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FAQ

How to calculate the amount of electrode used in pipe welding?

According to the wall thickness of the pipe and the groove at the butt joint, the weld height is calculated, and the sectional area is calculated. According to the circumference of the pipe, the volume of a weld is calculated. The volume of the corresponding welding wire is the amount of the weldIt can also be multiplied by the number of welds and the amount of each opening. The dosage of the cut can be calculated by the quota method or the volume method. Generally, a ton of steel has an average number of electrodes.

How long is the effective period of welding rod?

If the stock period exceeds the prescribed time limit, the electrode, flux and flux cored wire must be re examined before the relevant functional departments can be issued and used. complexTest principle to check whether the welding material may affect the quality defects, generally limited to appearance and process performance test, but there are doubts on the performance of welding materials, can increase the necessary inspection item.The prescribed time limit may be determined by the following method from the date of production:A) the period of recommendation for welding materials, quality certificates or manuals;B) a low hydrogen type welding material for acid welding materials and moisture resistant packages, sealed for two years;C) graphite type welding materials and other welding materials for one year.

What kind of material is E4303 electrode?

E4303 electrode, it's made of carbon steel

What welding rod does 16MnDR use?

16MNDR can use E5015 low temperature welding rod.E5015 low temperature welding rod:Features: low hydrogen and sodium type low temperature steel electrode with nickel, direct reverse welding, all position welding, and welding metal still has good impact toughness at -60 centigrade.Uses: welding -60 degrees, low temperature steel structure, such as 13MnSi63, 09MnNiNb, E36 and so on.Material (deposited metal chemical composition):C Mn 1.2-1.7 = 0.07 Si = 0.5 Ni S = 0.035, P = 0.035, 0.2-1Other: B = 0.003, Ti = 0.03

What is the difference between electrode type and brand?

It doesn't make any difference. Just use it. It's mainly the function of welding machine!

Electrode: 506--J48-56 junction, Tianjin Bridge Welding Materials Group Co. Ltd. production. Is it possible to use an AC welder?

AC and DC can be, a large current bar on the line

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.

JGJ18-2003 regulations for welding and acceptance of reinforcing steel bars 3.0.3:HRB335 in the case of bar welding and lap welding, the use of E4303 (GB/T 5117, E4303), both CHE422, that is, commonly known as J422.Table 3.0.3 provides as follows

What kind of welding rod is ECoCr-A?

High temperature wear-resistant alloy electrode, generally used for surfacing