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FAQ
- What kind of welding rod is used for Q345R steel plate welding?
- Q345R is an ordinary low alloy steel. It is commonly used in boiler and pressure vessel. The delivery status is hot or normalized, low alloy steel. The performance is similar to that of Q345 (16Mn) (the yield strength of 16mm steel plate is greater than 345Mpa), the tensile strength is (510-640), the elongation is greater than 21%, and the impact strength of zero V is greater than 34J. E5015 calcium electrode is recommended.
- There are some electrode home models are R312, R317, J507, J422 these are used for what is now know, 2 mantissa is acidic, mantissa 7 is alkaline, I want to know that the four electrode is used to weld what, for example which used for stainless steel, which is used for carbon steel,
- The method of welding rod type is as follows:The letter "E" said the first two bits digital electrode; the minimum tensile strength of the deposited metal; 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 welding, "4" is suitable for vertical down welding electrode; said welding current type and coating type third and fourth digit combinations. 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.
- What welding Q235 and 16 steel, please enlighten Masters
- In the past, high strength welding was used to reduce the strength of the lower material. Therefore, E43 series welding rod should be adopted and E50 series should not be used
- What kind of material is E4303 electrode?
- The utility model belongs to an acid welding rod, and is suitable for alternating current and direct current welding machines. Generally used for welding ordinary steel.The model E indicates the electrode; 43 indicates that the tensile strength of the weld metal is no less than 430MPa; 03 represents the titanium calcium based coating; it is suitable for AC and DC power supplies. Perform standard GB/T5117-1995 carbon steel electrodes
- What is the difference between electrode type and brand?
- J422 acid electrode type GB E4303Structural steel welding rod, weld metal tensile strength of not less than 420Mpa, titanium oxide calcium type leather, AC and DC dual-use, mainly for welding low carbon steel and low strength alloy steel, such as 09Mn2 and so onJ427 basic electrode type GB E4315Structural steel welding rod, weld metal tensile strength of not less than 420Mpa, low sodium hydrogen type leather, DC reverse welding, mainly used for welding of important low carbon steel and low alloy steel, such as 09MnSi, etc.
- What grade of welding rod is used for three grade steel welding?
- Three grade steel is generally not allowed to weld, and generally use mechanical connections, and lap, if you want to weld, then use more than E5003, to meet the strength requirements.
- 304 can I use A022 welding rod?
- Sure。 304 stainless steel, A022 stainless steel electrode.
- How much is one kilogram for common electrode?
- The wholesale price is 4-4.5 yuan. The retail price is 5-5.5 yuan. The prices are different from place to place
