AWS E7018 Welding Electrodes Factory ISO9001High Quality

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1.Welding Rod Description:

Model Type: Welding Electrode AWS E7018

Manufacture standards: AWS
Avaliable size: 2.5*350mm, 3.2*350mm, 4.0*400mm, 5.0*500mm

Application:  Basic coated electrode designed for high quality welds. Excellent strength and toughness properties. Also suitable for welding steels with low purity and high carbon content. Metal recovery about 120%.Good weld ability in out of position work except for vertical down. Suitable for welding in steel construction, weld ability in out of position work except for vertical down. Suitable for welding in steel construction, for buffer layers when building up high carbon steels. Deposits have very low hydrogen content.

2.Main Features of Welding Rod

1): Durable, strict quality management and control.
2): High precision machining equipments guarantee good quality.
3): Smooth surface. No defects. Continuous skill  improvements.
4): Quick delivery, competitive Chinese price. Low MOQ.
5): Our Company is specialized in machining service on precise mechanical parts; we are producing high precision parts for military enterprise
6): We have design team to develop new skill and new products to meet requirements of markets.
7): Good service, when customers have problems during use, we will surely try our best to solve them.
8): High professional employees have good emergency-dealing ability during production.
9): Surface treatment can be nickel, galvanized and painted, or based on the requirements of customers.

3. Welding Rod Images

AWS E7018 Welding Electrodes Factory ISO9001High Quality

4. Welding Rod Specification 

Chemical Composition






Guarantee Value







Mechanical Properties of Deposited Metal


Test Item






Guarantee Value




-(normal temperature)



Reference Current (AC, DC)


Electrode Diameter(mm)












Welding Current (A)






V-up, OH







Q: Are you a manufacturer?

A: Yes, we have been in providing the professional products in Welding Rod over 10 years.

Q: Can I get the sample?

A: Yes, free samples are prepared for your test.

Q: How long can we get the goods after purchased?

A: Usually it needs about 20 days, the exact time is according to the detail.

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Q:Why should the electrode be dry?
Some of the electrode coating will absorb moisture, the skin will contain moisture in the welding process, water will be decomposed into hydrogen overflow, part of it will stay in the weld to form hydrogen pores.
Q:How many roots are there in a package of 2.5 electrodes?
Look how thick, 4 is 100, more than 2.5
Q:What kind of welding rod does 1Cr13 steel plate use?
If used in high temperature situations, G202, but welding is troublesome, preheating before welding, heat treatment after welding, heat treatment should be carried out. If it is not high temperature occasions, A402 austenitic electrode is best. Preheating, welding, heat treatment, heat treatment are not necessary before welding.
Q:Stainless steel 2025 is how material, with what electrode?
Carbon steel, stainless steel welding rod
Q:Does construction welding rod need to be re examined?
Construction welding electrodes generally do not need to re examination.According to the national standard "acceptance specification for construction quality of steel structure", the requirements for the inspection of welding materials are that the welding materials used in important steel structures need to be re examined". Important finger:Grade one or two welds in Grade 1 safety.First grade weld of safety grade two.Primary weld in long span structure.Primary welding seam of crane beam in heavy duty working crane.According to the current situation of condemnation, if not, it only needs to check the quality certification document, Chinese signs, inspection reports, do not need re examination.
Q:Why should the electrode be baked before use?
I don't want to tell you anything that is very theoretical and very textbook. Our project is very wet in the south, so the steel production base often does.The main reason for baking the electrode is (or to prevent) the welding rod from being wetted.Welding rod after wetting, in the welding of workers will indirectly cause more slag, more bubbles, the current is not good control, burn the main tendons, and the strength of the steel bar connection will not meet the design requirements.That's all.
Q:What grade of welding rod is used for three grade steel welding?
The type and quality control requirements of welded joints are shown in the welding procedure for reinforcing barsAccording to the form of welded joints: E5003, E5503 and so on.
Q:Why is the hydrogen content in the weld lower than that of the alternating current when the acid electrode is welded by direct current?
Because of the alkaline electrode contains a lot of calcium fluoride (CaF), the decomposition of fluorine in the arc under the ionization potential of fluorine is high, not easily ionized, and the outermost layer of fluorine has seven electrons, cannot lose electrons to become positive ions, but easy to get electrons becomes negatively charged, if the answer is that will, fluorine ion mass to welding pool movement, so will increase caused by splash, arc burning instability. The reverse, however, and when using the reverse connection, positive ion electron in hydrogen, in the molten pool is formed on the surface of HF, the surface can be greatly reduced in welding seam hydrogen.
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:What kinds of welding electrodes are used in the copper tubes for air conditioning? What's the difference?
There are two kinds, one containing silver, one containing phosphorus. The former is used in a high sulfur environment, and the price is about three times higher than that of the latter

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