Bronze Brsu3n3c3s20f

Designation

Name The value
Designation GOST Cyrillic БрСу3Н3Ц3С20Ф
Designation GOST Latin BpCu3H3Ts3C20F
Transliteration BrSu3N3Ts3S20F
By chemical elements BaSb3Ni3Zn3Pb20P

Description

Bronze Brsu3n3c3s20f used: for the manufacture of anti-friction casting parts for critical applications.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 493-79

Chemical composition

Standard P Si Ni Fe Cu As Al Zn Sn Sb Pb Bi
GOST 493-79 0.15-0.3 ≤0.02 3-4 ≤0.3 Rest ≤0.1 ≤0.02 3-4 ≤0.5 3-4 18-22 ≤0.025
Cu is the basis.
According to GOST 493-79, the total content of impurities is ≤ 0.90%. Impurities, which are not regulated, are included in the total amount of impurities. At the request of the consumer, the mass fraction of antimony is allowed to be 3.40-4.50%, nickel 4.50-6.00%, phosphorus 0.25-0.40%.

Mechanical properties

σU, MPa d5, % HB, MPa
Casting as supplied. Without heat treatment
≥157 ≥2 ≥65

Description mechanical marks

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