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Cast iron CHN20D2SH

ChKh22S cast iron Cast iron CHN5G6D4SH ChS13 cast iron ChS15 cast iron ChS15M4 cast iron ChS17 cast iron ChS17M3 cast iron ChC16 cast iron ChC16M2 cast iron Cast iron CHX22 Cast iron CHN4X2 Cast iron CHX28 Cast iron CHX28D2 ChKh28P cast iron Cast iron CHX32 Cr9H5 cast iron ChU22Sh cast iron ChU30 cast iron ChU6C5 cast iron ChU7X2 cast iron Cast iron IChX28H2 Cast iron 250X25NT Cast iron 250X25T Cast iron 300X12ML Cast iron 300X32H2M2TL 320X20H cast iron Cast iron 340Cr18NiML Cast iron ICH300Cr18G3 Cast iron ICHX12M Cast iron IChX23FL Cast iron CHN20D2SH Cast iron CHG6S3SH ChG7X4 cast iron ChG8D3 cast iron Cast iron CHN11G7SH Cast iron CHN15D3Sh Cast iron CHN15D7 ChN17D3X2 cast iron (ZhCh-1) Cast iron CHN19Kh3SH

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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