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Cast iron CHN15D7

Designation

Name The value
Designation GOST Cyrillic ЧН15Д7
Designation GOST Latin ChH15D7
Transliteration ChN15D7
The chemical elements ZrН15Cu7

Description

Cast iron CHN15D7 used: for the manufacture of parts with high corrosion and erosion resistance to alkalis, weak acid solutions, sulfuric acid of any concentration up to 50 °C, in sea water, in the environment of superheated water vapor (pumps, valves and other fittings of oil, chemical, petroleum and valve manufacturing; non-magnetic castings electrical industry; insertion of cylinder liners, heads, pistons, valve seats and valve guides and exhaust manifolds of internal combustion engines).

Note

Wear-resistant and low Nickel high-alloy cast iron. Cast iron has a high coefficient of thermal expansion, can be paramagnetic at low chromium content.

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
GOST 7769-82 2.2-3 ≤0.1 ≤0.3 0.5-1.6 1.5-3 2-2.7 14-16 The rest 5-8
Fe is the basis.

Mechanical characteristics

σB, MPa Brinell hardness number, MPa
Castings on OST 1 90077-72
≥150 120-297

Description mechanical marks

Name Description
σB Limit short-term strength

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