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High-strength brass

  • High-strength brass

High-strength brass is a Cu-Zn-based alloy, with other metals added, including Al, Fe, and Mn, to ensure high-tensile strength, hardness, and withstands high loads.

Kaibara Original Materials

Kaibara original materials are independently developed by Kaibara.

Symbol Previous symbol Alloy base Characteristics Application example
KMS6 Cu-Zn-Al-Mn-Si-based Mn5Si3 compound precipitation-type
Good wear resistance
Often used in tempered materials
Parts of shoe hydraulic equipment
KMS7 Cu-Zn-Al-Mn-Si-based Mn5Si3 compound precipitation-type
Good wear resistance
Often used in As Cast
Worm wheel and liners
Spherical bushes and cradle bearings
Cylinder blocks and bushes
KMS9 Cu-Zn-Al-Mn-Si-Ni-(Pb)-based Mn5Si3 compound precipitation-type
Good seizure and wear resistance
High hardness and good erosion resistance
Valve plates
Cradle bearings
KMS11 Cu-Zn-Mn-Si-Ni-Pb-based Mn5Si3 compound precipitation-type
Good wear resistance
Often used in tempered materials
Valve plates
Bushes
Cylinder blocks

JIS-conforming Materials

Symbol Previous symbol Alloy base Characteristics Application example
CAC301 HBsC1 Cu-Zn-Mn-Fe-Al-based Good corrosion resistance and toughness Propeller bonnets, bearings, valve seats, bearing retainers, and seal rings
CAC301C HBsC1C
CAC302 HBsC2 Cu-Zn-Mn-Fe-Al-based Good corrosion resistance, toughness, and wear resistance Bearings, bearing retainers, slippers, end plates, valve seats, valve stems, special cylinders, and general mechanical parts
CAC302C HBsC2C
CAC303 HBsC3 Cu-Zn-Al-Mn-Fe-based High strength and hardness, and good wear resistance even under high loads Low-speed and high-load frictional parts, bearings, worm wheels, slippers, nuts, and press machine bearings
CAC303C HBsC3C
CAC304 HBsC4 Cu-Zn-Al-Mn-Fe-based Highest strength and high hardness among the alloys listed here, and good wear resistance even under high loads Low-speed and high-load frictional parts,bearing plates for bridges, bearings, nuts, worm wheels, and wear-resistant plates
CAC304C HBsC4C

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