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Cast Iron S-NiMn23-4

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-NiMn23-4
Designation GOST Latin S-NiMn23-4
Transliteration S-NiMn23-4
The chemical elements S-NiMn23-4

Description

Cast iron S-NiMn23−4 is used: for the manufacture of casting parts refrigeration equipment operating at temperatures to minus 196 °C.

Note

Nickel cast iron. Cast iron S-NiMn23−4 has a very high thermal expansion coefficient, good performance of dynamic impact down to minus 196 °C-Cast iron S-NiMn23−4 magnetic properties has not.

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 ≤2.6 ≤0.08 1-4.5 ≤0.2 1.5-2.5 22-24 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
210-240 440-470 25-45 150-180

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
20 120-140

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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