Bronze Brmc5

Designation

Name The value
Designation GOST Cyrillic БрМц5
Designation GOST Latin BpMts5
Transliteration BrMts5
By chemical elements BaMn5

Description

Bronze Brmc5 used: for the manufacture of corrosion-resistant parts and products with high mechanical properties, operating at elevated temperatures.

Note

According to GOST 28873−90 bronze Brmc5 should be removed from the production 01.01.1992 G.
Corrosion resistant manganese bronze Brmc5 has high mechanical properties, good deformability in hot and cold conditions, increased resistance.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 18175-78, GOST 28873-90

Chemical composition

Standard P Mn Si Fe Cu Zn Sn Pb
GOST 18175-78 ≤0.01 4.5-5.5 ≤0.1 ≤0.35 Rest ≤0.4 ≤0.1 ≤0.03
Cu is the basis.
According to GOST 18175-78, the total mass fraction of normalized impurities is ≤ 0.90%. The mass fraction of nickel is allowed up to 0.50% without taking it into account in the total amount of impurities.

Mechanical properties

Section, mm σU, MPa d5, % HB, MPa
Rolled steel in delivery condition (longitudinal samples)
300-360 35-45 70-90
500-600 5-6 -

Description mechanical marks

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

Physical characteristics

Temperature Е, HPa r, kg/m3 R, Mr. · m
20 105 8600 200

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
R UD. the resistivity