Alloy Comparison Table
These are nominal values as these tables are used for comparative purposes. If specific figures are required, please go to the product page and download the technical data sheets for exact specs.
D
kg/dm3
Rm
Mpa
Rp 0,5
Mpa
A5
%
HBW
W/m.°K
Coefficient of friction
AMPCO® M4
Patented alloy with properties equivalent to berillium copper with lesser cost and without the health hazards of berillium-copper
D kg/dm3
7.45
Rm Mpa
1000
Rp 0,5 Mpa
793
A5 %
8
HBW
286
W/m.°K
42
Coefficient of friction
0.23
AMPCO® 18
High strength and hardness combined with wear and fatigue resistance
D kg/dm3
7.45
Rm Mpa
724
Rp 0,5 Mpa
365
A5 %
14
HBW
192
W/m.°K
63
Coefficient of friction
0.18
D
kg/dm3
Rm
Mpa
Rp 0,5
Mpa
A5
%
HBW
W/m.°K
IACS
AMPCOLOY® 972
Precipitation hardening copper-base alloy retains the mechanical properties together with a good ductility in the range of 300-500°C
D kg/dm3
8.9
Rm Mpa
520
Rp 0,5 Mpa
466
A5 %
20
HBW
152
W/m.°K
320
IACS
82%
AMPCOLOY® 944
High Conductivity Beryllium Free Copper Alloy
D kg/dm3
8.7
Rm Mpa
938
Rp 0,5 Mpa
730
A5 %
5
HBW
294
W/m.°K
156
IACS
48%
AMPCOLOY® 940
Patented alloy to meet demands of RWMA class 3 alloys without Beryllium
D kg/dm3
8.71
Rm Mpa
689
Rp 0,5 Mpa
517
A5 %
13
HBW
210
W/m.°K
208
IACS
30%
AMPCOLOY® 83
High Conductivity high hardness Beryllium Copper Alloys
D kg/dm3
8.26
Rm Mpa
1310
Rp 0,5 Mpa
1000
A5 %
4
HBW
380
W/m.°K
106
IACS
20%