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Bronze БрА7Н4Ж2Л

Designation

Name The value
Designation GOST Cyrillic БрА7Н4Ж2Л
Designation GOST Latin BpA7H4Zh2L
Transliteration BrA7N4G2L
The chemical elements BaAl7Ni4Fe2

Description

Bronze БрА7Н4Ж2Л used: for the production of castings for critical heavily loaded parts of shipbuilding, marine engineering and instrumentation.

Standards

Name Code Standards
Castings from non-ferrous metals and alloys В84 OST 5Р.9209-82

Chemical composition

Standard S P Mn Si Ni Fe Cu Al V Ti Zn Sn Sb Pb
OST 5Р.9209-82 ≤0.01 ≤0.03 0.3-1 0.05-0.25 3-4 0.2-2 The rest 6.5-7.5 0.01-0.1 0.01-0.1 ≤1 ≤0.2 ≤0.002 ≤0.05
Cu is the basis.
According to OST 5P.9209-82, the total content of impurities is ≤ 1.20%. Impurities, which are not regulated, are included in the total amount of impurities.

Mechanical characteristics

sT|s0,2, MPa σB, MPa d5, % kJ/m2, кДж/м2
Casting as supplied. Without heat treatment
≥176.2 ≥392 ≥20 ≥392

Description mechanical marks

Name Description
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
kJ/m2 Toughness

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