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Alloy АЛ4М

Designation

Name The value
Designation GOST Cyrillic АЛ4М
Designation GOST Latin AL4M
Transliteration AL4M
The chemical elements -

Description

Alloy АЛ4М used: for the manufacture of shaped castings.

Note

Sealed alloy.

Standards

Name Code Standards
Thermal and thermochemical treatment of metals В04 OST 1 90088-80

Chemical composition

Standard Mn Si Fe Cu Al B Ti Zr Mg -
≤0.1 8.5-10.5 ≤0.25 1.3-2.5 84.75-89.79 0.01-0.1 0.1-0.3 ≤0.3 0.3-0.6 0.6
Chemical composition is not verified by NTD. Total verified brands for chemical compounds: 2907 of 3316.

Mechanical characteristics

σB, MPa d5, % Brinell hardness number, MPa
Castings on OST 1 90077-72
300-350 2-3 ≥90

Description mechanical marks

Name Description
σB Limit short-term strength
d5 Elongation after rupture

Physical characteristics

Temperature r, кг/м3 R, НОм · м
20 2720 509

A description of the physical symbols

Name Description
l Coefficient of thermal conductivity
R UD. the resistivity

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