Bronze Alloy

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Leaded Tin bronzesoffer good machinability and retain favorable thermal conductivity andlubricity due to their lead content. The lead content in these alloys istypically between 7 percent and 15 percent. Alloy C93200 (SAE 660 RG7) is themost common alloy in the family and is used in many bearing applications



The aluminum bronzes are the strongest andmost complex of the copper-based bearing alloys. Their aluminum contentprovides most of their high strength and makes them the only bearing bronzescapable of being heat treated. Their high strength, up to 68,000 psi yield and120,000 tensile, permits them to be used at unit loads up to 50 percent higherthan those for leaded tin bronze Alloy C93200. Because of their high strength, however, theyhave fairly low ductility and do not conform or embed well. They consequentlyrequire shafts hardened to 55-60 HRC. Surfaces must also be extremely smooth,with both shaft and bearing finished to 1520 in RMS. Careful attention should be given to lubricantcleanliness and reliability, the latter because these alloys do not have theanti-seizing properties typical of the leaded and tin bearing bronzes. On theother hand, the aluminum bronzes have excellent corrosion resistance and areideally suited for such applications as marine propellers and pump impellers.The aluminum bronzes also have superior elevated temperature strength. They arethe only bronzes - and the only conventional bearing material able to operateat temperatures exceeding 50OF
  • C95900 Aluminum bronze
  • C95400 Aluminum bronze
  • C95300 Aluminum bronze
  • C95200 Aluminum bronze
  • High Leaded Tinbronzes are ideal for bearing applications where there could be a loss of thelubrication boundary. Because there are free cutting and retain favorablethermal conductivity and lubricity due to their lead content. The lead contentin these alloys is typically between 7 percent and 30 percent. These alloysperform well in unforgiving environments where foreign matter may be present, suchas dirt and other foreign materials. High lead alloys are able to envelopeforeign matter due to their malleable nature and in doing so protect the wearsurface of mating part such as a shaft.

  • C94300 High Leaded Tin Bronze
  • C94100 High Leaded Tin Bronze
  • C94000 High Leaded Tin Bronze
  • C93900 High Leaded Tin Bronze
  • C93800 High Leaded Tin Bronze
  • C93700 High Leaded Tin Bronze
  • C93600 High Leaded Tin Bronze
  • C93500 High Leaded Tin Bronze
  • C93400 High Leaded Tin Bronze
  • LeadedTin bronzes offer good machinability and retain favorable thermal conductivityand lubricity due to their lead content. The lead content in these alloys istypically between 7 percent and 15 percent. Alloy C93200 (SAE 660 RG7) is themost common alloy in the family and is used in many bearing applications
  • C93200 Leaded Tin bronzes
  • C92800 Leaded Tin bronzes
  • C92700 Leaded Tin bronzes
  • C92300 Leaded Tin bronzes
  • C92200 Leaded Tin bronzes
  • Manganese bronzes are modifications of the Muntz metal-type alloys (60%copper 40% zinc brasses) containing small additions of manganese, iron andaluminum, plus lead for lubricity, anti-seizing and embeddibility. Like thealuminum bronzes, they combine very high strength with excellent corrosionresistance. Manganese bronze bearings can operate at high speeds under heavyloads, but require high shaft hardnesses and nonabrasive operating conditions.
  • C86500 Manganese Bronze
  • C86300 Manganese Bronze
  • C86200 Manganese Bronze
  • Nickel-aluminum bronzes used for low speed, and very high load bearingapplications,These include 5% to 11%aluminum as well as additions of iron and nickel for strength. Increasing thealuminum content results in higher strength. These alloys are used forbushings, bearings, wear plates and hydraulic valve components. Specifically,nickel improves corrosion resistance, while iron acts as a grain refiner andincreases tensile strength.
  • C63000 Nickel Aluminum bronze
  • C95800 Nickel Aluminum bronze
  • C95500 Nickel Aluminum bronze:
  • Phosphor Bronze is an alloy containingcopper, tin and phosphorous. The phosphor bronzes have superb spring qualities,high fatigue resistance, excellent formability and solderability, and highcorrosion resistance. Because of tin increases the corrosion resistance andstrength of the alloy. The phosphorous increases the wear resistance andstiffness of the alloy. They are primarily used for electrical products. Otheruses include corrosion resistant bellows, and spring washers, bushings, bearings,shafts, gears, thrust washers and valve parts. Phosphor bronze C544 is on ofthe finest bearing alloys the industry has to offer

  • C54400 Phosphor Bronze
  • C52400 Phosphor Bronze
  • C52100 Phosphor Bronze
  • C51900 Phosphor Bronze
  • C51000 Phosphor Bronze
  • Tin bronze alloys are typically found in gear, high strength bushing andbearing applications where high strength and low speeds and heavy loads arepresent. Other high strength applications for these alloys are pump impellers,piston rings, steam fittings, valve bodies. High tin bronze castings utilizedin movable bridge components, turntables for bridges and other structures forfixed and expansion bearings with slow or intermittent movement with heavyloads.

  • C91700 Tin Bronze
  • C91100 Tin Bronze
  • C90800 Tin Bronze
  • C90700 Tin Bronze
  • C90500 Tin Bronze
  • C90300 Tin Bronze
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