Bronze ВБр3

Designation

Name The value
Designation GOST Cyrillic ВБр3
Designation GOST Latin BBp3
Transliteration VBr3
By chemical elements ВBa3

Description

Bronze ВБр3 used: for the manufacture of castings in-the-blanks parts of critical purpose and details of special and marine engineering methods of centrifugal casting, chill casting fixed and pulling from a melt.

Note

Aluminum-Nickel bronze.

Standards

Name Code Standards
Castings, non-ferrous metals and alloys В84 OST 1 90072-72

Chemical composition

Standard S P Mn Cr Si Ni Fe Cu As Al Ti Sb Pb Bi
OST 1 90072-72 ≤0.01 ≤0.002 0.4-1 0.8-1.3 0.6-1 16-18 1.2-1.6 Rest ≤0.01 3-3.5 0.5-1 ≤0.005 ≤0.002 ≤0.002
Cu is the basis.
In accordance with OST 1 90072-72, the total content of all impurities should not exceed 0.031%.

Mechanical properties

Section, mm σU, MPa d5, % HB, MPa
Billet-casting as supplied by OST 1 90072-72. Without heat treatment
≥687 ≥1.5 ≥260
≥638 ≥0.8 ≥260
Образец 1/2R ≥687 ≥1.5 ≥260

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
HB Brinell hardness number