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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Q:What is the difference between THJ506 welding rod and THJ422 electrode?
1, THJ506 electrode and THJ422 electrode in use is different.2, first of all, an acid welding rod, and an alkaline electrode.3, second electrode class is not the same, one is 40, one is 50.4, in the use of acid welding rod, DC welding machine can be welded.5, the basic welding rod welding machine is usually required to welding, because it requires welding machine no-load voltage is relatively high.6, THJ506 electrode in the description, it is possible to AC welding machine can be used, but in actual use, arc is very difficult, and even welding machine is not good, even the arc can not play, even if the arc, continuous welding is still very difficult.
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: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:Cast 308 pure nickel cast iron welding electrode. What shall be used for welding?
The iron parts to be machined after welding.No machining is OK, but the cost is high.
Q:Welding method of 506 electrode
506 is AC and DC electrode, but it is better to use dc. With AC welding machine, the no-load voltage can not be too low, otherwise it is easy to stick the strip.
Q:What are the main differences between automatic submerged arc welding and rod arc welding?
Automatic submerged arc welding; the current is higher than the manual arc welding; the welding wire is thicker than the welding electrode; the speed is fast; the efficiency is high; the operation is easy; the pores are not easy to produce; the width of the weld bead and the depth of melting are high.For individual welder hand arc welding technical level change, high difficulty, low efficiency, especially for more than 20, more than 20 of the slab thickness, is not easy, single pass welding slag cleaning difficult, but cannot be compared with manual arc welding submerged arc welding in all positions
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:Requirements for welding electrodes for temperature and humidity
Storage should be kept at 10---25 degrees Celsius and less than 50% relative humidity.
Q:What kind of welding rod does aluminum alloy use?
Specific to see what aluminum alloy, different aluminum alloy may use different welding rod.Turn left and turn right |Turn left and turn right |Turn left and turn right |Aluminum and Aluminum Alloy wire can be used for welding processing spool or longitudinal incision of MIG or TIG, according to its composition can be divided into pure aluminum, aluminum silicon and aluminum magnesium wire into a disc through certain processing methods (coils) or rod (bar) supply, widely used in construction, decoration and equipment, metallurgy and spinning apparatus, pipelines, ships, drilling equipment, train, car, storage tanks and pressure vessels welding processing industry and other industries. Precautions for product use:1, the package after the warranty period you can directly connect the welding, welding without any pretreatment. The product can be stored for more than two years under the condition of packing and sealed. After packing, it can be guaranteed for three months in the normal atmospheric environment;2, the product should be placed on ventilation, dry and with acid and alkali, oil and other local storage medium isolation;3, the product should avoid bumping and damp during transportation, in order to avoid damaging the wire tray and affecting the quality of wire;4, after the wire is removed and packed, it is recommended to apply proper dust cover over the welding wire;5. The wire surface cleaning is recommended before welding;6, welding process of the arc will stimulate your eyes, please pay attention to protection.
Q:There are several welding electrodes in manual arc welding
1) E4303:E means welding rod, 43 means the tensile strength of deposited metal 430MPa, 0 indicates that the electrode is suitable for metal position welding, and 03 represents welding current type for AC or DC zone reverse, and the coating is titanium(2) E5015 E means welding rod, 50 means the tensile strength of deposited metal 500MPa, and 1 indicates that the electrode is suitable for all position welding. 15 indicates that the electrode is low hydrogen and sodium type, and the direct current is reverse.(3) J422 J indicates that the electrode is the structural steel welding rod, and the 42 represents the tensile strength of the weld metal 420MPa, and 2 indicates that the electrode is made of titanium calcium based leather and is AC and DC positive and negative(4) J507 J indicates that the electrode is a structural steel electrode, and 50 represents the tensile strength of the weld metal 500MPa, and 7 indicates that the electrode is of low hydrogen and sodium type and has a direct reverse connection.

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