AWS E7018 Welding Electrodes Factory ISO9001High Quality

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Tianjin
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10 m.t.
Supply Capability:
3000 m.t./month

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Product Description:

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

C

Mn

Si

S

P

Guarantee Value

≤0.12

0.3-0.6

≤0.35

≤0.035

≤0.040

 

Mechanical Properties of Deposited Metal

 

Test Item

Rm(MPa)

ReL(Mpa)

A(%)

KV2(J)

KV2(J)

Guarantee Value

≥420

≥330

≥17

-(normal temperature)

-(0)

 

Reference Current (AC, DC)

 

Electrode Diameter(mm)

φ2.0

φ2.5

φ3.2

φ4.0

φ5.0

Length(mm)

300

300(350)

350

400

400

Welding Current (A)

40~70

55~95

80~130

120~180

160~230

V-up, OH

35~60

45~90

60~120

100~160

120~200



5.FAQ

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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Remaining: 4000 characters

- Self introduction

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- Inquire about price/MOQ

Q:How to use hot 317 welding rod?
R317 is a low alloy steel welding rod with low sodium hydrogen type. It can be welded in all positions by DC reverse welding, and the welding process is good. The weldment should be preheated to 250~300 DEG C before welding and should be treated at 700~740 DEG C after welding.
Q:How do you make holes in the steel plate with the welding rod?
1, the following general 10MM board directly to the plate electrode for an empty blow through, must further expand air through the air, need more air electrode with air to air around the suitable size, but the steel bottom board should be suspended, is conducive to the burning capacity of molten iron flow, general space only with electrode blowing, too small to empty is not blowing to using electric drill.2, 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.
Q:How do you know it's a white steel electrode?
Each electrode has a number of general Yilingjisanlingji is white steel 422 is carbon electrode 507 is 506 manganese steel electrode coating structure is just the most common can also see the skin color outside the carbon steel electrode is grey white steel is green and white are easy to distinguish
Q:There are several welding electrodes in manual arc welding
There are many kinds of dry sticks, and they are still being developed.502506422 are structural steel dry bar, with J for structural steel, the first two are tensile strength, and the latter is characteristic. There are national standards in this regard.
Q:How can I distinguish the basic electrode or the acid welding electrode from the welding rod number?
General electrode brand will see E308-15 or -16 or -17,Suffix 15 means that the electrode is alkaline, and the reverse polarity is welded;Suffix 16 means that the electrode can be an alkaline coating, or a titanium or a calcium titanium based coating for both hand and dc;The suffix 17 is a variant of the drug skin type 16, which means that the electrode is made of titanic acid type and can be used for both hand and DC purposes.The ingredients and operation characteristics of the rings 25 and 26 are similar to those of the electrode type 15 and 16. The specifications of the type 15 and 16 of the electrode type are also suitable for the type 25 and 26 of the coating types. According to the nature of the electrode coating, the electrode can be divided into two categories: acid electrode and basic electrode.Drug skin contains a large amount of acidic oxide (TiO2, SiO2, etc.) electrode, known as the "acid electrode.".The skin contains many basic oxides (CaO, Na2O, etc.) called alkaline electrode.Acid electrode can AC-DC, the welding process performance is better, but the weld mechanical properties, especially the impact toughness is poor, suitable for welding low alloy steel for low carbon steel and low strength, is the most widely used electrode.The basic electrode has strong desulfurization and dephosphorization ability, and the coating has the function of hydrogen removal. The hydrogen content of welding joint is very low, so it is also called low hydrogen type welding rod. Basic welding seam has good crack resistance and mechanical properties, but poor technology performance, general DC power supply welding, mainly used for important structures (such as boiler, pressure vessel and alloy steel welding etc.).
Q: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.
Q:How to deal with magnetic blow in welding process of electrode?
Equal distances are provided with double ground wires or multiple ground wires.
Q:Welding rod E5015 and G507 difference
E5015: belong to low hydrogen sodium basic welding rod, direct reverse welding.J507:J507 (J48.57) conforms to GB E5015, equivalent to AWS E7015Description: J507 is a low carbon hydrogen type stainless steel electrode. Direct current reverse welding can be carried out in all position welding. With excellent welding process performance, stable arc, less spatter, easy to remove slag, the deposited metal has excellent mechanical properties and crack resistance, low temperature resistance, good impact toughness.Usage: used for welding of carbon steel and low alloy steel structure important (compression and dynamic), such as 16Mn, 09Mn2Si, 09Mn2V, B, A and marine D, E grade steel, also used for welding carbon steel plate and poor weldability.Chemical composition of deposited metal (%)chemical compositionC = 0.12Mn = 1.60Si = 0.75S = 0.035P = 0.040Ni = 0.30Mo = 0.30Cr = 0.20V = 0.08Diffusible hydrogen content in deposited metal: 8.0ml/100g (glycerol)Reference current (DC+)Electrode diameter (mm)2.5.3.2.4.5.Welding current (A)60~10080~140110~210160~230Matters needing attention:The electrode is subject to 300~350 C 1H 1 before welding with baking, drying with.The welding must remove impurity welding rust, oil, water etc..3 be short arc welding operation, narrow welding bead.
Q:How are the electrodes made up?
Answer: welding rod is coated with the skin of the power supply arc welding melting electrode. It is composed of two parts covering and core wire. (L) cores. The electrode is metal cored coating called cores. The core is generally a certain length and diameter of the steel wire. When welding, the welding core has two functions: one is the conduction of the welding current, arc energy converted into heat energy; two welding core melting filler fused with the parent metal weld formation. The special steel wire used for welding can be divided into three categories: carbon structural steel, steel wire, alloy structural steel wire and stainless steel wire. (2) medicine skin. The pressure on the surface of electrode coating called coating. A coating of various minerals, such as minerals, is coated on the outside of the electrode to stabilize the arc and improve the quality of the weld. Some reducing agents should be added into the coating to restore the oxide to ensure the quality of the weld. Because of the high temperature of the arc, some of the alloying elements contained in the weld metal are burned (oxidized or nitrided), which reduces the mechanical properties of the weld. By adding ferrous alloy or pure alloy element to the electrode coating, it can be transferred to the weld metal with the melting of the coating, so as to compensate for the burning of the alloy elements and to improve the mechanical properties of the weld metal. It can improve the welding process performance, make the arc stable combustion, less spatter, good weld formation, easy slag removal and high deposition efficiency. In short, the role of the drug skin is to ensure that the weld metal to obtain the required chemical composition and mechanical properties, and make the welding rod has good welding process performance.
Q:Can plastic welding rod weld PVC?
It can be welded by heating weldingPVC as long as PVC, PVC is thermoplastic material, and can be welded with plastic welding rod.Can also be used without welding rod direct heating, with ultrasonic welding machine welding.

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