Why should we weld from top to bottom when welding with bar welding?

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J422 electrodes are marked with "THJ422". What does TH represent?

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Is the electrode of E43 and 422 of electrodes the same?

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How big is the maximum electrode and how big is the minimum electrode?!

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Can 50Mn2 casting be welded with 507 electrodes?

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There are several welding electrodes in manual arc welding

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Cast 308 pure nickel cast iron welding electrode. What shall be used for welding?

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What kind of welding rod does Q345 steel use?

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12 chromium vanadium molybdenum with what electrode?

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2.5, 3.2, 4, 1 kilograms of welding wire, how many branches?

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What grade of welding rod is used for three grade steel welding?

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What electrodes can be used to weld boilers?

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What are the differences between stainless steel welding wire and welding rod?

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Q345q what kind of welding rod is used for steel welding?

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What is bubble welding? What's the difference between a common electrode and an ordinary one?

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After the remaining number of suitable welding

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Why is the hydrogen content in the weld lower than that of the alternating current when the acid electrode is welded by direct current?

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Why do welding electrodes need heating?

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How are the electrodes made up?

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What are the grades or models of commonly used electrodes?

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Why stainless steel electrode is relatively short?

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What are the requirements of steel structure for electrode?

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What welding Q235 and 16 steel, please enlighten Masters

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What are the diameters of the electrodes?

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How much is the electric welder with 4 mm electrode?

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What is the J422 electrode core material

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How to weld iron castings? Which welding method is adopted? What kind of electrode? What is the specific operation process? If possible, please give examples.

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

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What are the main differences between automatic submerged arc welding and rod arc welding?

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What wire and electrode are used for the welding of 0Cr18Ni10Ti stainless steel pipes? Thank you

3 answer