Alloy ВТ4

Designation

Name The value
Designation GOST Cyrillic ВТ4
Designation GOST Latin BT4
Transliteration VT4
By chemical elements ВTe4

Description

Alloy ВТ4 used: for the production of parts for various purposes, operating at temperatures up to 400 °C.

Note

Alloy with high corrosion resistance.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 OST 1 90000-70
Bars В55 OST 1 90107-73
Sheets and strips В53 TU 14-1-3444-82

Mechanical properties

Section, mm σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Forgings weighing up to 200 kg after annealing
101-250 785-1030 ≥8 ≥18 ≥294 241-321
100 834-1030 ≥10 ≥30 ≥343 241-321
Forged square bars and round after annealing
140-250 785-1030 ≥8.5 ≥20 ≥294 241-321
804-1030 ≥9 ≥25 ≥294 241-321

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
KCU Toughness
HB Brinell hardness number