Titanium welding wire VT6sv produce in degassed and etching condition. Its roundness must not exceed tolerances. Its surface must be clean and bright, with no shades of tint, neprotravov or dark spots. Traces broaches, small risks, sunsets deeper than shown in the table.
|alloy Brand:||Classification:||Industrial use:|
|VT6sv||Titanium wrought alloys||production of welding wire|
The percentage of alloy VT-6sv 27 according to GOST 265−87
|≤0.1||≤0.05||≤0.15||2.5 — 3.5||3.5 — 4.5||≤0.04||≤0.12||91.36 — 93.7||≤0.003||other 0.3|
Note: The basis of the alloy 5 is titanium, the content of about 91.36 — 93.7%.
Mechanical properties of titanium wire VT6sv (20 ° C).
|Welding wire, GOST 27 265−87||12||665−865|
Physical characteristics VT6sv alloy.
|W / (m · deg)||1 / Grad||MPa||hail||kg / m3||Ohm m||J / (kg · °)|
|l||a 10 6||100||540|
|18.85||E 10- 5||T||r||R September 10||C|
Marking the physical properties:
|— Temperature data acquisition of the alloy [Castle]||— T|
|— Modulus of elasticity of the 1st kind, [MPa]||— E|
|— Coefficient of linear thermal expansion (at 20 ° C) [1 / deg]||-a|
|— The electrical resistance [ohm · m]||-R|
|— Specific weight [g / cm3]||-r|
|— Thermal conductivity [W / (m · deg)]||-l|
|— Specific heat capacity (at 20 ° C) [J / (kg · deg)]||-C|
Marking the mechanical properties:
|— The limit of proportionality (the yield strength for the residual strain) [MPa]||sT|
|— Short-term strength [MPa]||sre|
|— Reduction [%]||y|
|— Elongation at break [%]||d5|
|— Brinell hardness in [MPa]||HB|
|— Impact strength [kJ / m2]||KCU|
|limited weldability||— Needs to preheating t ° 100−120 ° C with a final heat treatment|
|no limits||— No need for preliminary heating and final heat treatment|
|difficult to weld||— Needs to preheating t ° 200−300 ° C with a final heat treatment|
Roundness titanium wire should not exceed tolerances.
|The diameter of the wire VT6 St.||The wire VT6 mark St depth of the defect must be no more than|
Note. On the possibility of a separate surface defects with a diameter of the wire up to 3 mm — 0.1 mm. When Ø> 3 mm — 0.2 mm. During metallographic control Macrosection amount in excess of the depth of defects shall not exceed 10%. Correct defects or surface contaminants by etching the etching is allowed to separate bays with repeated degassing.
Presented wire brand BT-6 St certified. The technical documentation included data on its chemical composition, limiting the percentage of impurities; mechanical properties. We can buy in bulk, any semi-finished products for large-scale productions. We also offer optimal conditions for retail customers. High level of service and efficiency of service are the face of our company.
Wire comes bays with outer diameter up to 900 mm. This wire must not be stuck together turns or bends of more than 100 °. Curl the wire after annealing, is not considered marriage. Coil weight — 50 kg. If the bay is made up of individual parts, the length of each of them must be more than 10 m.
Bay tightly ligated soft titanium wire in 3 places and wrapped in plain paper, and then synthetic cloth or plastic film, thickness 0,1−0,2 mm — 10 according to GOST 354−82 without paper packaging. On top of this bay ligated string of regulatory documents, respectively.
The mechanical characteristics of wire must conform to the requirements specified in the table.
|Material||GOST||σ in||ψ||δ 5|
|Wire: BT-6 St.||27 265−87||635−835||15−20||20|
σ in — Tensile strength [MPa]
δ 5, — Elongation at break [%]
ip — Reduction [%]
The label indicates the bay:
— Brand wire;
— The manufacturer and its trademark:
— № smelting and parties;
— date of manufacture;
— Designation of GOST.
— The availability of those. control;
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