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Titanium VT1-2

Designation

Name The value
Designation GOST Cyrillic ВТ1-2
Designation GOST Latin BT1-2
Transliteration VT1-2
The chemical elements ВTe1-2

Description

Titanium VT1−2 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, as well as ingots used in the aircraft industry for production of various parts; stamping parts billet heating up to 300−400 °C.

Note

Parts subjected to in-process and final annealing regime: annealing at a temperature of 550−600 °C for 10−15 minutes exposure to 1 mm thickness, and air cooling.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 19807-91, TU 1-83-39-79, TU 1-83-40-79
Bars В55 GOST 26492-85, OST 1 90266-86

Chemical composition

Standard C Si Fe N Ti O H
GOST 19807-91 ≤0.1 ≤0.15 ≤1.5 ≤0.15 The rest ≤0.3 ≤0.01
Ti is the basis.
According to GOST 19807-91, 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, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Bars hot rolled autogenie ordinary quality GOST 26492-85 (longitudinal samples)
65-100 590-930 ≥8 ≥17 ≥245 -
Bars hot rolled autogenie for OST 1 90266-86 (samples of the longitudinal location of cutting of the samples is 1/2R)
≥110 590-930 ≥8 ≥17 ≥245 179-255
65-100 590-930 ≥10 ≥25 ≥245 179-255

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

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