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Cast iron CHN20D2SH

Designation

Name The value
Designation GOST Cyrillic ЧН20Д2Ш
Designation GOST Latin ChH20D2Sh
Transliteration ChN20D2Sh
The chemical elements ZrН20Cu2

Description

Cast iron CHN20D2SH used: for the manufacture of parts with high mechanical properties at operation temperatures up to -100 °C (the pumps and other items of oil and petrochemical industry, the details of the fuel valves).

Note

Nickel heat-resistant, cold-resistant and low high alloy cast iron. Cast iron has high toughness of at least 3.0 Daj/cm2 for samples with a sharp notch (Charpy) and can be plastically deformed in the cold state.

Standards

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

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Al
GOST 7769-82 1.8-2.5 ≤0.01 ≤0.03 1.5-2 0.5-1 3-3.5 19-21 The rest 1.5-2 ≤0.3
Fe is the basis.

Mechanical characteristics

σB, MPa d Brinell hardness number, MPa
Castings on OST 1 90077-72
≥500 ≥25 120-220

Description mechanical marks

Name Description
σB Limit short-term strength
d Elongation after rupture

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