Aluminum Bronze Alloy – Aluminium Bronze Material

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Aluminium bronze is a type of bronze that aluminium is the main alloying metal added to copper, in contrast to standard bronze (copper and tin) or brass (copper and zinc). Special Bronze alloys with Other alloying agents such as iron, nickel, manganese and silicon are sometimes added to aluminium bronze for different industrial scenarios.

Experience unmatched durability with our Aluminum Bronze Alloy. Engineered for industrial use, this corrosion-resistant alloy ensures longevity in demanding environments. Buy now for superior performance!

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What Is Aluminum Bronze

Aluminum bronze stands out as a distinctive type of bronze alloy, characterized by the addition of aluminum as the primary alloying metal alongside copper. Unlike traditional bronze, which relies on a blend of copper and tin, or brass, which merges copper with zinc, aluminum bronze typically encompasses 5% to 11% aluminum by weight, with the remaining composition being predominantly copper. Additionally, supplementary elements like iron, nickel, manganese, and silicon may be incorporated to further enhance its properties.

Notably, they demonstrate exceptional resistance to corrosion in marine environments, can endure high temperatures without oxidizing, and display minimal reactivity to sulfurous compounds and other combustion byproducts. The inclusion of aluminum prompts the formation of a protective layer of alumina on the surface, mitigating further corrosion of the copper-rich alloy. Moreover, the introduction of elements such as tin can augment their corrosion resistance.

How To Make Aluminum Bronze

To produce aluminum bronze, melt copper and aluminum together, adding optional elements like iron, nickel, manganese, and silicon for desired properties. Here’s a summary:

  1. Raw Material Selection: Choose high-quality copper and aluminum, typically with aluminum content between 5% to 11%, and add other elements as needed.
  2. Melting: Heat the metals in a crucible until they melt. Copper melts at about 1085°C (1985°F) and aluminum at about 660°C (1220°F).
  3. Alloying: Mix the molten metals to form the alloy, ensuring uniform composition by stirring.
  4. Casting: Pour the molten alloy into molds using methods like sand casting, centrifugal casting, or continuous casting.
  5. Cooling and Removal: Let the metal cool and solidify, then remove it from the mold.
  6. Finishing: Further process the casting if needed, such as machining, grinding, or polishing, to achieve desired dimensions and surface finish.
Aluminum Bronze Bushing casting Aluminum Bronze Bearing
Aluminum Bronze Bushing aluminium bronze

Aluminium Bronze Grades

Aluminum bronze grades are classified based on their composition, which typically includes copper and aluminum, along with additional elements like iron, nickel, manganese, and silicon to enhance properties. Here’s a summary:

  • Common Aluminum Bronze Grades: CuAl5 (CA104, CW307G, BS2 B23, DTD197A): 4% to 6.5% aluminum, 0.5% iron, 0.8% nickel, 0.5% manganese, and 0.5% zinc. Known for wear resistance, shock loading capacity, and mechanical properties at cryogenic temperatures.
    CuAl8: 7% to 9% aluminum, 0.5% iron, 0.8% nickel, 0.5% manganese, and 0.5% zinc.
    CuAl8Fe3: 1.5% to 3.5% aluminum, 1% iron, 1% nickel, 0.8% manganese, and 0.5% zinc.
    CuAl9Mn2: 8% to 10% aluminum, 1.5% iron, 0.8% nickel, 1.5% to 3% manganese, and 0.5% zinc.
    CuAl10Fe3: 2% to 4% aluminum, 2% to 4% iron, 1% nickel, 2% manganese, and 0.5% zinc.
    CuAl10Fe5Ni5: 2% to 6% aluminum, 2% to 6% iron, 4% to 6% nickel, 2% manganese, and 0.5% zinc.
  • Specialized Grades: C95400, C95500, C95900: High-strength aluminum bronze alloys by Concast, with C959 being tougher than C954. Known for strength and high wear resistance.
    Nickel Aluminum Bronze (ASTM B505): Excellent wear and galling resistance, high strength, and superior corrosion resistance, widely used in marine applications and bearings.

The Benefit Of Aluminium Bronze Alloy & Cast Bronze Material

Aluminium Bronze Bushing For Extreme Strength

bronze guide plate, Aluminium Bronze

High strength Aluminium bronze is used extensively in oil and gas platforms for pumps, valves, and pipelines in industries where safety is of paramount importance.

Aluminum Bronze

Wear plates, high-strength bearings, bushings, gears, valve seats & guides

  • C95400 Aluminum Bronze
  • C95410 Aluminum Bronze
  • C95200 Aluminum Bronze
  • C95300 Aluminum Bronze

Corrosion Resistance – Aluminum Bronze Alloy


Tankers and ships rely on aluminum bronze materials to prevent corrosion and resist atmospheric conditions, high temperatures, low temperatures & harsh chemical environments. It is also bio-stable, meaning that it prevents the growth of biological elements on its surface, making it a more favorable choice than other non-copper alloys.

No Sparking

Mining machinery

Aluminum bronze bushings are used in many industries because they do not generate sparks under any circumstances. This is why they are so important in the oil and gas, mining and aerospace, and transport industries.

No Magnetism


This property makes aluminium bronze bushings very suitable for industries that use high power magnets, such as MRI machines in hospitals.

Easy To Weld

Medical-Machining-CNC-Turning-Brass-Copper, mold parts

One of the best advantages of this material includes its ability to be welded even after it has been cast. This means that aluminum bronze is a unique metal that can be welded into place safely and efficiently. In many cases, aluminum bronze parts do not even need to be disassembled for fixing.

The alloy also exhibits incredible thermal and electrical conductivity and maintains its ability to withstand metal-to-metal wear.

High Leaded Tin Bronze

High-speed bearings, pump parts, general utility bearings, bushings, and wear plates

  • C93200 (SAE 660) Bronze
  • C93400 Bronze
  • C93500 Bronze
  • C93600 Bronze
  • C93700 (SAE 64) Bronze
  • C93800 Bronze
  • C94100 Bronze
  • C94300 Bronze
  • C94500 Bronze

Leaded Red Brass

Pump components, bearings, small gears, impellers, flanges, low-pressure valves & fittings

  • C83600 (SAE 40) Leaded Red Brass
  • C83800 Leaded Red Brass
  • C84200 Leaded Semi-Red Brass
  • C84400 Leaded Semi-Red Brass
    C84800 Leaded Semi-Red Brass

Manganese Bronze

Heavy duty high strength alloy for gears, cams, slow speed heavy load bearings & screw down nuts

  • C86200 Manganese Bronze
  • C86300 (SAE 430B) Mn Bronze
  • C86400 Manganese Bronze
  • C86500 Manganese Bronze

Nickel Tin Bronze Bushing

Bearings, wear plates, shift forks, feeding mechanisms, circuit breaker parts, gears, valve stems, piston cylinders & nozzles

  • C94700 Nickel Tin Bronze
  • C94800 Leaded Nickel Tin Bronze

Tin Bronze Bushing

Marine pumps, valves, bearings, piston rings, steam fittings, gears, and worm wheels

  • C90200 Tin Bronze
  • C90300 (SAE 620) Tin Bronze
  • C90500 (SAE 62) Tin Bronze
  • C90700 (SAE 65) Tin Bronze
  • C91000 Tin Bronze
  • C91100 Tin Bronze
  • C91300 Tin Bronze
  • C91600 Tin Bronze
  • C91700 Tin Bronze

Leaded Tin Bronze

Valve components, medium pressure valves, steam fittings, bearings, gears & piston rings

  • C92200 Leaded Tin Bronze
  • C92300 Leaded Tin Bronze
  • C92500 Leaded Tin Bronze
  • C92600 Leaded Tin Bronze
  • C92700 Leaded Tin Bronze
  • C92800 Leaded Tin Bronze
  • C92900 Leaded Nickel Tin Bronze

Nickel Aluminum Bronze

High-strength bearings, corrosion-resistant parts, aircraft valve parts, and seats

  • C95500 Nickel Aluminum Bronze
  • C95510 Nickel Aluminum Bronze
  • C95800 Nickel Aluminum Bronze
  • C95900 Nickel Aluminum Bronze

Nickel Silver Bronze

Food and beverage handling equipment, optical and photographic equipment

  • C97300 Nickel Silver Bronze
  • C97600 Nickel Silver Bronze
  • C97800 Nickel Silver Bronze
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954 Aluminum Bronze Alloy

C95400 Aluminum Bronze is also known as nickel-aluminum bronze because of the Ni content in its composition.

C95400 – The Most Popular Aluminium Bronze Alloy

C954 provides high tensile and yield strength, good ductility, weldability, and machinability, which also has excellent wear resistance, resistance to impact, and fatigue deformation under heavy loads. It is ranked among the strongest and best acid-reducing alloys with good machine and weldability.


C95800 nickel aluminum bronze gate valve is widely used in marine engineering, environmental protection engineering, and oxidizing medium corrosion.

Chemical Composition Of Nickel-Aluminium Bronze

The main chemical composition of nickel-aluminum bronze: copper Cu; the rest of lead Pb: ≤ 0.02 (impurities), nickel Ni: 4.0 ~ 5.0, aluminum Al: 8.5 ~ 10.0, iron Fe: 4.0 ~ 5.0, manganese Mn: 0.8 ~ 2.5, silicon Si: ≤ 0.15 (impurities), carbon C (impurities) ≤ 1.0.

Aluminum bronze alloy
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ASTM B150 C63200 Aluminum Bronze Alloy

C63200 Aluminum Bronze Bushing has high mechanical properties, excellent corrosion resistance in atmosphere, freshwater, and seawater, good castability & wear resistance, heat resistance up to 400°C, heat treatable, and good weldability.

Chemical Composition

Cu+Ag: 88.2~92.2
Nickel(With Cobalt) Ni(With Co): 4.0~5.5

Common Aluminum Bronze Alloys & Typical Applications

  • C95200 is a highly ductile material with good corrosion resistance. This is ideally suited for bushings, bearings, light-duty gears, wear plates, low-pressure piping, pump columns, and containers.
  • C95500 is one of the toughest of the non-ferrous alloys. It serves the same industries as C95400 with higher strength, hardness, and corrosion resistance, though it has a slightly lower impact toughness.
  • As a special Nickel Aluminum Bronze, C95800 is especially suited for marine applications with optimum resistance to seawater corrosion. Those may include propeller system parts, bushings, bearings, piping, including desalination, and other corrosive marine applications.
  • C95900 provides higher hardness and compressive strength, and is used for wear plates, forming rolls, draw dies, gears, valve guides, seats, and die inserts.
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CC333G : CUAL10FE5NI5 Aluminum Bronze Bushings

Aluminum bronze alloy bushing EN 1982 CuAl10Fe5Ni5-C (CC333G)

CC333G / CUAL10FE5NI5 aluminum bronze bushing Combining the robust qualities of aluminum and copper, this continuous cast aluminum bronze stands out as a reliable choice for heavy-load scenarios and environments where traditional tin or leaded bronzes fall short.

  • The Strength of Aluminum Bronze alloy: A Perfect Fit for Heavy Loads
  • Corrosion Resistance: A Marine Industry Favorite
  • While CC333G / CUAL10FE5NI5 aluminum bronze boasts impressive qualities, it’s important to note that the absence of zinc and lead in this material places a strong emphasis on lubrication.
  • Continuous Casting: The Manufacturing Advantage

From marine environments to heavy machinery, this aluminum bronze variant continues to prove its mettle. As long as proper lubrication practices are followed, the CC333G / CUAL10FE5NI5 aluminum bronze bushing offers a durable solution that can withstand the test of time and demanding conditions.

CUAL10NI DIN 1705, 1709, Aluminum Bronze Alloy

CuAl10Ni aluminum bronze bushings epitomize the synergy of strength, hardness, wear resistance, and corrosion resistance. From the demanding world of shipbuilding to heavily loaded machinery, these bushings offer a solution that withstands the toughest challenges. As industries continue to push the boundaries of engineering, the CuAl10Ni aluminum bronze bushing stands as a testament to the incredible achievements that can be unlocked through the fusion of science, metallurgy, and innovation.

The mechanical properties of CuAl10Ni aluminium bronze, as defined by DIN 1705, 1709, and 1714 standards, are equally impressive:

RM (Tensile Strength): 700 MPa
RP02 (Yield Strength): 300 MPa
A (Elongation): 13%
HB (Hardness): 160

CUAL10NI DIN 1705 1709 1714 Aluminm Bronze