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Aluminum Bronze


Material characteristics

Corrosion resistance, anti-fouling, high-strength.

Applications

Housings, pump and valve bodies, impellers, bushings, low-duty gears, trunnions, brackets, bearing blocks, especially where corrosion resistance is an advantage.

Cua18
SPEE3D as heat treated microstructure

Composition
Element Percentage
Si <0.1%
O <0.05%
P <0.01%
Bi <0.01%
Zn <0.02%
Pb <0.01%
Fe <0.05%
Mg <0.1%
Al 7 – 8%
Cu Bal
Material properties
CAST (reference) SPEE3D PRINTED WROUGHT (reference)
C85400 Brass spec1 Aluminium Bronze as heat treated2 CW305G spec3
Yield Strength (MPa)4 76 XY = 165 (min)
Z = 165 (min)
180
Ultimate Tensile Strength (MPa)4 207 XY = 350 (min)
Z = 300 (min)
420
Elongation at break (%)4 20 XY = 16 (min)
Z = 9 (min)
20
Hardness Brinell (HB)5 45 95 100
Corrosion rate (mmpy)6 N/A 0.048 N/A

1.From ASTM standard B271.

2.Samples were heat treated according to SPEE3D’s standard operating procedure.

3.From standard EN 12165:1998.

4.Specimens tested according to ASTM E8.

5.Specimens tested according to ASTM E10.

6.Specimens tested according to ASTM G59-97 (tested in 3.5% NaCl solution).

Listed designations are for reference purposes only. Composition and mechanical properties may vary. End-use material performance is impacted (+/-) by certain factors including but not limited to part geometry and design, application and evaluation conditions.