Alloy VT6S

Designation

Name The value
Designation GOST Cyrillic ВТ6С
Designation GOST Latin BT6C
Transliteration VT6S
By 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, and their alloys В51 GOST 19807-91, OST 1 90000-70, OST 1 90013-81
Sheets and strips 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
Tubes of 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 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 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 properties

Section, mm σU, MPa d5, % d y, % KCU, kJ/m2 HB, 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
σU Limit short-term strength
d5 Elongation after rupture
d Elongation after rupture
y The relative narrowing
KCU Toughness
HB Brinell hardness number

Technological properties

Name The value
Weldability without restrictions