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Cast Iron S-NiCr20-3

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-NiCr20-3
Designation GOST Latin S-NiCr20-3
Transliteration S-NiCr20-3
The chemical elements S-NiCr20-3

Description

Cast iron S-NiCr20−3 is used: for the manufacture of casting parts for pumps, valves, compressors, bushings, liners, turbochargers, exhaust piping.

Note

Nickel cast iron. Properties similar to Marche S-NiCr20−2, but more heat resistant and has better resistance to erosion.

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 2.5-3.5 1.5-3 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
210-260 390-490 7-15 150-225

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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