BS3332/C White Metal Bearing Alloy

Tin-Rich Bearing Alloy

BS3332/C white metal bearing alloy is a tin-rich white metal bearing alloy formulated to provide excellent mechanical strength and wear resistance in demanding bearing applications. With a balanced composition of tin and controlled additions of antimony, copper, nickel, and minor elements, this alloy ensures reliable performance in heavy load and high-speed environments. BS3332/C meets the chemical requirements of the BS 3332:1987 standard and is trusted in industrial bearing manufacturing.

Chemical Composition

Element Typical Range (%)
Tin (Sn) Balance
Antimony (Sb) 8.5 – 10.0
Copper (Cu) 3.5 – 5.0
Lead (Pb) Max 0.35
Cadmium (Cd) Max 0.05
Arsenic (As) Max 0.1
Nickel (Ni) None specified
Zinc (Zn) Max 0.005
Bismuth (Bi) Max 0.08
Iron (Fe) Max 0.10
Aluminium (Al) Max 0.005
Other Elements Max 0.2

Key Benefits

  • High wear resistance suitable for heavy-duty bearing applications
  • Optimised tin-based composition for excellent mechanical properties
  • Low lead and impurity levels adhering to BS 3332:1987 standard
  • Trusted alloy for industrial bearing manufacturers

Typical Applications

  • Heavy load plain bearings
  • Internal combustion engines
  • Mining and industrial equipment bearings
  • Other high-performance bearing surfaces

Why Choose DKL Metals’ BS3332/C Alloy?

DKL Metals supplies BS3332/C white metal bearing alloy with consistent quality, full traceability, and compliance with the British Standard BS 3332:1987. Our expertise and UK-based manufacturing ensure reliable supply and technical support for all your critical bearing alloy needs.

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