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Babbit B-83, ingot

Babbit B-83, ingot
In stock
from 2 904 rub./kg with VAT /
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Recommendation
Vendor code: 100008
Characteristics
Brand B-83
GOST 1320-74
Form Ingot
Size 400х200х40 mm
Weight 15 - 16 kg
Melting point 370°C
Manufacturer NOK
from 2 904 rub./kg with VAT /
In stock
Order a product
Description
Documentation

Babbitt is an antifrictional tin-based casting alloy with the addition of copper, lead, antimony and other alloying components.

The density of tin babbit is 7380 kg / m³. It has a low hardness value of 27-30 units on the Brinell scale. At the same time, in comparison with other antifriction alloys, babbit B83 has the highest plasticity.

The tin content in Babbit B83 makes it immune to weak acids and alkalis. Babbitt does not oxidize in air and is resistant to the effects of the aquatic environment.

The application of B83 is bearings operating at high speeds and medium loads. Turbine bearings, crosshead, crank and frame bearings of low-speed diesel engines, thrust bearings of propeller shafts.

It is produced in the form of ingots weighing 15-16 kg, packed in a package weighing up to 1 ton, tied with four steel bands.

By agreement with the consumer, it is allowed to manufacture babbitt in ingots of other shapes and sizes.

Chemical composition

Brand Main chemical element Impurities, not more
Tin Sn, % Antimony Sb, % Copper Cu, % Cadmium Cd, % Iron Fe, % Arsenic As, % Zinc Zn, % Plumbum Pb, % Bismuth Bi, % Aluminum Al, %
B83 Balance 10,0 - 12,0 5,5 - 6,5 - 0,1 0,05 0,004 0,35 0,05 0,005

Properties and applications

Brand Temperature, 0C Application area
Beginning of melting Melting point Pouring temperature
B83 240 370 440-460 Bearings operating at high speeds and medium loads, turbine bearings, crosshead, crank and frame bearings of low-speed diesel engines, thrust bearings of propeller shafts.

Physical and mechanical properties of tin and lead babbits

Brand Density BHN HB 5/62, 5/60, HB 2, 5/15, 6/60 at 200C Compression yield point, kgf/mm Compressing strength, kgf/mm Melting onset temperature, 0C Melting Point, 0C Pouring temperature, 0C
B83 7,38 27-30 8-8,5 11-12 240 370 440-460

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