Alloy AM5 (АЛ19)

Designation

Name The value
Designation GOST Cyrillic АМ5
Designation GOST Latin AM5
Transliteration AM5
By chemical elements -
Name The value
Designation GOST Cyrillic АЛ19
Designation GOST Latin AL19
Transliteration AL19
By chemical elements -

Description

The AM5 alloy used: for the manufacture of ingots; circular ingots intended for remelting and manufacture of high-strength and heat resisting shaped castings with different casting methods (sand casting, investment casting, gravity die casting).

Note

Aluminum foundry of high-strength heat-resistant alloy of the system Al-Cu-Mn.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 1583-93, OST 1 90377-87, TU 1-83-28-75
Castings, non-ferrous metals and alloys В84 OST 1 80029-83, OST 1 90180-75

Chemical composition

Standard Mn Si Ni Fe Cu Al Ti Zn Zr Mg
GOST 1583-93 0.6-1 ≤0.3 ≤0.1 ≤0.2 4.5-5.3 Rest 0.15-0.35 ≤0.2 ≤0.2 ≤0.05
OST 1 90377-87 0.6-0.8 ≤0.1 ≤0.05 ≤0.1 4.5-5.3 Rest 0.25-0.35 ≤0.1 ≤0.1 ≤0.03
Al is the base.
According to GOST 1583-93 is given for the alloy AM5 (AL19). The iron content is indicated for casting in sand molds and for investment models. The iron content during molding in the mold is ≤ 0.30%. The amount of allowable impurities should be for casting in sand molds, for melted models, casting in chill molds ≤ 0.90%.
According to OST 1 90377-87 the chemical composition is given for the alloy grade AL19P. The amount of allowable impurities should not be more than 0.50%. As agreed with the consumer, the content of titanium in the AL19P alloy is within the range of 0.20-0.35%. For the production of the alloy should be used aluminum grade A99.

Mechanical properties

Section, mm σU, MPa d HB, MPa
Casting (in land, investment casting, gravity die casting). Mode T4: two-stage heating: 525-535 °C (aging 5-9 h) + 542-548 °C (aging 5-9 hours), quenching in water
≥294 ≥8 ≥70
Casting (in land, investment casting, gravity die casting). Mode T5: two-stage heating: 525-535 °C (aging 5-9 h) + 542-548 °C (aging 5-9 hours), quenching in water + incomplete artificial aging at 170-180 °C (exposure 3-6 h)
≥333 ≥4 ≥90
Casting into the ground. Mode T7: two-stage heating: 525-535 °C (aging 5-9 h), 542-550 °C (aging 5-9 hours), quenching in water with a temperature of 80-100 °C+ stabilizing vacation at 240-260 °C (extract 3-10 h)
≥314 ≥2 ≥80

Description mechanical marks

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

Physical characteristics

Temperature Е, HPa r, kg/m3 R, Mr. · m
20 70 2780 595

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
С Specific heat