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Cast Iron L-NiSiCr20-5-3

Designation

Name The value
Designation GOST Cyrillic L-NiSiCr20-5-3
Designation GOST Latin L-NiSiCr20-5-3
Transliteration L-NiSiCr20-5-3
The chemical elements L-NiSiCr20-5-3

Description

Cast iron L-NiSiCr20−5-3 is used: for the manufacture of casting pump parts; castings of valves used in industrial furnaces.

Note

Nickel cast iron. Cast iron L-NiSiCr20−5-3 has good corrosion resistance, even in conditions of dilute sulfuric acid. Cast iron L-NiSiCr20−5-3 are more heat resistant than cast iron grades L-NiCr20−2 and mark L-NiCr20−3.

Standards

Name Code Standards
Castings with special properties (cast iron and steel) В83 GOST 7769-82

Chemical composition

Standard C Mn Cr Si Ni Fe Cu
GOST 7769-82 ≤2.5 0.5-1.5 1.5-4.5 4.5-5.5 18-22 The rest ≤0.5
Fe is the basis.

Mechanical characteristics

σB, MPa d4 Brinell hardness number, MPa
Castings on OST 1 90077-72
190-280 2-3 140-250

Description mechanical marks

Name Description
σB Limit short-term strength
d4 Elongation after rupture

Physical characteristics

Temperature Е, ГПа
20 110

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
a The coefficient of linear expansion

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