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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.

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