Rings, casings, trees, valve guides, nuts, pins and stems. Homogeneous structure with excellent friction resistance. Average lubrication. Speed < 5 m/s. Working load 100 Mpa.
10 CuPb10Sn10
8/11
9/11
<2
<0.3
<2
210
120
7
80
9
Stages or bearings with excellent antifriction qualities. Used under difficult maintenance conditions, including as bearings for presses and rolling mills or of friction plates. Weak lubrication. Speed < 10 m/s. Working load 25 Mpa.
12 CuSn12
11
1.5
1
300
170
11
100
8.8
Alloy for any use, with good allied mechanical characteristics and a good wear resistance and corrosion. Good impact resistance. Average lubrication. Speed < 6m/s. Working load 60 mpa..
15 CuPb15Sn8
7/9
13/17
<2
<2.5
200
100
5
70
9.1
Stages and bearings with excellent friction properties even under imperfect lubrication conditions. Bearings for rotating shafts at high speed under relatively low diametric loads. Can handle frequent starts and stops. Weak lubrication. Speed < 14 m/s. Working load 10 mpa.
20 CuPb20Sn5
4/6
18/23
<2
<2.5
150
60
5
60
9.1
Stages and bearings with excellent friction properties even under imperfect lubrication conditions. Bearings for rotating shafts at high speed under relatively low diametric loads. Can handle frequent starts and stops. Weak lubrication. Speed < 14 m/s. Working load 10 mpa.