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Cast iron CHH22S

Designation

Name The value
Designation GOST Cyrillic ЧХ22С
Designation GOST Latin ChX22C
Transliteration ChH22S
The chemical elements ZrCr22С

Description

Cast iron CHH22S used: for the manufacture of parts with high corrosion resistance in hot gas environments at temperatures up to 1000 °C (part, not exposed to permanent and variable loads; details of the equipment for nitric and phosphoric acids, chimney fittings).

Note

Chromium corrosion and heat-resistant high-alloy cast iron. Cast iron acid-resistant and resistant to intergranular corrosion.

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 Fe
GOST 7769-82 0.6-1 ≤0.08 ≤0.1 ≤1 19-25 3-4 The rest
Fe is the basis.
According to GOST 7769-82, nickel content is allowed up to 1.0% or copper up to 1.50%, introduced by natural alloyed iron, alloyed with steel scrap or magnesium-containing ligature.

Mechanical characteristics

σB, MPa Brinell hardness number, MPa
Castings on OST 1 90077-72
≥290 215-340

Description mechanical marks

Name Description
σB Limit short-term strength

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