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3.2 how much is a package of bridge electrode
This depends on what kind of electrode, such as J422 welding rod, 3.2mm package is five kg, the price is about twenty yuan. If it is J507 electrode and so on, the price will be higher, such as A132 and other stainless steel prices will be much higher.The electrode (coveredelectrode), is the metal coating in the welding core (coating), uniform centripetal pressure applied to core. The core metal cored electrode, in order to ensure the quality and performance of the weld, there are strict rules on the contents of metal elements in the core, especially for harmful impurities (such as sulfur, phosphorus content, etc.) should be strictly restricted, better than the base metal. The electrode consists of two cores and coating composition. The different cores are also different. The core components directly affect the composition and properties of the weld metal, so the harmful elements in the welding core to as little as possible.For welding of carbon steel and low alloy steel welding core, are mostly made of low carbon steel as the core, and adding manganese, silicon, chromium, nickel and other components (see wire national standard GB1300 - 77). The reason of low carbon is a low carbon steel wire plastic, wire drawing is relatively easy, on the other hand can reduce the CO content of reducing gas, reduce spatter or porosity and increased weld metal solidification temperature, favorable for overhead welding. The addition of other alloy elements mainly guarantees the comprehensive mechanical properties of the weld, and also has some effect on the welding process performance and the removal of impurities.
304 generally use A102 welding rod,321 generally use A132 welding rod,Dissimilar steel A302 welding rod,May I ask if 304 can use A132 welding rod? Why?
1, no, in addition to welding and to achieve the parent material and other strong mother, but sometimes need to consider the toughness of the weld zone, with high strength instead of reducing the performance of materials.2, A132 is a kind of Cr19Ni10Nb stainless steel welding rod containing Nb stabilizer. It has excellent intergranular corrosion resistance and good mechanical properties. With excellent welding process and anti porosity property, drug Pinai redness, anti cracking, but the ac-dc.3, 304 stainless steel is a common stainless steel material, the density of 7.93 g/cm3, the industry is also called 18/8 stainless steel. High temperature resistance of 800 degrees, with good processability, high toughness characteristics, widely used in industry and furniture decoration industry and food and medical industry. 304 is a versatile stainless steel which is widely used in the manufacture of equipment and parts requiring good overall performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 18% chromium, more than 8% of the nickel content. 304 stainless steel is a brand of stainless steel produced according to the ASTM standard in the United states.
What is the substance on the outside of the electrode?
I think that is a layer of insulation, to prevent leakage of electrode and temperature is too high, resulting in melting of the electrode.
What are the characteristics of SHJ507 welding rod?
What are the characteristics of SHJ507 welding rod?:SHJ507 is J507, and the SH in front represents only the manufacturer.J507 is a low sodium hydrogen electrode, it is a kind of basic electrode, welding steel structure can be typical of Q235 steel, the tensile strength of E4315 is much larger relative to the common electrode, so the general welding force or under dynamic load of steel structure.J507 welding rod diameter ranging from 2.5mm to 6.0mm, can be carried out in all position welding, welding using DC welder, polarity reversal. Of course, if there is only AC welder in the field, AC welder can be used, but the current needs to be switched on.The weld formation after J507 welding is more difficult than that of the acid welding rod. If an electrode is used on the cover of the steel structure, the acid electrode can be used. Chemical composition of deposited metal (%)J507 component C, Mn, Si, Cr, Mn, P, S tensile strengthPercentage of content 0.12, 0.8-1.4, 0.07, 0.040, 0.035, 490MpaReference current electrode diameter mm, 2.5, 3.2, 4, 6Select current A 70-90, 90-130, 130-150, 150-190
E9015-B9 is a welding rod for which steel is welded
Should be chromium, molybdenum, heat-resistant steel welding rod, E9015 means the meaning and structure of steel welding rod means the same significance, B9 is CrMo chemical composition code.
Excuse me: can J422 welding rod not be used for HRB335 steel bar welding? Where there is such a rule, I see the norms can use ah.
Lap welding, welding joint welding stress is too large, easy to break joints, it is not recommended. Welding steel bar has a special butt welding machine
What kind of welding rod is Mt -12?
MT-12 is a kind of low carbon steel welding rod, is Chinese more than 5 Minerals Import & Export Corporation Tianjin branch (hereinafter referred to as Minmetals Tianjin Corporation) brand products, its chemical composition is (%): C 0.09 Mn 0.40 Si 0.20 P 0.019 S 0.015Contrast chemical components, similar to J421, but higher than J421
Can the Q345A board be welded with 422 electrodes?What kind of welding is best?Thank you!
Q345A (16Mn) is a low carbon structural steel. The electrodes that match the grade strength are the J50- series (E50--)Non important construction can be welded with J502 (E5003) titanium calcium type acid welding rod. The welding rod is good in welding technology and easy to remove slag. The electrode is cheap and suitable for AC welder and DC welding machine. The disadvantage is that the toughness is inferior to the basic electrode.The most important structures can be welded with J506 (E5016) low hydrogen potassium basic electrode. The electrode is suitable for welding of alternating current welding machines with no-load voltage equal to greater than 70V and load rate equal to greater than 60%. And welding of DC welding machine. The electrode contains arc stabilizer, suitable for AC DC welding machine welding.An important structure, such as a rigid larger member, a pressure vessel. Or other structural parts requiring higher welding. Using J507 (E5015) low hydrogen sodium type basic welding rod welding. The electrode does not contain arc stabilizer. Only AX arc welding generator, ZX5 SCR direct current welding machine, ZX7 inverter type DC welding machine welding. ZXG series silicon rectifier welding machine is affected by the fluctuation of input voltage, so it can not be used.