| ASTM Standards |
ASTM B505 (Continuous Cast), ASTM B271 (Centrifugal Cast) |
| SAE Standards | SAE J461, SAE J462 |
| British Standard | BS EN 1982 – CB333G (Nickel Aluminum Bronze – equivalent) |
| European Standard | EN 1982 – CB333G / CuAl10Fe5Ni5-B (Nickel Aluminum Bronze – equivalent) |
| ISO (Chemical Designation) | CuAl10Fe5Ni5-B |
| Common Names | Nickel Aluminum Bronze, NAB, C95520, AMS 4881 |
AMS 4881 Nickel Aluminum Bronze Chemical Composition
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 74.5 min |
| Aluminum (Al) | 10.5 – 11.5 |
| Chromium (Cr) | 0.05 max |
| Cobalt (Co) | 0.20 max |
| Iron (Fe) | 4.0 – 5.5 |
| Lead (Pb) | 0.03 max |
| Manganese (Mn) | 1.5 max |
| Nickel (Ni) | 4.2 – 6.0 |
| Tin (Sn) | 0.25 max |
| Zinc (Zn) | 0.30 max |
AMS 4881 Nickel Aluminum Bronze Mechanical Properties
| Section Size | Tensile Strength (KSI) | Yield Strength (KSI) | Elongation | Hardness |
|---|---|---|---|---|
| 1" and over (Typical – AMS 4881) | 125 min | 90 min | 2% | 26 HRC |
| 1" and over (Typical – AMS 4881D) | 135 min | 100 min | 3% | 30 HRC |
AMS 4881 Nickel Aluminum Bronze Physical Properties
| Property | Value |
|---|---|
| Melting Point (Liquidus) | 1930 °F |
| Melting Point (Solidus) | 1900 °F |
| Density @ 68°F | 0.272 lb/cu in |
| Specific Gravity | 7.53 |
| Electrical Resistivity | 122.8 |
| Electrical Conductivity @ 68°F | 8.5 % IACS |
| Thermal Conductivity @ 68°F | 24.2 Btu/sq ft/ft/hr/°F |
| Coefficient of Thermal Expansion (68–212°F) | 9.0 ×10⁻⁶ /°F |
| Specific Heat Capacity @ 68°F | 0.10 Btu/lb/°F |
| Modulus of Elasticity (Tension) | 16,000 ksi |
| Magnetic Permeability | 1.2 |
| Machinability Rating | 50 |
AMS 4881 Nickel Aluminum Bronze Equivalent Grades
| Standard | Equivalent Specification |
|---|---|
| AMS | AMS 4881 (Nickel Aluminum Bronze) |
| UNS | C95520 |
| ASTM | ASTM B505 (Continuous Cast), ASTM B271 (Centrifugal Cast) |
| ASME | ASME SB505, ASME SB271 |
| SAE | SAE J461, SAE J462 |
| Military Specification | Not specified (project / application specific for AMS 4881) |
Types of AMS 4881 Nickel Aluminum Bronze Fittings
| AMS 4881 Nickel Aluminum Bronze Male Connector | AMS 4881 Nickel Aluminum Bronze Male Connector |
| AMS 4881 Nickel Aluminum Bronze Bulk Head Male Connector | AMS 4881 Nickel Aluminum Bronze Male Elbow |
| AMS 4881 Nickel Aluminum Bronze 45 Deg Male Elbow | AMS 4881 Nickel Aluminum Bronze Male Branch Tee |
| AMS 4881 Nickel Aluminum Bronze Male Run Tee | AMS 4881 Nickel Aluminum Bronze Female Connector |
| AMS 4881 Nickel Aluminum Bronze Bulkhead Female Connector | AMS 4881 Nickel Aluminum Bronze Female Elbow |
| AMS 4881 Nickel Aluminum Bronze Female Run Tee | AMS 4881 Nickel Aluminum Bronze Female Branch Tee |
| AMS 4881 Nickel Aluminum Bronze Union | AMS 4881 Nickel Aluminum Bronze Reducer Union |
| AMS 4881 Nickel Aluminum Bronze Bulkhead Union | AMS 4881 Nickel Aluminum Bronze Union Elbow |
| AMS 4881 Nickel Aluminum Bronze Union Tee | AMS 4881 Nickel Aluminum Bronze Union Cross |
| AMS 4881 Nickel Aluminum Bronze Reducer | AMS 4881 Nickel Aluminum Bronze Bulkhead Reducer |
| AMS 4881 Nickel Aluminum Bronze Port Connector Tube Fittings | AMS 4881 Nickel Aluminum Bronze Male Adapter |
| AMS 4881 Nickel Aluminum Bronze Female Adapter | AMS 4881 Nickel Aluminum Bronze Tube End Cap |
| AMS 4881 Nickel Aluminum Bronze Plug (Port Ends) (TP) | AMS 4881 Nickel Aluminum Bronze Tube Socket Weld Union |
| AMS 4881 Nickel Aluminum Bronze Male Pipe Weld Connector | AMS 4881 Nickel Aluminum Bronze Tube Socket Weld Elbow |
| AMS 4881 Nickel Aluminum Bronze Male Pipe Weld Elbow | AMS 4881 Nickel Aluminum Bronze Back Ferrule |
| AMS 4881 Nickel Aluminum Bronze Front Ferrule |
Types of AMS 4881 Nickel Aluminum Bronze Fittings
| AMS 4881 Nickel Aluminum Bronze Threaded Hex Bushing |
| AMS 4881 Nickel Aluminum Bronze Threaded Union |
| AMS 4881 Nickel Aluminum Bronze Threaded Tee |
| AMS 4881 Nickel Aluminum Bronze Threaded 90 Degree Elbow |
| AMS 4881 Nickel Aluminum Bronze Threaded 90 Deg Street Elbow |
| AMS 4881 Nickel Aluminum Bronze Threaded Reducing Coupling |
| AMS 4881 Nickel Aluminum Bronze Threaded Coupling |
| AMS 4881 Nickel Aluminum Bronze Threaded Square Head Cored Plug |
| AMS 4881 Nickel Aluminum Bronze Threaded Reducing Tee |
| AMS 4881 Nickel Aluminum Bronze Threaded Reducing Tee |
| AMS 4881 Nickel Aluminum Bronze Threaded 45 Degree Elbow |
| AMS 4881 Nickel Aluminum Bronze Threaded 45 Deg Street Elbow |
| AMS 4881 Nickel Aluminum Bronze Threaded 90 Deg Reducing Elbow |
| AMS 4881 Nickel Aluminum Bronze Threaded Bull Head Tee |
| AMS 4881 Nickel Aluminum Bronze Threaded Cross |
Industries & Applications We Serve
Exporting AMS 4881 Nickel Aluminum Bronze Worldwide
We export AMS 4881 Nickel Aluminum Bronze to countries across the globe, including Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, United States, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen
AMS 4881 Nickel Aluminum Bronze Supplier Across India
We supply AMS 4881 Nickel Aluminum Bronze to cities including Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmedabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai-Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, and Tiruchirappalli.
