Tig Welding Rods

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Tig Welding Rods

T-SD-1

For TIG Welding

Reference color:dark blue

APPLICATIONS

For hardening and padding to punching dies, press molds and hard iron metal molds, etc.

TYPICAL CHEMICAL COMPOSITION OF WELDING ROD (%)

C	Si	Mn	Cr	Mo	V
0.38	0.96	0.47	5.37	1.24	0.83

HARDNESS OF WELDED METAL

620-670

DIMENSION OF PRODUCT

Rod diameter (mm)

1.6

3.2

Rod length (mm)

1000

T-SD-11

For TIG Welding

APPLICATIONS

For hardening and padding to punching dies, cold steel shears and hard iron metal molds, etc.

TYPICAL CHEMICAL COMPOSITION OF WELDING ROD (%)

C	Si	Mn	Cr	Mo	V
1.44	0.30	0.33	11.11	0.93	0.26

HARDNESS OF WELDED METAL

620-670

DIMENSION OF PRODUCT

Rod diameter (mm)

1.2

1.6

2.4

3.2

Rod length (mm)

1000

Q: What's the difference between 507 and 422 electrodes?: The main difference is the intensity, a difference; another 507 are low hydrogen alkaline electrode, DC reverse; 422 is an acid welding rod, AC and DC dual-use

Q: When welding, for example, 3.2 of the electrode should choose how much current: The current selection depends on the thickness of the steel plate welding you, if it is a few thick milimeter can use 150A 200A to 10 mm thick, can use 180A to 250A.Pu steel plate for large current will be easy to wear thick steel plate welding, welding with small current will not!

Q: What is the difference between A302 stainless steel electrode and A402 stainless steel electrode?: A402 stainless steel welding rod can weld 304 stainless steel, but it is relatively wasteful. 304 stainless steel with A102, A107, A132, A137 and other stainless steel welding electrodes can be welded.A402 stainless steel electrode:A402 is Cr26Ni21 pure austenitic stainless steel electrode with titanium calcium coating, and has good welding performance.Use: for the same type of heat-resistant stainless steel under high temperature welding, can also be used for hardening of the large steel (such as Cr5Mo, Cr9Mo, Cr13, Cr28 etc.) and the welding of dissimilar steel.

Q: What is the current of 2,6 electrode?: About 90-120 of the current

Q: 1. what are the types of welding electrodes (materials), what is the difference between different materials?: 40 jin. Ordinary acid welding rod J422 with any welding machine can burn. Basic electrode J507 use DC welder. Different materials use different electrodes.

Q: Why can't manual arc welding be performed with bare electrode?: Please read the role of electrode coating. Medicine skin on the one hand, stable arc, on the one hand protect and + alloy role, there is no drug skin, welding rod can not continue stable combustion, molding is not good, poor quality

Q: Why should the electrode be dry?: Some electrode will absorb moisture in the skin, the drug will contain water, and water in welding under high temperature decomposition of atoms H and O atoms, the two atoms into the weld on the weld quality will be the formation of bad, so the electrode drying before use.Specific can be in accordance with the specifications of the temperature and time in the drying box. If there is no manual, you can also press the following temperature:The acid electrode is dried at 100150 degrees 1-1.5HAlkaline bottom hydrogen electrode is dried at 380-420 degrees 1-1.5HIron powder acid electrode drying at 150-200 degrees 1-1.5H.

Q: Welding rod for reinforcing cage of bridge pile foundation: First, according to JGJ18-2003T steel welding and acceptance procedures, welding HPB235 steel, E4316 and E4315 welding rod can be used; welding HRB335 steel bar, E5016 and E5015 welding rod should be adopted. E6016 and E6015 welding electrodes shall be used to weld HRB400 steel bars.Two, selection of basic principles of welding rod:1, equal strength principle, that is, choose the same strength as the parent material electrode. Generally used for welding low carbon steel and low alloy steel.2, with the principle of the same component, and the parent metal chemical composition of the same or similar electrode. Generally used for welding heat-resistant steel, stainless steel and other metal materials.3. The principle of crack resistance is to use alkaline welding rod with good crack resistance so as to avoid cracks in welding and using process. Generally used for welding rigidity, complex shape, the use of dynamic load in the welding structure.4, the principle of the welding process by anti stomatal limitation, such as oil, welding joints rust cleaning inconvenience, acid electrode should be used in anti blowhole ability, so as to avoid the gas in the welding process to weld porosity formation stranded.5, low cost principle, to meet the requirements of the premise, as far as possible the use of good performance, low cost and high efficiency of welding rod.6, and other principles of toughness, that is, electrodes, deposited metal and base metal and other toughness or similar, because in practice, the welding structure of the fear of bad, mostly because the strength is not enough, but the lack of toughness. Therefore, when the electrode is selected, the strength is slightly lower than that of the base metal, while the toughness should be the same or similar. This is also the low toughness and toughness of high strength steel when welding.

Q: What are the diameters of the electrodes?: The common diameter is 2.5, 3.24 (mm), also has 2mm, 5mm, generally not commonly used, very rare.

Q: Can 50Mn2 casting be welded with 507 electrodes?: 50Mn2 is medium carbon steel, while J507 electrode is a low carbon component. If 507 electrodes are used to weld, the carbon content of the weld seam is lower, which will reduce the joint strength. Therefore, the welding of 50Mn2 steel with J507 welding rod can not guarantee the strength of the weld seam. It only applies to the welding of the weld when the strength of the joint is not high.

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