Cast Iron S-NiCr20-2

Designation

Name The value
Designation GOST Cyrillic S-NiCr20-2
Designation GOST Latin S-NiCr20-2
Transliteration S-NiCr20-2
By chemical elements S-NiCr20-2

Description

Cast iron S-NiCr20−2 is used: for the manufacture of casting parts for pumps, valves, compressors, bushings, liners, turbochargers, exhaust piping.

Note

Nickel cast iron. In composition, the corrosion resistance and heat resistance similar to Marche L-NiCr20−2.

Standards

Name Code Standards
Castings with special properties (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 1.5-3 18-22 Rest ≤0.5
Fe is the basis.

Mechanical properties

sT|s0,2, MPa σU, MPa d4 HB, MPa
Castings on OST 1 90077-72
210-250 370-470 7-20 140-200

Description mechanical marks

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

Physical characteristics

Temperature Е, HPa
20 112-130

A description of the physical symbols

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