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Copper Alloys C44300 | Product Overview
Introduction To Aluminium Bronze (C95400 / C95500 / C95800)
MOKSH TUBES & FITTINGS LLP is a trusted manufacturer, stockist, and global supplier of high-quality Aluminium Bronze products. This family of copper-based alloys with aluminium as the primary alloying element offers outstanding strength, wear resistance, and corrosion resistance in marine and industrial environments.
Aluminium Bronze, typically contains 5% to 12% aluminium, along with iron, nickel, and manganese for enhanced mechanical and anti-corrosive properties. It is the material of choice for demanding applications involving seawater, chemical exposure, and heavy-duty loads.
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Aluminium Bronze Specifications (C95400 / C95500 / C95800)
| Category | Details |
|---|---|
| Grades | C95400, C95500, C95800, BS 1400 AB1 / AB2 |
| Material Type | High-Strength Copper–Aluminium Alloy |
| Composition Range | Cu 77–83%, Al 8.5–11.5%, Fe 3–5%, Ni 0–5.5%, Mn ≤ 1.5% |
| Standards | ASTM B148, B150, B505, B271; BS 1400 AB1 / AB2 |
| Conditions | As-Cast, Hot Rolled, Cold Drawn, Heat Treated / Aged |
| Heat Treatment | Annealing, Stress Relieving, Aging |
| Testing Offered | Chemical, Mechanical, Hardness, IGC, UT (on request) |
| Certification | EN 10204 3.1 / 3.2 MTC |
Chemical Composition – Aluminium Bronze
| Element | C95400 (%) | C95500 (%) | C95800 (%) |
|---|---|---|---|
| Copper (Cu) | 83.0 | 79.0 | 77.0 |
| Aluminium (Al) | 10.5 – 11.5 | 10.0 – 11.5 | 8.5 – 9.5 |
| Iron (Fe) | 3.0 max | 3.5 – 5.0 | 4.0 – 5.0 |
| Nickel (Ni) | — | 4.5 – 5.5 | 4.5 – 5.5 |
| Manganese (Mn) | 0.5 max | 1.5 max | 1.5 max |
| Other Elements | 1.5 max | 1.5 max | 1.5 max |
Physical Properties of Aluminium Bronze
| Property | Value |
|---|---|
| Density | 7.6 – 7.8 g/cm³ |
| Melting Point | ~1030 – 1045 °C |
| Thermal Conductivity | 40 – 60 W/m·K |
| Electrical Conductivity | 7 – 12% IACS |
| Magnetic Properties | Non-Magnetic |
Heat Treatment of Aluminium Bronze
| Process | Temperature Range | Cooling / Procedure |
|---|---|---|
| Annealing | 650 – 750°C | Furnace cool slowly |
| Stress Relieving | 250 – 350°C | Air cool |
| Solution Treatment | 780 – 870°C | Water or oil quench |
| Age Hardening | 450 – 550°C | Air cool (increases strength) |
📌 Heat treatment varies by grade and desired mechanical properties.
Mechanical Properties – Aluminium Bronze
| Property | Annealed | Cold-Drawn | As-Cast | Heat Treated |
|---|---|---|---|---|
| Tensile Strength | 480–620 MPa | 760–1030 MPa | 380–480 MPa | 830–1100 MPa |
| Yield Strength (0.2%) | 170–310 MPa | 480–760 MPa | 140–275 MPa | 760–965 MPa |
| Elongation | 30–50% | 10–20% | 10–30% | 5–15% |
| Brinell Hardness | 150–230 HB | 230–300 HB | 120–180 HB | 250–320 HB |
Available Forms & Size Range – Aluminium Bronze
| Product Form | Size Range / Description |
|---|---|
| Round Bars / Rods | 10 mm – 400 mm diameter |
| Flats, Squares & Hex Bars | Custom sizes up to 300 mm |
| Sheets & Plates | 2 – 150 mm (Width 600 – 3000 mm) |
| Pipes (Seamless / Welded) | OD 12 – 200 mm, WT 2 – 20 mm |
| Bushings & Bearings | Custom OD / ID |
| Rings, Discs & Forgings | As per specification |
International Standards & Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| UNS | C95400 / C95500 / C95800 |
| ASTM | B148, B150, B505, B271 |
| BS | AB1, AB2 |
| ISO / EN | CuAl10Fe5Ni5 (approx.) |
| JIS | CAC703, CAC704 (approx.) |
Products in Aluminium Bronze
Aluminium Bronze is available in:
✔
Seamless Pipes
✔
Welded Pipes (ERW & EFW)
✔
Tubes (Capillary, U-Bend)
✔
Sheets & Plates
✔
Coils & Strips
✔
Round Bars, Flat Bars, Hex Bars, Square Bars
✔
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
✔
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
✔
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
✔
Custom Fabricated Components
Aluminium Bronze products are produced to the following global standards:
Uses and Advantages
Exceptional corrosion resistance (esp. in seawater)
High strength and hardness
Non-sparking and anti-galling
Excellent wear and erosion resistance
Good weldability and castability
Applications of Aluminium Bronze
Aluminium Bronze is extensively used in highly corrosive and high-load environments:
Marine Industry
Propeller shafts, pump casings, valves, heat exchangers, seawater piping
Oil & Gas
Subsea connectors, non-sparking tools, offshore platform fittings
Defense & Aerospace
Bearing cages, aircraft bushings, landing gear components
Power Generation
Turbine parts, valve stems, condenser tubes
General Engineering
Gears, wear plates, bearings, nuts, and bolts
Chemical Industry
Pumps, impellers, and components exposed to acid and salt media
WHY CHOOSE US?
Aluminium Bronze Price per kg in India
Typical Range: ₹650 – ₹1,100 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is Aluminium Bronze and why is it used?
Aluminium Bronze is a family of copper-based alloys containing 5–12% aluminium, along with iron, nickel, and manganese. It is widely used because of its high strength, wear resistance, and exceptional corrosion resistance in seawater and industrial environments.
How does Aluminium Bronze compare to other copper alloys or stainless steel?
Compared to traditional copper alloys, Aluminium Bronze offers superior hardness, tensile strength, and resistance to erosion and galling. Unlike stainless steels, it is non magnetic, non sparking, and performs exceptionally well in marine and offshore environments.
What are the common applications of Aluminium Bronze?
Aluminium Bronze is extensively used in marine, oil & gas, defense, aerospace, power generation, general engineering, and chemical industries. Typical applications include propeller shafts, pump casings, valves, heat exchangers, turbine parts, non sparking tools, bearings, and gears.
What Aluminium Bronze products does MOKSH TUBES & FITTINGS LLP supply?
We supply a wide range of Aluminium Bronze products including seamless & welded pipes, tubes, sheets, plates, coils, bars, pipe fittings, flanges, fasteners, and custom-fabricated components, all produced in compliance with ASTM, EN, BS, and ISO standards.
Why choose MOKSH TUBES & FITTINGS LLP for Aluminium Bronze products?
MOKSH TUBES & FITTINGS LLP is a trusted manufacturer, stockist, and global supplier offering large inventory, precision machining, customized solutions, competitive pricing, and timely delivery. With expertise in Aluminium Bronze, we provide reliable materials for marine, industrial, and high performance applications.
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