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Cast Iron S-NiSiCr20-5-2

S-Ni35 cast iron Cast iron CHN Cast iron CHN5G8 (GN8-5) S-NiSiCr30-5-5 cast iron S-NiSiCr20-5-2 cast iron S-NiMn23-4 cast iron S-NiMn13-7 cast iron S-NiCr35-3 cast iron S-NiCr30-3 cast iron S-NiCr30-1 cast iron S-NiCr20-3 cast iron S-NiCr20-2 cast iron S-Ni22 cast iron L-NiSiCr30-5-5 cast iron L-NiSiCr20-5-3 cast iron L-NiMn13-7 cast iron L-NiCuCr15-6-3 cast iron L-NiCuCr15-6-2 cast iron L-NiCr30-3 cast iron L-NiCr20-3 cast iron L-NiCr20-2 cast iron L-Ni35 cast iron

Designation

Name The value
Designation GOST Cyrillic S-NiSiCr20-5-2
Designation GOST Latin S-NiSiCr20-5-2
Transliteration S-NiSiCr20-5-2
The chemical elements S-NiSiCr20-5-2

Description

Cast iron S-NiSiCr20−5-2 is used: for the manufacture of casting parts of valves, pumps, castings used in industrial furnaces that are subject to high mechanical stress.

Note

Nickel cast iron. Has good corrosion resistance even in diluted sulphuric acid, good heat resistance.

Standards

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

Chemical composition

Standard C P Mn Cr Si Ni Fe Cu
GOST 7769-82 ≤3 ≤0.08 0.5-1.5 1-2.5 4.5-5.5 18-22 The rest ≤0.5
Fe is the basis.

Mechanical characteristics

sT|s0,2, MPa σB, MPa d4 Brinell hardness number, MPa
Castings on OST 1 90077-72
210-260 370-430 10-18 180-230

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d4 Elongation after rupture

Physical characteristics

Temperature Е, ГПа
20 112-133

A description of the physical symbols

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

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