Welding consumables library, welding rod library, welding wire library moisture dehumidifier [News Introduction] As we all know, a variety of different sizes of welding rods, welding wires and other welding consumables in aviation, petroleum, chemical industry, shipbuilding, electric power, transportation, transportation, construction, machinery manufacturing and maintenance and other fields of application is very broad. Welding rod flux skin in the welding operation plays the role of re-metallurgy and protection of the molten pool to improve the weld molding. However, welding rod in the warehouse storage process, is very easy to moisture; welding rod surface of the flux skin once damp, very easy to lead to the flux skin in the titanium, iron, calcium, etc. deterioration, the loss of the original chemical properties.
Dehumidifier for welding consumables warehouse
Even if drying, which deteriorates the compound in the welding will generate water vapor, oxygen, hydrogen and other harmful substances to make the weld metal embrittlement. Changes in the nature of the flux skin on the surface of the electrode so that its physical properties are also different from before, manifested in thermal conductivity, electrical conductivity, melting point, the effect of dissolution and so on. Affect the re-view of the formation, thermal oxidation, metal cooling too fast stress concentration, quenching, welding will indirectly cause more slag, more bubbles, current is not good control, partial arc and other phenomena.
Welding rods, wires and other welding consumables warehouse storage precautions:
1. Welding rods, wires and other welding consumables storage attention to the warehouse ventilation, dry, relative humidity of the air should be controlled at 60% RH or less, yard put away from the ground and walls to maintain a distance of 30cm.
2. Separate models and specifications stored, can not be mixed.
3. Handle the process gently, do not damage the flux skin, the flux skin strength of the poorer electrodes, such as stainless steel electrodes, cladding electrodes, cast iron electrodes, pay more attention to. Welding rods should not be placed too high.
Some areas of the weather is more humid, the climate is more humid, so should be customer demand, put the desiccant, to prevent the welding rod, wire and other welding materials affected by moisture customers use. Generally, it should be used up within four days after opening, so as to avoid poor welding effect. Welding rods, wires and other welding consumables storage problem has been the existence of China's enterprises and individuals more headaches. So how do we avoid it, let me solve it for you below.
Therefore, in the summer rainy season when the weather is more humid, it is necessary to ensure that the storage of welding rod warehouse dry, humidity should be controlled at 60% RH or less!
Selection Precautions
Dehumidifier dehumidifier and model selection, mainly based on the use of environmental space volume, the size of the new air volume, the space environment required by the humidity requirements and other specific values to the scientific calculation. Another thing to note is that the relative humidity of the environment is related to the temperature of the environment, the higher the temperature, the faster the evaporation of humidity, and vice versa, the worse the effect, therefore, in the configuration of dehumidifiers, the need for selection under the guidance of professionals, so that you can choose the most suitable for your dehumidifier!
Core Tip: Welding rods, wires and other welding materials in a humid environment will appear white crystals, before the use of re-drying, can be used; if there is a core rust can be appropriate to downgrade the use of or for general components welding; if there is a serious deterioration of the electrode, the drug batch has been a serious phenomenon of shedding, this batch of electrodes should be scrapped. If the electrodes are stored in a humidity-suitable environment, they can be stored for a long time;
