Designation
Name |
The value |
Designation GOST Cyrillic |
S-NiSiCr30-5-5 |
Designation GOST Latin |
S-NiSiCr30-5-5 |
Transliteration |
S-NiSiCr30-5-5 |
By chemical elements |
S-NiSiCr30-5-5 |
Description
Cast iron S-NiSiCr30−5-5 is used: for the manufacture of casting parts for pumps, valves, industrial furnaces subject to high mechanical stress.
Note
Nickel cast iron. It possesses properties similar to the properties of the brand L-NiSiCr-30−5-5. Has a high creep resistance, adding 1% by weight of molybdenum.
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 |
≤2.6 |
≤0.08 |
0.5-1.5 |
4.5-5.5 |
5-6 |
28-32 |
Rest |
≤0.5 |
Fe is the basis.
Mechanical properties
sT|s0,2, MPa |
σU, MPa |
d4 |
HB, MPa |
Castings on OST 1 90077-72 |
240-310 |
390-490 |
1-4 |
170-250 |
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
A description of the physical symbols
Name |
Description |
r |
Density |
l |
Coefficient of thermal conductivity |
a |
The coefficient of linear expansion |