Alloy AK6 (1360)

Designation

Name The value
Designation GOST Cyrillic АК6
Designation GOST Latin AK6
Transliteration AK6
By chemical elements -
Name The value
Designation GOST Cyrillic 1360
Designation GOST Latin 1360
Transliteration 1360
By chemical elements 1360

Description

Alloy AK6 is used: for the manufacture of pressed extra virgin rods; stamped and forged parts of complex shape and medium strength of the aviation industry; extruded large pipes.

Standards

Name Code Standards
Tubes of non-ferrous metals and alloys В64 GOST 18482-79, GOST 23697-79, OST 1 92048-90, OST 1 92048-76, TU 1-4-139-73, TU 1-9-459-73
Bars В55 GOST 21488-97, GOST Р 51834-2001, OST 1 90395-91, TU 1-2-307-79
Non-ferrous metals, including rare, and their alloys В51 GOST 4784-97, OST 1 90048-90, OST 1 90334-83
Bars and shapes В52 GOST 8617-81, GOST 13616-97, GOST 13617-97, GOST 13618-97, GOST 13619-97, GOST 13620-90, GOST 13621-90, GOST 13622-91, GOST 13623-90, GOST 13624-90, GOST 13737-90, GOST 13738-91, GOST 17575-90, GOST 17576-97, GOST 29296-92, GOST 29303-92, GOST Р 50066-92, GOST Р 50067-92, GOST Р 50077-92, OST 1 92093-83, TU 1-2-303-79
Processing of metals by pressure. Forgings В03 OST 1 90073-85

Chemical composition

Standard Mn Si Ni Fe Cu Al Ti Zn Mg
OST 1 90048-90 0.4-0.8 0.7-1.2 ≤0.1 ≤0.4 1.8-2.6 Rest ≤0.1 ≤0.3 0.4-0.8
GOST 4784-97 0.4-0.8 0.7-1.2 ≤0.1 ≤0.7 1.8-2.6 Rest ≤0.1 ≤0.3 0.4-0.8
Al is the base.
According to GOST 4784-97, the mass fraction of each other impurity (not regulated) ≤ 0.05%, the total mass fraction of other impurities ≤ 0.10%.
According to OST 1 90048-90 the chemical composition is given for the alloy AK6h. Mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % KCU, kJ/m2 HB, MPa
Forgings up to 300 mm punching up to 200 mm for OST 1 90073-85. Mode T1: Quenching + artificial aging (indicated by the direction of samples)
- ≥345 ≥6 - ≥95
- ≥365 ≥8 - ≥95
≥245 ≥365 ≥7 - ≥100
≥275 ≥380 ≥10 - ≥100
Profiles and pressed bars normal strength according to GOST 8617-81, GOST 21488-97 in the delivery condition (longitudinal samples)
- ≥353 ≥12 - -
Bars extruded high tensile strength in the delivery condition according to GOST 21488-97 (longitudinal samples)
8-300 ≥265 ≥375 ≥10 - -
Tubes extruded in the state of delivery according to GOST 18482-79 (samples, in cross-section shows the thickness of the wall)
≤5 - ≥285 ≥8 - -
5 - ≥315 ≥10 - -
5-40 - ≥355 ≥10 - -
Large-size extruded tubes according to OST 1 92048-76 on delivery
- ≥353 ≥10 - -
Welded straight-seam pipes supplied according to GOST 23697-79 (samples, in the cross-section of the specified diameter of pipes)
- ≥156.8 ≥6 - -
Forming in the state of delivery
≥378 ≥447 ≥12.5 ≥190 95-100

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
KCU Toughness
HB Brinell hardness number

Physical characteristics

Temperature Е, HPa r, kg/m3 R, Mr. · m
20 72 2750 41

A description of the physical symbols

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

Technological properties

Name The value
Weldability Welding is done in the environment of protective gases.
Features of heat treatment Heat-treatable alloy.