Alloy ВД17 (1170)

Designation

Name The value
Designation GOST Cyrillic ВД17
Designation GOST Latin BD17
Transliteration VD17
By chemical elements ВД17
Name The value
Designation GOST Cyrillic 1170
Designation GOST Latin 1170
Transliteration 1170
By chemical elements 1170

Description

Alloy ВД17 used: for the manufacture of compressor blades of the engines working at temperatures up to +250 °C; for the production of profiles with cross-sectional area of 200 cm2 and a diameter of circumcircle up to 350mm suitable for use in the aviation industry and special machine building industries.

Standards

Name Code Standards
Bars and shapes В52 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, OST 1 90113-86
Sheets and strips В53 OST 1 90009-76
Non-ferrous metals, including rare, and their alloys В51 OST 1 90048-90
Processing of metals by pressure. Forgings В03 OST 1 90073-85
Bars В55 OST 1 90395-91

Chemical composition

Standard Mn Si Fe Cu Al Ti Zn Mg
OST 1 90048-90 0.45-0.7 ≤0.3 ≤0.3 2.6-3.2 Rest ≤0.1 ≤0.1 2-2.4
Al is the base.
According to GOST 4784-97 and OST 1 90048-90, the mass fraction of each other impurity (not regulated) ≤ 0.05%, the total mass fraction of other impurities ≤ 0.10%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Forgings supplied. Quenching + aging
- ≥260 ≥400 ≥10
Forgings section up to 100 mm OST 1 90073-85. Mode T1: Quenching + artificial aging (indicated by the direction of samples)
≥255 ≥390 ≥10
≥255 ≥375 ≥10
Extruded normal strength with the cross-sectional area 200 cm2 and a diameter of the circumscribed circle of up to 350 mm. (sample longitudinal cross-section shows the thickness of the shelf). Quenching + artificial aging
≥275 ≥430 ≥10

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

Physical characteristics

Temperature Е, HPa r, kg/m3 R, Mr. · m
20 72 2750 55

A description of the physical symbols

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