Alloy VT6S
Designation
Name |
The value |
Designation GOST Cyrillic |
ВТ6С |
Designation GOST Latin |
BT6C |
Transliteration |
VT6S |
The chemical elements |
ВTe6Pb |
Description
Alloy VT6S is used: for the manufacture of semi-finished products (sheets, strips, foils, strips, plates, bars, rods, profiles, tubes, forgings and forged blanks) by the strain, and bars; cylinders operating under pressure.
Standards
Name |
Code |
Standards |
Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 19807-91, OST 1 90000-70, OST 1 90013-81 |
Sheets and stripes |
В53 |
GOST 22178-76, OST 1 90218-76, OST 1 90024-94, TU 1-5-419-82, TU 1-5-424-77, TU 1-92-40-76 |
Bars |
В55 |
GOST 26492-85, OST 1 90266-86, OST 1 90173-75, OST 1 90107-73, OST 1 90006-86, TU 1-9-672-78 |
Pipes from non-ferrous metals and alloys |
В64 |
TU 1-5-421-78 |
Chemical composition
Standard |
C |
Si |
Fe |
N |
Al |
V |
Ti |
O |
Zr |
H |
GOST 19807-91 |
≤0.1 |
≤0.15 |
≤0.25 |
≤0.04 |
5.3-6.5 |
3.5-4.5 |
The rest |
≤0.15 |
≤0.3 |
≤0.015 |
OST 1 90013-81 |
≤0.1 |
≤0.1 |
≤0.25 |
≤0.05 |
5.3-6.5 |
3.5-4.5 |
The rest |
≤0.15 |
≤0.3 |
≤0.015 |
Ti is the basis.
According to GOST 19807-91 and OST 1 90013-81 the total content of other impurities is ≤ 0.30%. The mass fraction of hydrogen is indicated for ingots. The mass fraction of chromium and manganese should not exceed 0.15% (in total). The mass fraction of copper and nickel should not be more than 0.10% (in total), including nickel not more than 0.08%.
Mechanical characteristics
Section, mm |
σB, MPa |
d5, % |
d |
y, % |
kJ/m2, кДж/м2 |
Brinell hardness number, MPa |
Rolled sheet after annealing (samples across the direction of rolling) |
1-6 |
834-981 |
≥12 |
- |
- |
- |
- |
6-10.5 |
834-981 |
≥10 |
- |
- |
- |
- |
Rolled sheet. Quenching + artificial aging (samples across the direction of rolling) |
1-10.5 |
≥1030 |
≥8 |
- |
- |
- |
- |
Plate on OST 1 90024-94 in the delivery condition. Samples heat-treated (transverse) |
11-30 |
1030-1180 |
- |
≥5 |
≥12 |
≥343 |
- |
11-25 |
835-1030 |
- |
≥7 |
≥16 |
≥392 |
- |
25-60 |
835-1030 |
- |
≥7 |
≥16 |
≥392 |
- |
60-100 |
835-1030 |
- |
≥7 |
≥16 |
≥392 |
- |
Forgings weighing up to 200 kg after annealing |
101-250 |
755-981 |
≥6 |
- |
≥20 |
≥392 |
241-321 |
100 |
834-981 |
≥10 |
- |
≥30 |
≥392 |
241-321 |
Bars hot rolled quenched and aged normal-quality according to GOST 26492-85 (longitudinal samples) |
10-12 |
≥1030 |
≥4 |
- |
≥14 |
- |
- |
12-100 |
≥1030 |
≥4 |
- |
≥14 |
≥245 |
- |
Bars hot rolled quenched and aged high-quality according to GOST 26492-85 (longitudinal samples) |
10-12 |
≥1030 |
≥6 |
- |
≥20 |
- |
- |
12-100 |
≥1030 |
≥6 |
- |
≥20 |
≥294 |
- |
Bars hot rolled autogenie ordinary quality GOST 26492-85 (longitudinal samples) |
10-12 |
≥835 |
≥9 |
- |
≥22 |
- |
- |
100-150 |
≥755 |
≥6 |
- |
≥15 |
≥245 |
- |
12-100 |
≥835 |
≥9 |
- |
≥22 |
≥294 |
- |
Bars hot rolled autogenie high-quality according to GOST 26492-85 (longitudinal samples) |
10-12 |
835-980 |
≥10 |
- |
≥30 |
- |
- |
100-150 |
755-980 |
≥7 |
- |
≥22 |
≥392 |
- |
12-60 |
835-980 |
≥10 |
- |
≥30 |
≥392 |
- |
60-100 |
835-980 |
≥10 |
- |
≥25 |
≥392 |
- |
Forged square bars and round after annealing |
140-250 |
755-981 |
≥6 |
- |
≥20 |
≥392 |
241-321 |
|
834-981 |
≥8 |
- |
≥25 |
≥392 |
241-321 |
Description mechanical marks
Name |
Description |
Section |
Section |
σB |
Limit short-term strength |
d5 |
Elongation after rupture |
d |
Elongation after rupture |
y |
The relative narrowing |
kJ/m2 |
Toughness |
Technological properties
Name |
The value |
Weldability |
without restrictions |