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Why should the electrode be baked before use?
- Ordinary carbon steel electrode can not be used, but other electrodes, especially white steel, must be baked, because the welding rod welding when there will be holess
Is it possible to use an AC welder for 506 electrodes?
- 506 belong to basic electrode, welding with DC output welding machines
Is the electrode of E43 and 422 of electrodes the same?
- You buy the electrode is right, you say E43 is GB model, 422 is the manufacturer's brand, you can weld Q235B steel pipe.s
Why should the electrode be dry?
- Some of the electrode coating will absorb moisture, the skin will contain moisture in the welding process, water will be decomposed into hydrogen overflow, part of it will stay in the weld to form hydrogen pores.s
What does 70 of the e7015 electrode mean?
- The method of welding rod number is as follows: the welding rod letter "E" means welding rod;The top two digital said the minimum value of the tensile strength of the deposited metal is kgf/mm - unit. (70kgf/mm = - 690 MPa)Third digit electrode welding position, "0" and "1" electrode for all position welding (flat, vertical, horizontal, upward), "2" is suitable for welding and fillet welding electrodes, "4" is suitable for vertical down welding electrode;The third and fourth bit numbers indicate the type of weld current and the type of coating.After fourth digits, additional "R" is added to indicate the resistance to moisture absorbing electrode. Additional "M" is used to indicate the resistance to moisture absorption and mechanical properties. The electrode with special requirements is added with "-1", indicating that the electrode with special requirements for shock performance is attached.s
One millimeter thick iron direct current welding machine welding 3.2 electrode, need much current?
- It will break a bit! It is recommended that you switch to CO2 shielded welding or use resistance welding (designed to allow).s
What kind of paint does the red arc welding electrode add inside?
- The red component is iron oxide. This kind of coating is mainly made of iron oxide and is called iron oxide electrode.s
Stainless steel 2025 is how material, with what electrode?
- Carbon steel, stainless steel welding rods
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