Babbit B88
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Б88 |
| Designation GOST Latin |
B88 |
| Transliteration |
B88 |
| The chemical elements |
Be88 |
Description
Babbit B88 is used: for the manufacture of ingots used to fill the bearings and other parts; bearings operating at high speeds and high dynamic loads; bearings for high-speed and medium speed diesel engines; lower halves of bearings low speed crosshead diesel engines operating at temperatures up to +70 °C.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 1320-74 |
Chemical composition
| Standard |
Ni |
Fe |
Cu |
As |
Al |
Zn |
Sn |
Sb |
Pb |
Bi |
Cd |
| GOST 1320-74 (ИСО 4383-91 |
0.15-0.25 |
≤0.05 |
2.5-3.5 |
≤0.05 |
≤0.005 |
≤0.005 |
The rest |
7.3-7.8 |
≤0.1 |
≤0.05 |
0.8-1.2 |
Sn is the basis.
At the request of the consumer, the replacement of cadmium and nickel components with tin and an increase in lead impurity to 0.35% is allowed in the B88 babbit.
Physical characteristics
| Temperature |
r, кг/м3 |
| 20 |
7350 |
A description of the physical symbols
| Name |
Description |
| r |
Density |
