Alloy Name:
JC 05
General Alloy Description:
A copper base alloy containing lead, zinc, and nickel exhibiting excellent lubricity and corrosion resistance.
Covered by Specifications:
JB 05
Similar to:
ASTM B271, B584 Grades C973, C976, C978, and specific turbine customer specifications
Nominal Chemistry:
Element
Cu
Sn
Pb
Zn
Ni
Percent
66.0
2.0
6.0
14.0
12.0
Mechanical Properties :
Tensile (ksi):
Yield (ksi)
Elongation
Reduction of area:
Hardness:
34,000psi
17,500psi
30.0%
–
50@500kg
Typical Applications:
Packing and labyrinth seal rings for steam and natural gas power turbines.
Application Profile:
Nickel Silver, C973 & C976, ASTM B271 & B584
Application:
Labyrinth seal rings and bearings for industrial and power turbine
Why centrifugals?
Tight dimensional tolerance laby seals require the uniformity, low residual stress, and defect-free structure of a centrifugal.
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.