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Alexander

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characteristic

Titanium alloys are divided into alpha or β-alloys in the form of a crystal lattice: α-lattice — has the form of a hexahedron, and β-lattice — a cubic form. The titanium brand VT3−1 has a mixed α + β lattice. Contains the following alloying elements: 6.3% Al, 1.5% Cu, 2.5% Mo, 0.3% Si, 0.5% Fe. Aluminum is also important for titanium alloys as carbon for steel. Almost all titanium grades contain aluminum. It is cheap, easily accessible, a small specific weight allows in total to increase the specific strength and modulus of elasticity of the alloy. Aluminum reduces the tendency to hydrogen embrittlement and thermostability of the alloy, simultaneously increases the heat resistance and sensitivity to salt corrosion. Additions of molybdenum contribute to an increase in chemical resistance, heat resistance, suppress the formation of the α-phase during quenching.

VT 3−1 Treatment Section, mm Strength (MPa) KCU J / cm³ Plasticity δ%
Bar Annealing 15 — 60 1000 — 1200 > 30 > 10%
— «- Annealing 70−100 1000 — 1200 > 30 > 10%
— «-
101−130 950 — 1200 > 30 > 8%
Forged bars

Annealing

Isothermal annealing

Hardening-aging

101−250 950 — 1200 > 30 > 8%
Bar
1080−1130 --- 12 — 15
— «-
1270 --- 8 — 11
— «- Annealing Up to 25 mm 980 — 1230 > 30 > 10%
— «-
14 x 14 1055−2025 47.3 — 62.0 14 — 16.54
— «- Isothermal annealing 14 x 14 1020−1160 30 — 40 14 — 20
— «-
5 — 10 1050 45 14
— «-
25 1035−1175 34 15
— «-
thirty 1060−1175 34 — 44 12 — 15
— «-
50 980 — 1030 41 — 51 14 — 18
 — «-

Hardening 850 ° C — aging

Tempering 870 ° C — aging

25 1274 thirty 10

1325 — 1370 20 — 30 7th
Forged bars Annealing 879 ° C — 650 ° C 35 1093 42 18.5
Pressed under isothermal conditions Annealing 870 ° C to 650 ° C 17th 1152 42 16.8
Pressed bar

Hardening 870 ° С

Hardening 870 ° C + 500 ° C 5 hours.

VTMO 500 ° C for 5 hours.

15 1075−1175 --- 12 — 13

1270 — 1282 --- 8 — 11

1390 — 1460 --- 6 — 9
Rolled bars

Isothermal annealing

Double annealing

Hardening-aging

15 1166 --- 16.5

1205 --- 14.8

1352 --- 8.0

Bars with initial

Coarse-grained plate structure

Annealing 870 ° C, 1 hour and 650 ° C, 2 hours. 15 1058 --- 8.0

1009 --- 15

The quality of wire, circle and rod of grade VT22 is normalized to GOST 27265−87. The surface of a circle, wire, rod of mark VT1−0 must be clean without oil stains, breaks, burrs, pure and light color, without hints of tarnish. The undulation that may occur during annealing is not considered to be a marriage.

Dignity

Sections of VT3−1 grade are distinguished by considerable chemical resistance, heat resistance, minimum coefficient of thermal expansion, ductility and low perforation. Weight. High fatigue strength depends on the external environment. In a vacuum, titanium exhibits higher endurance than in the air atmosphere. The lower the surface roughness, which depends on the machining, the higher the stability of the material. Increases the strength by manual polishing with a copper skin up to the 9th grade of roughness.

BUY AT THE OPTIMAL PRICE

The acceptable cost of VT22 semi-finished products, a wide range of sizes and a wide variety of products will allow any buyer to choose the product that will most fully satisfy all his individual needs. High quality of manufacturing and full conformity of production to requirements of the state standard documentation and technical conditions for delivery — that basic criterion which our company adheres in work with clients. The exact conformity of the product’s performance with the declared quality, reasonable prices and convenient delivery method is an additional advantage in working with us.