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FAQ

What is the current of 2,6 electrode?

No (2.6 mm diameter) of the electrode specification.The most similar model is the electrode diameter 2.5 mm.The current range of welding is usually 50A~80A.Welding position is different, welding current is different.

Why should the welding electrode prevent moisture? What happens if you get soaked by water?

Because if there is no moisture prevention, there will be welding impurities, welding seam, welding defects are not strong, and may affect the strength of base metal

What kind of welding rod does Q345 steel use?

Weldability of Q345 steelQ345 low alloy high strength structural steel with carbon content of 0.18% ~ 0.20%, tensile strength equal to 470-630MPa. Q345 steel alloy content is less, good weldability, welding generally without preheating.But because the Q345 steel hardened tendency is slightly larger than the low carbon steel, so at low temperatures (such as winter outdoor operations) or welding in high rigidity, large thickness of the structure, in order to prevent the cold crack, need to take measures to preheat. The preheating temperature of 16Mn steel at different plate thickness and different environmental temperature is shown in table 8.Q345 steel welding should be used in E50 type electrode, such as E5015, E5016 for alkaline electrode, the structure is not important, also can choose E5003, E5001 acid electrode. For the weldment with small thickness and narrow groove, E4315 and E4316 welding electrodes can be used.Table 8 preheating temperature of welded Q345 steelThickness of weldment (mm) preheating thermometer at different temperatures (DEG C)More than 16 of not less than of-10 DEG C - C without preheating preheated to 100 to 150 DEG C16 ~ 24 of not less than 5 DEG C 5 DEG C without preheating preheated to 100 to 150 DEG C25~40, not less than 0 degrees Celsius, not preheated, 0 degrees below 100~150 preheating temperatureMore than 40 are preheated 100~150 degreesSubmerged arc welding of Q345 steel H08MnA welding wire with flux HJ431 (open I butt welding wire with flux HJ431) or H10Mn2 (plate groove butt), when the deep groove weld of thick plate welding, welding wire with flux HJ431 H08MnMoA should be used.Q345 steel is the most widely used low alloy steel in our country at present,

What's the difference between 422 and 506? What are their respective attributes?

506 electrodes and 422 electrodes, in addition to the strength level, the former is 50 kilograms, and the latter is 42 kg class,506 electrode for low hydrogen alkaline skin, although it can be AC and DC dual-use, but the best use of DC welding machine422 electrodes for calcium titanium acid skin, AC and DC can be

Commonly known as "white steel electrode" what does it mean?

The legendary stainless steel electrode

How do you make holes in the steel plate with the welding rod?

1, the following general 10MM board directly to the plate electrode for an empty blow through, must further expand air through the air, need more air electrode with air to air around the suitable size, but the steel bottom board should be suspended, is conducive to the burning capacity of molten iron flow, general space only with electrode blowing, too small to empty is not blowing to using electric drill.2, the electrode (coveredelectrode), is the metal coating in the welding core (coating), uniform centripetal pressure applied to core. The core metal cored electrode, in order to ensure the quality and performance of the weld, there are strict rules on the contents of metal elements in the core, especially for harmful impurities (such as sulfur, phosphorus content, etc.) should be strictly restricted, better than the base metal. The electrode consists of two cores and coating composition. The different cores are also different. The core components directly affect the composition and properties of the weld metal, so the harmful elements in the welding core to as little as possible.

What is the difference between tin strip and electrode?

Tin is made of tin and has a low melting point. It is commonly used for the connection of small items such as circuit connections of integrated circuits. The principle is that the crystal is melted by heating.The outer electrode is a mixture of phosphorus and other combustible material, the middle is iron, high melting point, used to connect large metal objects, the work is a glare, hurt the eyes, the working principle is the crystal of heat melting and high pressure arc discharge.The electrode (covered electrode) welding or welding filler metal in melting joint welding of the workpiece. Consists of two parts covering and core wire. Depending on the melting of the crust and filling the metal into the weld, it becomes the main component of the weld metal, which is called a welding rod.Tin is a kind of product in solder, tin can be divided into a tin lead and lead-free solder two, are used for welding circuit board. Pure tin manufacturing, wettability, good fluidity, easy to Shangxi. Bright spot, full, no weld and other undesirable phenomena. Add adequate antioxidant elements, strong antioxidant capacity. Pure tin manufacturing, tin slag less, reducing unnecessary waste.

What type of welding rod is used for welding 16MnD?

16MnD read as low as sixteen mn. Belong to sixteen Mn low temperature steel.Can useBrand: J507FeNi (model: E5018-G) basic electrode welding.The electrode belongs to a low hydrogen and sodium alloy structure steel powder welding rod. DC reverse connection. All position welding.It has good low temperature impact toughness. Used for welding of medium carbon steel and low temperature steel pressure vessel. Such as:16MnD, 16MnDR, etc..