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Cast Iron L1

Designation

Name The value
Designation GOST Cyrillic Л1
Designation GOST Latin L1
Transliteration L1
The chemical elements Be1

Description

Cast iron L1 is used: for further melting in iron shops in the production of iron castings.

Standards

Name Code Standards
Cast iron В11 GOST 4832-95

Chemical composition

Standard C S P Mn Cr Si Fe
GOST 4832-95 3.4-4.5 0.01-0.04 0.01-1.2 ≤1.5 ≤0.1 3.2-3.6 The rest
Fe is the basis.
According to GOST 4832-95, cast iron is divided into four groups according to manganese content: I group ≤0.30%, II group 0.30-0.90%, III group 0.50-0.90%, IV group 0.90- 1.50%; by the content of phosphorus is divided into 5 classes: class A ≤0,080%, class B ≤0,12%, class B≤0,30%, class G 0,30-0,70%, class D 0,70-1,20 %; by content of sulfur is divided into 4 categories: 1 category ≤0,020%, 2 category ≤0,030%, 3 category ≤0,040%. With a mass fraction of chromium of not more than 0.050%, foundry iron is used for the production of castings of cast iron with nodular graphite, with a mass fraction of chromium of not more than 0.040% - for castings of malleable cast iron and with a mass fraction of chromium of not more than 0.10% for castings from gray cast iron. In cast iron smelted from copper-bearing ores, the mass fraction of copper is additionally determined and is indicated in the quality document. Cast iron may be produced with a mass fraction of silicon of more than 3.60%.

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