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In domestic alloys, the letters of the marking correspond to the name of the organization that developed the material. VT1−0 was developed by VIAM. Or the marking reflects the category of alloy. For example, RT is an experienced titanium. The purest titanium with the minimum amount of impurities is obtained by an iodide or electrolytic method.
The chemical composition of impurities VT1−0 is given in thousandths of a percent
The basis for the production of titanium alloys is a titanium sponge. It is a gray porous substance, sufficiently viscous with a bulk density of less than 2.0 g / cm 3 .
Aluminum is also important for titanium alloys, like carbon for steel. Aluminum is very light, it increases the specific strength and modulus of elasticity of the alloy, but at the same time reduces the ductility, the tendency to hydrogen embrittlement and thermal stability. It increases heat resistance, sensitivity to salt corrosion. Upon contact with salt solutions at t ° 300−500 ° C, titanium should be selected with a minimum percentage of aluminum. To increase corrosion resistance, ruthenium, platinum or palladium is added to the alloy.
The alpha alloy VT1−0 is saturated with α-stabilizers (aluminum, gallium, indium) and non-metals (N, O, C). They increase the temperature of the polymorphic transformation. Up to 882.5 ° C, Ti retains the α-structure, and above this temperature it acquires a β-structure up to the melting point. In addition to α-alloys, there are also pseudo-alloys (OT4 groups that are doped with molybdenum), α + β alloys (VT6 groups are doped with V), alloys of the transition type (groups, BT22, BT30), β-alloy (4201) Β-alloys (ВТ32, ВТ-3).
|The temperature at which these characteristics were obtained t ° C||20 ° С|
|Coefficient of linear thermal expansion α [1 / degree]||8.2 x 10 -6|
|Density [g / cm 3 ]||4.45|
|Modulus of elasticity of the first kind, E [MPa] x10 -5||1.12|
|Specific heat at 20 ° C С [kJ / (kg · deg)]||0.54|
|Thermal conductivity K [W / (m · K)]||307.3|
|Coefficient of thermal conductivity), l [W / (m · deg)]||18.85|
Brand VT1−0 is a titanium of technical purity — a light, heat-resistant metal of gray hue with a melting point of 1668 ° C. It is characterized by a minimum coefficient of thermal expansion, low density (4.5 g / cm 3), plasticity allowing to stamp details of any shape. Surface oxide film gives titanium corrosion and chemical resistance equal to noble metals. In sea water, its corrosion rate does not exceed 0.002 mm / year.
High labor intensity of production. Hot titanium reacts actively with atmospheric gases. Therefore, it melts only in inert gases or in a vacuum, VT1−0 is difficult to cut hard, its strength (400−500 MPa), is not considered high enough. For comparison, the strength of VT20 is more than 1000 MPa.
Production of heat-resistant corrosion-resistant pipes, chemical equipment, light and durable parts of aircraft, missile ships. The minimum coefficient of thermal expansion allows builders to use titanium in combination with stone, glass, concrete. VT1−0 has good electrical conductivity and nonmagnetism, therefore it is relevant in electrical engineering and radio electronics. Due to harmlessness to the human body, titanium is used in medicine — dentistry, traumatology.
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On our site we offer a wide range of products from titanium. The high quality of VT1−0 products and the absence of intermediaries determine the most favorable conditions for the purchase of VT1−0 semi-finished products for solving current production tasks. Delivery in the shortest time in any region of the country and abroad, the compliance of products of regulatory documentation has long won the trust of regular customers. Due to the reasonable cost and a wide range of semi-finished products, titanium alloys enjoy constant popularity in all areas of production.