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Alloy an-2,5

Designation

Name The value
Designation GOST Cyrillic АН-2,5
Designation GOST Latin AH-2,5
Transliteration AN-25
The chemical elements -

Description

An alloy of 2.5 is used: for casting of inlays, and receipt by the rolling of monometallic and bimetallic strip followed by the stamping of the inserts with the thickness of the antifriction layer is less than 0.5 mm.

Note

The recommended modes of operation:
— load ≤ 19,5 Mn/m2 (200 kg/cm2);
— sliding speed ≤ 15 m/s;
— temperature ≤ 100 °C;
— recommended shaft hardness ≥ 250 HB.
On an antifriction layer of articles coated with a soft metal or a polymer antifriction coating thickness of from 0.003 to 0.03 mm. permitted by agreement with the consumer in technically justified cases to cover the product with a soft metal or polymer coating.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 14113-78

Chemical composition

Standard Si Ni Fe Cu Al
GOST 14113-78 ≤0.4 2.7-3.3 ≤0.5 ≤0.3 The rest
Al is the base.
According to GOST 14113-78, the content of other impurities, individually, should be ≤ 0.050%, and the total content of other impurities should be ≤ 0.10%.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % Brinell hardness number, MPa
Casting in a metal mold in the state of delivery
43-65 115-140 16-24 27.5-33.5 32-40

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
y The relative narrowing

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