Bronze Áðõ1öð

Designation

Name The value
Designation GOST Cyrillic БрХ1Цр
Designation GOST Latin BpX1Tsp
Transliteration BrH1Tsr
By chemical elements BaCr1Znр

Description

Bronze Áðõ1öð used: for the manufacture of ingots; — long products and flat-rolled metal; round bars with a diameter of 10−80 mm and rectangular bars with a thickness of from 12.7 to 35.0 mm, designed for the manufacture of electrodes and other parts for welding machines.

Note

Low alloy bronze copper-chromium-zirconium.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, TU 1846-00195430-98-99, TU 48-21-5065-84
Tape В54 TU 48-0810-192-90
Bars В55 TU 48-21-5050-82
Sheets and strips В53 TU 48-21-5066-82

Chemical composition

Standard Cr Ni Cu As Zn Sn Pb Bi Zr
TU 48-21-5050-82 0.4-1 ≤0.03 Rest ≤0.01 ≤0.01 ≤0.01 ≤0.005 ≤0.002 0.03-0.08
Cu is the basis.
According to TU 48-21-5050-82, the chemical composition is given for the alloy (bronze) of the brand BrKh1Cr. The total content of impurities should not be more than 0.10%. The content of impurities in the alloy is not regulated provided that the required electrical conductivity and hardness are maintained.

Mechanical properties

Section, mm HRB
Bars, drawn and extruded in the delivered state on the other 48-21-5050-82
≤40 ≥72
40-50 ≥70
50 ≥61

Description mechanical marks

Name Description
HRB Rockwell hardness (indenter steel, spherical)

Technological properties

Name The value
Conductivity Conductivity rods of alloy grade Áðõ1öð with a diameter of 15 mm should be not less than 46 m/Ω·mm2. For bars with diameter over 15 mm the relative conductivity of copper marks M1 must be at least 80%.