Page 11 - Plastics News March 2021
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Our forged
AMPCOLOY 944/940
Beryllium free copper
alloys having superior
mechanical & physical Materials are forged & extruded to get best physical properties
properties than casted Stock availability : No limitation on supply dimensions
Available round bar sizes : Ø9.5mm -Ø370mm
Available plate thickness : 10 mm-310 mm thick
Copper titanium alloys Increase productivity by min. 20%
50 % more thermal conductivity than Copper Titanium
Cycle time & Mould life is better than Copper Titanium
Excellent wear & corrosion resistance, Good Machinability
Units AMPCOLOY® 940 AMPCOLOY® 944 Copper Titanium Alloy
Nominal Values Nominal Values
Tensile strength Rm MPa 689 938 800-1100
Yield strength Rp 0.5 MPa 517 725 750-1000
Elongation A5 % 13 5 3
Brinell hardness HBW 10/3000 210 294 270-320
Rockwell hardness HRB 95 106 103-107
Modulus of elasticity GPa 131 135 127
Density ρ g / cm³ 8.71 8.7 8.7
Coe cient of expansion α 10 / K 17.5 17.5 18.1
-6
Thermal conductivity λ W / m · K 208 156 100
Electrical conductivity % I.A.C.S. 48 30 17
11 March 2021 Plastics News
