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?
Dissimilarity。 E43 is the electrode type, and J422 is the electrode (concrete) brand.Welding rod brand: J422, model: E4303 belongs to titanium calcium type low carbon structural steel welding rod. For Q235 grade low carbon structural steel welding. Acid welding rod. AC welding machine DC welder and welding rod. Good welding process, easy to remove slag. All position welding.It should be said: E43 model series welding rod, and J42 brand series of welding rod matching specifications.Such as: Brand: J422, corresponding model: E4303,Brand: J426, corresponding model: E4316,Brand: J427, corresponding model: E4315.
You buy the electrode is right, you say E43 is GB model, 422 is the manufacturer's brand, you can weld Q235B steel pipe.
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.
