Alloy Name:
JC 903
General Alloy Description:
A bearing tin bronze containing copper, tin, and zinc, exhibiting good castability, good corrosion resistance, moderate to low strength and fair machinability.
Covered by Specifications:
UNS C90300, ASTM B271, B584, MIL-C-15345-8, SAE 620, Navy G
Similar to:
Nominal Chemistry:
Element
Cu
Sn
Zn
Percent
88.0
8.0
4.0
Mechanical Properties :
Tensile (ksi):
Yield (ksi)
%Elongation
Reduction of area:
Hardness:
40ksi
18ksi
20%
–
80 BHN
Typical Applications:
Typical applications include gear, water valve and pump components, pipe fittings, piston and shaft sleeves, and couplings.
The information offered on this page is intended only to stimulate discussions on potential alloys . We can neither vouch for the accuracy nor the completeness of the information contained here-in, nor can we comment on the suitability of this particular alloy for any specific design purpose.