STICK WELDING ELECTRODE
Electric arc welding (using welding electrode) – it is one of the oldest processes for joining metals and used all over the world. It is generally known as MMA (manual metal arc welding). Electric arc welding with welding electrode is still indispensable in steel and pipeline construction and can be used under all weather conditions. Today, around 25 to 30% of the world’s welded products are produced with this process.
In arc welding, an electrode is used to conduct current through a workpiece to fuse two pieces together. Depending upon the process, the electrode is either consumable, in the case of gas metal arc welding or shielded metal arc welding, or non-consumable, such as in gas tungsten arc welding. For a direct current system, the weld rod or stick may be a cathode for a filling type weld or an anode for other welding processes. For an alternating current arc welder, the welding electrode would not be considered an anode or cathode.
Electric arc welding with stick welding electrodes is one of the oldest and most versatile welding processes. And it is also considered as one of the simplest and safest methods. It is used to weld almost all types of metals. Stick electrodes are even used for underwater welding.
For electric arc welding with stick welding electrodes, an electric arc is generated between the stick electrode and the base material. In shielded metal arc welding (SMAW) or manual metal arc welding (MMA) using coated stick electrodes, the coating forms a protective gas shield and a slag, thereby protecting the transferred metal droplets and the weld metal against contact with atmospheric oxygen.
Further functions of the coating are de-oxidation of the weld metal, increasing the metal recovery, compensating for burn-off and ensuring good wetting behavior. In practical use there are three significant types of coating: rutile, basic and cellulosic and mixtures of these.
Most used welding electrodes are : welding electrode 6013 & 7018, Each type of steel needs a different welding electrode. It can be differentiated between the following steel types:
- Stick electrodes for unalloyed steels
- Stick electrodes for high-strength steels
- Stick electrodes for creep resistant steels
- Stick electrodes for stainless steels
- Stick electrodes for nickel and nickel alloys
|PRODUCT NAME||ALLOY TYPE||COATING|
|BÖHLER FOX OHV||Unalloyed Steels||Rutile Coating|
|BÖHLER FOX ETI||Unalloyed Steels||Rutile Coating|
|Phoenix Grün T||Unalloyed Steels||Rutile Coating|
|Phoenix SH Gelb R||Unalloyed Steels||Rutile Coating|
|BÖHLER FOX EV 50||Unalloyed Steels||Basic Coating|
|Phoenix 120 K||Unalloyed Steels||Basic Coating|
|BÖHLER FOX EV 65||High-Strength Steels||Basic Coating|
|BÖHLER FOX EV 70||High-Strength Steels||Basic Coating|
|BÖHLER FOX EV 75||High-Strength Steels||Basic Coating|
|BÖHLER FOX EV 85||High-Strength Steels||Basic Coating|
|Phoenix SH Ni 2 K 90||High-Strength Steels||Basic Coating|
|Phoenix SH Ni 2 K 130||High-Strength Steels||Basic Coating|
|BÖHLER FOX CEL 85||Pipeline Welding||Cellulose Coating|
|BÖHLER FOX CEL 90||Pipeline Welding||Cellulose Coating|
|BÖHLER FOX EV 70 Pipe||Pipeline Welding||Basic Coating|
|BÖHLER FOX BVD 85||Pipeline Welding||Basic Coating|
|BÖHLER FOX BVD 90||Pipeline Welding||Basic Coating|
|BÖHLER FOX DCMS Kb||Creep Resistant Steels||Basic Coating|
|BÖHLER FOX CM 2 Kb||Creep Resistant Steels||Basic Coating|
|BÖHLER FOX CM 5 Kb||Creep Resistant Steels||Basic Coating|
|BÖHLER FOX C 9 MV||Creep Resistant Steels||Basic Coating|
|Thermanit MTS 3-LNi||Creep Resistant Steels||Basic Coating|
|Thermanit MTS 616-LNi||Creep Resistant Steels||Basic Coating|
|BÖHLER FOX EAS 2-A||Stainless Steels||Rutile Coating|
|BÖHLER FOX EAS 4 M-A||Stainless Steels||Rutile Coating|
|BÖHLER FOX EASN 25 M||Stainless Steels||Basic Coating|
|BÖHLER FOX CN 20/25 M||Stainless Steels||Basic, Rutile Coating|
|Avesta 2205||Stainless Steels||Rutile Coating|
|Avesta 2205 basic||Stainless Steels||Basic Coating|
|Avesta 2507 P100||Stainless Steels|
|Avesta 2507 P100 rutile||Stainless Steels|
|Thermanit Nicro 82||Nickel and Nickel Alloys||Basic Coating|
|Thermanit 625||Nickel and Nickel Alloys||Basic Coating|
|Thermanit 617||Nickel and Nickel Alloys||Basic Coating|
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