hard to imagine the construction site, which is not carried out welding work.This technology allows with a minimum investment and a short time to get a quality permanent connection.It is in demand, if necessary, mounting and dismantling of various steel structures, pipelines and performing other types of work, such as the repair of vehicles.In each case, the technology is developed, which determines the order of formation of the welded joint, the list of equipment and materials, as well as qualified workers.
human factor in this case is important.I agree that there is a difference as compounds formed welders 6 and 4 bits.In the latter case, even while passing visual inspection can reveal defects that are visible to the naked eye.That is why the welding work must be carried out by qualified personnel who have been trained, and therefore have the necessary skills.In this approach, all steps are complete control, and a long time to form the connection will withstand the load applied thereto.
worth noting that the welding can be of various kinds.The most widely used, of course, electricity and gas, but you can also resort to ultrasound, laser and cold.In the latter method, welding conducted at a temperature below the recrystallization.In this case, the connection is formed by metal deformation that occurs under mechanical pressure.An example is the spot welding.To do it, you must have special equipment - the so-called "mites".
Also welding work can be performed in different planes and be of different types.The compound, for example, can be butt, spot and seam.For each case you need to select the best option.If welding is carried out across the plane of contact, then it is a butt joint, in some places - a point.The latter option is often used in the preparatory stage of construction.It ensures proper alignment of connected elements.Thereafter, a continuous weld is formed, consisting of overlapping or non-overlapping separate points.In the case of the first performance turns out strong and tight connection.
If we talk about how much the cost of welding work, a definite answer can not give one.To form the metal structures of the same alloys can use various electrodes, which are similar in their chemical composition, but will differ in value.The price of one kilogram of such materials are often evidence of their capacity.Using products only proven and well-known brands, you can perform welding works of any complexity.However, if they are to attract qualified staff.