Cast iron CHH3

Designation

Name The value
Designation GOST Cyrillic ЧХ3
Designation GOST Latin ChX3
Transliteration ChH3
By chemical elements ZrCr3

Description

Cast iron CHH3 used: for parts with high corrosion resistance to the gas, air and alkaline media in terms of friction and wear and heat-resistant in air up to 700 °C (the details of heat treatment furnaces, pots, grates, parts steklomassy, facing the quenching plates of cars).

Note

Chromium heat-resistant and wear-resistant alloyed cast iron.

Standards

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

Chemical composition

Standard C S P Mn Cr Si Fe
GOST 7769-82 3-3.8 ≤0.12 ≤0.3 ≤1 2.01-3 2.8-3.8 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 properties

σU, MPa HB, MPa
Castings on OST 1 90077-72
≥150 228-364

Description mechanical marks

Name Description
σU Limit short-term strength
HB Brinell hardness number