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Cast iron CHH22

Designation

Name The value
Designation GOST Cyrillic ЧХ22
Designation GOST Latin ChX22
Transliteration ChH22
The chemical elements ZrCr22

Description

Cast iron CHH22 used: for the manufacture of parts with high resistance against abrasive wear and galling in the conditions of milling equipment, screens and slezov, sintering machines and sand — blasting chambers and at elevated temperatures (wear-resistant parts of hydraulic machines, which pump abrasive mixture; lining palarivattom, grinding details of coal — and ore-grinding mills, bucket bashmetov, sklesi, heat, highly resistant to blast the blades of the impellers, inserts for reinforcement bars of the secondary cooling zone of continuous casting plants steel mills lining).

Note

Chromium wear-resistant alloyed cast iron.

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 V Ti
GOST 7769-82 2.4-3.6 ≤0.08 ≤0.1 1.5-2.5 19-25 0.2-1 The rest 0.15-0.35 0.15-0.35
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
≥290 330-610

Description mechanical marks

Name Description
σB Limit short-term strength

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