top of page

MANGANESE BRONZE C86500 (421)

Chemical Composition % by weight

Element
Nominal
Minimum
Maximum
Aluminum
1
.50
1.5
Copper
58
55.0
60.0
Iron
1
.40
2.0
Lead
-
-
.40
Manganese
-
.10
1.5
Nickel
-
-
1.0
Tin
.5
-
1.0
Zinc
39.5
36.0
42.0

 Mechanical Properties

Test Bar Values as Sand Cast

Property
Minimum
Typical
Tensile Strength
ksi
65.0
71.0
Yield Strength
ksi (0.5% Extension Under Load)
25.0
28.0
Elongation
% in 2 inches
20.0
30.0
Hardness
Brinell (500 kg Load)
-
100

Fabrication Practices

Suitability for Manganese Bronze being joined by:
Soldering
Fair
Brazing
Fair
Oxyacetylene Welding
Poor
Carbon Arc Welding
Poor
Gas Shielded Arc Welding
Poor
Coated Metal Arc Welding
Poor
Machinability Rating (Free Cutting Brass=100)
26
bottom of page