Are you interested in the history, physical and mechanical properties of babbitt? The supplier Evek GmbH offers to buy babbitt at an affordable price in a wide range of products. We provide delivery of products to any point on the continent. The price is optimal.

Technical characteristics

Babbitts are antifriction alloys based on tin or lead with the addition of various alloying elements. They are widely used for casting friction bearings, which operate with grease at high loads and speeds. The main operational quality of babbitts is their good run-in, low pouring temperature and low friction coefficients.

Chemical composition of tin and lead babbitts, GOST 1320 -?

Brand	Fe	Ni	Al	Cu	As	Pb	Zn	Sb	Bi	Sn	Cd
Б88	≤0.05	0.15 - 0.25	≤0.005	2.5 - 3.5	≤0.05	≤0.1	≤0.0050	7.3 - 7.8	≤0.05	86.99 - 89.25	0.8 - 1.2
Б83	≤0.1	-	≤0.005	5.5 - 6.5	≤0.05	≤0.35	≤0.004	10 - 12	≤0.05	80.941 - 84.5	-
B83C	≤0.1	≤0.005	5 - 6	≤0.1	1 - 1.5	≤0.01	9 - 11	≤0.05	81.235 - 85
Б16	≤0.1	≤0.01	1.5 - 2	≤0.3	63.34 - 68.5	≤0.15	15 - 17	≤0.1	15 - 17
BN	≤0.1	0.1 - 0.5	≤0.05	1.5 - 2	0.5 - 0.9	69.63 - 75.8	≤0.02	13 - 15	≤0.1	9 - 11	0.1 - 0
BS6	≤0.1	≤0.005	0.1 - 0.3	≤0.05	86.415 - 88.9	≤0.01	5.5 - 6.5	≤0.07	5.5 - 6.5	≤0.05

Chemical composition of calcium babbitts, GOST 1209-90

Grade	Al	Cu	Pb	Ca	Mg	Zn	Sb	Bi	Na	Sn	Impurities
BKA	0.05 - 0.2		96.3 - 97.1	0.95 - 1.15	≤0.2	0.4 - 0.6	≤0.25	≤0.1	0.7 - 0.9		≤0.3
BC2S	0.02	0.15	95.14 - 97.12	0.65 - 0.9	0.03 - 0.09		0.2	0.2	0.7 - 0.9	1.5 - 2.1	≤0.3

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Mechanical properties of tin and lead babbitts

Mark babbit	Density, g/cm3	Brinell hardness, NV	Compressive yield strength, MPa	Compressive strength, MPa	Melting initiation t°, °C	Melting point, °C	Melting point, °C Filling point, °C
Б88	7.35	27-30	-	-	-	320	380-420
Б83	7.38	27-30	80-85	110-120	240	370	440-460
B83C	7,4	27-30	-	-	230	400	440-460
BN	9.55	27-29	7-7.4	12.5-13	240	400	480-500
Б16	9.29	30	8.6	14,7	240	410	480-500
BS6	10.05	15-17			247	280

Using

Bearings for diesel engines and high-speed turbines, marine and stationary steam engines. Support bearings of propeller shafts, turbo pumps, compressors,.

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Are you interested in the history of babbitt, physical and mechanical properties? The supplier Evek GmbH offers to buy babbitt at the manufacturer's price. We provide delivery of products to any point on the continent. The price is optimal. We invite to partner cooperation.