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FAQ

What are the functions of E506 structural steel welding rod, which material is suitable for processing?
You say E506 structural steel welding rod, the correct welding rod brand should be written in E5016 or J506, the former model, and the latter is the brand.E5016 welding rod is a kind of alkali and direct current welding electrode. It is mainly used for basic welding rod which is not used by DC welding machine and welding with AC welder. The material used is the same as J507, and is used for 16Mn (Q345) grade steel.When welding the electrode, the process performance is worse than that of the acid welding rod, that is, spatter is bigger and weld formation is poor. But the metallurgical properties are better, that is, the anti - parathion of welding rod is harmful, and the welding seam has strong anti - crack ability, so it is used in welding of important welding seam. However, this kind of electrode tends to be larger than the direct current alkaline electrode (E5015 or J507), so it is seldom used in welding seams (e.g. pressure vessels) that require inspection.
How to calculate the amount of electrode used in pipe welding?
The number of welds can be multiplied by the amount of each opening. The dosage of the cut can be calculated by the quota method or the volume method. Generally, a ton of steel has an average number of electrodes.Carbon steel, stainless steel or alloy steel products are joined together with other products by welding electrodes when they are in production or construction. The seam of the welding rod between the product and the product is called the welding seam. Also called weld seam.
What welding rod are used for welding of 304 stainless steel pipes?
Welding rod, A102If welding wire, H08Cr21Ni10Si
Drawings require E43 electrodes, the market says 422 of the electrode, the package is written on the CFE422! Q235B seamless steel pipe should be welded. Can you tell me what kind of electrode should be used then?
E43 welding rod is the national standard GB/T5117-1995, it is the type of representation, 422 should be J422, is the brand of the method of expression.E43 electrode E4303, he is J422 welding rod. If it's E4315, he's the J427 electrode. To weld Q235B seamless steel tube, using E4315, that is, J427 is better. His impact toughness at low temperatures is higher than that of J422. But it needs DC welding machine welding, if the requirement is not high, J422 can also meet the Q235B seamless steel pipe welding, power supply is widely used, AC and DC 2 use.
Mainly the advantages and disadvantages of J502 welding rod performance, as well as the development status at home and abroad,
Titanium calcium electrode belongs to J422 (E4303). It has good process, stable arc, beautiful welding seam, but low impact toughness and strength. It is not suitable for welding with high structural performance requirement.J507 low hydrogen type basic welding rod, basically contrary to J422. The process is bad, the arc is unstable, only the direct reverse welding and short arc welding can be used. However, because of the strong hydrogen removal ability, hydrogen cracking and defects are not produced, and the impact toughness is high, which is suitable for welding with high structural performance requirements.
Electrode whitening what reason?
Drug skin efforescence phenomenon. Domestic skin often add a small amount of soda, easy to press coating. Soda will brighten during storage, the local white skin medicine.
Hand welding electrodes 3.2 and 4 which are more commonly used?
Electrode core diameter, that is to say, 3.2 of the electrode core is 3.2 millimeters in diameter, and 4 is 4 millimeters in diameter.The diameter of the welding rod is large, and the current should be larger when welding. High current, high efficiency, can be used in relatively thick plate welding. On the contrary, relatively thin plate welding, should choose a smaller diameter welding rod.Electrodes commonly used in three specifications, 3.2, 4, 5. Civil J422 and J506 more commonly used, industrial use of J507, J427 more. But the civilian use of 3.2 diameter more.
400A DC inverter welding machine, suitable for long welding electrode
Diameter 4 electrode.Inverter welding machine load rate is generally 60%, 60%, load rate of about 250 or above. Electrode selection current formula is the diameter of the welding rod x (33-55) times = welding current.220 the maximum electrode current is about 4. Current output of welding machine.