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Alloy KS741

Designation

Name The value
Designation GOST Cyrillic КС741
Designation GOST Latin KC741
Transliteration KS741
The chemical elements CoPb741

Description

Alloy KS741 used: for the production of ingots weighing up to 20 kg, produced from primary metals, scrap and waste of nonferrous metals and alloys intended for the manufacture of casting of pistons of engines.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 30620-98, TU 48-26-35-75

Chemical composition

Standard Mn Si Ni Fe Cu Al Mg
GOST 30620-98 0.6-1 19-22 1.1-1.7 ≤0.5 1.8-2.4 The rest 0.7-1.2
Al is the base.
According to GOST 30620-98 at the request of the consumer, it is allowed to normalize the mass fractions of calcium, sodium and lithium, the content of which is monitored according to the procedures approved in accordance with the established procedure. At the request of the consumer, the mass fraction of iron is allowed to be ≤ 0.40%. By agreement with the consumer, the mass fraction should be: titanium ≤ 0.20%, zinc ≤ 0.30%, lead ≤ 0.10%, tin ≤ 0.050%, total impurities ≤ 1.0%.

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