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Aluminum bronze

  • Aluminum bronze

Aluminum bronze is a Cu-Al-based alloy, with other metals added, including Fe, Ni, and Mn, to ensure high tensile strength, elongation, and hardness, as well as excellent resistance against corrosion and especially high temperatures.

Kaibara Original Materials

Kaibara original materials are independently developed by Kaibara.

Symbol Previous symbol Alloy base Characteristics Application example
SKB7 Cu-Al-Fe-Si-based Fe3Si-compound precipitation type
Good wear resistance
Worm wheels
SKB8 Cu-Al-Fe-Si-based Fe3Si-compound precipitation type
Good seizure resistance and wear resistance
Shoes
Valve plates
Worm wheels

JIS-conforming Materials

Symbol Previous symbol Alloy base Characteristics Application example
CAC701 AIBC1 Cu-Al-Fe-based High toughness with good corrosion resistance, heat resistance, abrasion resistance, and low-temperature characteristics Acid resistant pumps, bearings, gears, valve seats, and plungers
CAC701C AIBC1C
CAC702 AIBC2 Cu-Al-Fe-Ni-Mn-based High strength and good corrosion resistance and wear resistance Bearings, gears, valve seats, impellers, bolts, and nuts
CAC702C AIBC2C
CAC703 AIBC3 Cu-Al-Fe-Ni-Mn-based Particularly high strength, excellent corrosion resistance, and good wear resistance Bearings, impellers, valves, gears, pump parts, bolts and nuts for ships, and equipment parts for chemical industries
CAC703C AIBC3C
CAC704 AIBC4 Cu-Al-Mn-Fe-Ni-based Particularly high strength, good corrosion resistance, and wear resistance Sleeves, gears, and chemical equipment parts

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