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Rulon Bearings
Tombasil, UNS C87800, Copper Casting Alloy
Categories: Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy

Material Notes:

Casting methods recommended for this alloy: die.

Applications: Bearings, gears, impellers, rocker arms, valve stems, brush holders, bearing races, small boat propellers.

Classified under: Silicon bronzes and silicon brasses. ASTM B584; formerly ASTM B198-13B

Typical data for separately cast test bars. Alloy does not respond to heat treating. Casting shrinkage allowance is 1.9%

Key Words: Silicon Brass, ASTM B176; ASTM ZS144A
Vendors:
Available Properties
  • Density
  • Hardness, Brinell, Sand cast
  • Hardness, Brinell, Die cast
  • Hardness, Rockwell B
  • Tensile Strength, Ultimate, Sand cast
  • Tensile Strength, Ultimate, Die cast
  • Tensile Strength, Yield, Sand cast
  • Tensile Strength, Yield, Die cast
  • Elongation at Break, Sand cast, in 50 mm
  • Elongation at Break, Die cast, in 50 mm
  • Creep Strength, for 0.00001%/h
  • Creep Strength, for 0.00001%/h
  • Creep Strength, for 0.00001%/h
  • Rupture Strength
  • Rupture Strength
  • Modulus of Elasticity, Sand cast
  • Modulus of Elasticity, Die cast
  • Compressive Strength, at permanent set of 0.1%
  • Compressive Strength, at permanent set of 10%
  • Fatigue Strength, rotating beam
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Machinability, UNS C36000 (free-cutting brass) = 100%
  • Charpy Impact, V-notch
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Electrical Resistivity
  • Magnetic Permeability
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • Specific Heat Capacity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Melting Point
  • Solidus
  • Liquidus
  • Shrinkage, Patternmaker's Shrinkage
  • Annealing Temperature, Stress-Relieving Temperature
  • Casting Temperature
  • Aluminum, Al
  • Copper, Cu
  • Iron, Fe
  • Lead, Pb
  • Magnesium, Mg
  • Manganese, Mn
  • Other, total
  • Silicon, Si
  • Tin, Sn
  • Zinc, Zn
  
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