Alloy MA19

Designation

Name The value
Designation GOST Cyrillic МА19
Designation GOST Latin MA19
Transliteration MA19
By chemical elements CuAl19

Description

Alloy MA19 is used: for the manufacture of semi-finished products (sheets, plates, bars, rods, profiles, strips, tubes, wire, stampings and forgings) by hot deformation, as well as ingots and slabs intended for the production of parts of welded structures requiring high tensile strength and maximum working temperature up to +150 °C — long, up to +200 °C — short-term.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 14957-76

Chemical composition

Standard Mn Si Ni Fe Cu Al Zn Zr Nd Mg Be Cd
GOST 14957-76 ≤0.1 ≤0.05 ≤0.005 ≤0.05 ≤0.05 ≤0.05 5.5-7 0.5-0.9 1.4-2 Rest ≤0.002 0.2-1
Mg is the basis.
According to GOST 14957-76 the mass fraction of other impurities is ≤ 0.30%. "Other impurities" include impurities whose permissible content limits are not indicated (≤), as well as impurities not included in the table, the content of which is not determined. Beryllium is not determined, but is introduced by calculation.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % HB, MPa
Rolled steel in the delivery state
330-360 380-400 5-8 ≥80

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
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 42 1880 61

A description of the physical symbols

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