VT3-1 circle, rod
|Mark||Analogue||W. Nr.||Aisi Uns||En||Order|
|ВТ3-1||Delivery from the stock, in stock|
Titanium alloys klassificeret configuration of crystal lattices: α-lattice in the form hexahedron), β respectively, α+β mixed state. Titanium alloy VT3−1 belongs to the alpha+beta alloy contains the following alloying elements.
Aluminium is the main alloying element in titanium alloys, it is present in almost all brands of Titan. It is easily accessible and relatively cheap, and its density less than the density of titanium, so the specific strength of the alloy in the amount of increases. It hardens the alloy without loss of ductility. With increasing aluminum content increases the heat resistance and the modulus of elasticity and reduced tendency to hydrogen embrittlement. Molybdenum increases corrosion and chemical resistance, heat resistance, suppresses the formation of α-phase during hardening. When a large enough quantity of β-stabilizers in the formation of α-phase is suppressed without α-stabilizers and neutral reinforcers.
|W 3−1||Wall thickness||Heat treatment||Strength (MPa)||Plasticity of δ%||KCU j/cm3|
|Rod||10 — 60||Annealing||1000 — 1200||More than 10%||More than 30|
|-«-||10 — 60||Hardening-aging||More than 1,200||More than 6%||More than 30|
|-«-||65 — 100||Annealing||1000 — 1200||More than 10%||More than 30|
|-«-||101−130||Annealing||950 — 1200||More than 8%||More than 30|
|Bars forged||101−250||Annealing||950 — 1200||More than 8%||More than 30|
|Rod||101−250||Isothermal annealing||1080 — 1130||12 — 15||---|
|-«-||101−250||Hardening-aging||1270||8 — 11||---|
|-«-||до25 mm||Annealing||980 — 1230||More than 10%||More than 30|
|-«-||14x14 mm||Annealing||1053 — 2027||14 — 16,54||47,3 — 62,0|
|-«-||14x14 mm||Isothermal annealing||1020 — 1160||14 — 20||30 — 40|
|-«-||5 — 10||Isothermal annealing||1050||14||45|
|-«-||25||Isothermal annealing||1030 — 1176||15||34|
|-«-||30||Isothermal annealing||1058 — 1176||12 — 15||34 — 44|
|-«-||50||Isothermal annealing||980 — 1030||14 — 18||41 — 51|
|-«-||25||Annealing 850 °C — aging||1274||10||30|
|-«-||25||Annealing 870 °C — aging||1323 — 1373||7||20 — 30|
|Rod forged||35||Annealing 879 °C — 650°C||1093||18,5||42|
|Extruded under isothermal conditions||17||Annealing 870 °C — 650°C||1152||16,8||42|
|Rod extruded||15||Annealing 870°C||1075 — 1175||12 — 13||---|
|Rod extruded||15||Quenching 870 °C to + 500 °C 5 hours.||1270 — 1282||8 — 11||---|
|Rod extruded||15||Vtmo 500 °C for 5 h.||1390 — 1460||6 — 9||---|
|Bars rolled||15||Isothermal annealing||1166||16,5||---|
|Bars rolled||15||Double annealing||1205||14,8||---|
|Bars with the original coarse-grained lamellar structure||15||Annealing 870 °C, 1 h and 650 °C, 2 h.||1058||8,0||---|
|Bars with the original coarse-grained lamellar structure||15||Annealing 950 °C, 1 h and 650 °C, 2 h.||1009||15||---|
On the surface of the wire, round, rod should not be dark spots, places reproterol. The color should be clean and bright, with no shades of tint. The waviness associated with annealing, is not considered a marriage.
VT3−1 wire, round, rod differ corrosion and chemical resistance, high heat resistance, a low coefficient of thermal expansion, lightness and flexibility. Fatigue resistance depends significantly on the external environment. Vacuum titanium alloys have a higher endurance than in air. A great influence on the cyclic endurance of titanium semi-finished products having the condition and quality of the surface. Under the surface quality meant its roughness, macro — or micro-roughness, under the condition of the surface — structure, physico-mechanical properties of the surface layers, depending on the mode of mechanical treatment. The least influence on the endurance limit has a gentle end machining with the removal of a thin shaving to 0.1 mm with a subsequent manual polishing of the copper skin to 8−9 classes of roughness. The worst fatigue was observed after abrasive grinding and cutting accelerated.
The high labour intensity of production, high cost are the main drawbacks. It is important to note that the strength properties of alpha+beta titanium alloys less when tested in tension, than when tested in compression.
VT3−1 wire, rod, circle is used for the production of the most critical parts that can withstand the extreme conditions in shipbuilding, aircraft and rocket construction. In the chemical, petrochemical or oil and gas industry are crucial to corrosion resistance and acid resistance of the alloy, and in the food industry, agriculture, medicine and biological inertness.
Entire rental certified. In the technical documentation included data on chemical composition, limiting the percentage of impurities; mechanical qualities of the products. We can buy in bulk any semi-finished products for large-scale production. We also offer optimal conditions for retail customers. A high level of service and speed of service are the face of our company.
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