UNS C49355 Copper Zinc Bismuth Alloy Rod and Bar – Mechanical Properties

Nov 21 2012

UNS C49355 copper zinc bismuth alloy has a copper content of not less than 63%.

The following table shows the mechanical properties of UNS C49355 fittings as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
M10 - 443 MPa (64 ksi) 250 MPa (36 ksi) 17% 84 - - -
M30 - 480 MPa (69 ksi) - 10% 85 - - -
  - 460 MPa (66 ksi) 262 MPa (38 ksi) 15% 85 - - -
O20 - 425 MPa (62 ksi) - 20% 82 - - -
O60 10 mm (0.39 in) 450 MPa (65 ksi) - 17% 82 - - -
  30 mm (1.18 in) 445 MPa (65 ksi)   17% 82 - - -

The chemical composition of UNS C49355 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 63-69
Zinc, Zn 27.0-35.0
Tin, Sn 1.5-2
Silicon, Si 1 - 2
Bismuth, Bi 0.50-1.5
Lead, Pb 0.09
Fe 0.1
Mn 0.1
Boron, B 0.001



 

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