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Cast iron CHH28P

Designation

Name The value
Designation GOST Cyrillic ЧХ28П
Designation GOST Latin ChX28P
Transliteration ChH28P
The chemical elements ZrCr28P

Description

Cast iron CHH28P used: for the manufacture of parts with high durability (after oxidative annealing) in a zinc melt at a temperature up to 600 °C (related parts of the friction pairs, working in a zinc melt units continuous hot-dip galvanizing).

Note

Chromium high alloy 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
GOST 7769-82 1.8-3 ≤0.08 0.8-1.5 ≤1 25-30 1.5-2.5 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
≥200 245-390

Description mechanical marks

Name Description
σB Limit short-term strength

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