Low Carbon Mild Steel Welding Electrode High Quality and Low Price
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25000 kg
- Supply Capability:
- 25000000 kg/month
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1.Low Carbon Mild Steel Welding Electrode High Quality and Low Price Description:
First Class WeldingElectrode Customization is welcome . We could produce various Welding Electrode.
according to buyers’drawing or samples/Non-standard Welding Electrode .The price, picture
and product attributes are for reference only. Specific matter can be confirmed
by a further communication. Welcome your consultation.
2.Main Features of Low Carbon Mild Steel Welding Electrode High Quality and Low Price：
Fewer spatters
Easy to restrike
Less smog
Good off slag,high deposition efficiency
3. Low Carbon Mild Steel Welding Electrode High Quality and Low Price Images
4. Low Carbon Mild Steel Welding Electrode High Quality and Low Price Specification：
Chemical composition | C | Mn | Si | S | P |
Guarantee value | ≤0.12 | 0.3~0.6 | ≤0.35 | ≤0.035 | ≤0.040 |
Test Item | Rm(MPa) | ReL(Mpa) | A(%) | KV2(J) | KV2(J) |
Guarantee value | ≥420 | ≥330 | ≥17 | -(normal temperature) | -(0°C) |
General result | 460~540 | ≥340 | 18~26 | 50~80 | ≥47 |
5.FAQ
We have organized several common questions for our clients，may help you sincerely：
1. What’s your products ？
One of the most biggest manufacturer & supplier of Welding Electrode ，is a large-scale professional Welding Electrode factory in China. Annually more than 10000 tons Welding Electrode are exported to markets all over the world. Different kinds of Welding Electrode are available according to customer’s requirements.
2.What is advantage of our products?
All items are of Top Quality with best price. Direct wholesale price from Factory and 100%quality guaranteed .Large Selection with all sizes .
3. How long can we receive the product after purchase?
In the purchase of First Class Welding Electrode within three working days, We will arrange the factory delivery as soon as possible. The pacific time of receiving is related to the state and position of customers. Commonly 15 to 20 working days can be served.
- Q:Why not use 422 electrodes and 502 electrodes on the site? (Shanghai Kunming Railway)
- 422 is common steel electrode, 502 is manganese steel welding rod. They have different welding materials. The simple point is that if the 422 manganese steel is used, the weld seam will crack and will not be welded.
- Q:How thin is the smallest electrode?
- According to the national standard GB5117 "carbon steel welding rod" and GB5118 "low alloy steel welding rod" standard, the relevant models for the manual arc welding with carbon steel and low alloy welding rod are unified.E4313, for example, is a high titanium carbon steel electrode. The E said 43 electrode, said the tensile strength of the deposited metal is minimum, 1 said electrode for all position welding, the final 3 electrode is titanium calcium type, can be used in AC or DC positive and reverse welding power supply.According to the diameter of the welding rod, the diameter of the electrode depends on the thickness of the weldment. The current and diameter of the electrode are basically proportional to the diameter of the electrode.Electrode diameter (mm) 1.6, 2, 2.5, 3.2, 4, 5, 6.Welding current (A) 25~40, 40~65, 50~80, 100~130, 160~210, 200~270, 260~500.The most common ones are 2.5, 3.2, and 4 millimeters, 3.
- Q:Why can not welding machine welding electrode spark?
- 1 subway did not catch, 2 medicine skin covered electrode. 3 the current of the welder is too small, the internal circuit of the 4 electric welder
- Q:What kind of welding rod does Q345 steel use?
- Ordinary welding rod can be, Q345 steel weldability is better.
- Q:304 can I use A022 welding rod?
- Strictly speaking, you can not, the electrode class is too high, A022 welding rod is used in 316L, and 304 should use A102
- Q:J807 electrode specification
- Gas shielded flux cored wire with high strength steelSHJ807Description: SHJ807 is a metal cored low alloy high strength steel welding wire. When welding, the welding wire is connected to the positive pole and 80%Ar+20%CO2 mixed gas or 100%CO2 is used to protect the welding wire. The welding process has good performance and high welding efficiency. Deposited metal has good crack resistance and high toughness. The workpiece should be preheated in the range of 250~350 centigrade before welding and be treated by tempering at 620 DEG C after welding.Application: it is used for welding high strength steel of relative strength grade, and can also be used for surfacing of ordinary wear-resistant parts or for transition layer of hardfacing parts.Typical chemical composition of deposited metal (%)Ingredients C, Mn, Si, S, P, Cr, MoThe measurement value of 0.065 1.63 0.3 1.05 0.48 0.025 is less than or equal to 0.025Typical mechanical properties of deposited metal: (690 * 1H tempering)Tensile strength (o b) Mpa yield strength (by 0.2) Mpa (5)% elongation impact energy of Akv (-40 C) JMeasured value 8207601838Recommended parameter: (DC+) (1.2mm)Welding current (A), welding voltage (V), dry stretch length (mm), gas flow (l/min)200~260 28~32 15~25 20Matters needing attention：Remove rust, oil stain and moisture before welding.Remove welding slag between welding layers, and avoid slag inclusion.When welding, preheating and post heat treatment are carried out according to process requirements.Welding wire should be kept in a cool and dry place. It can be used up in time.
- Q:422 what does "electrode" mean?
- J422 carbon steel welding rod profile, J422 welding rod is common name (also known as brand), corresponding to international standards, welding rod model E4303. It is a kind of acid electrode, titanium calcium coating, J structural steel electrode, the tensile strength is 42 42kg/mm - weld metal, weld metal tensile strength of not less than 420MPa.
- Q:What is the substance on the outside of the electrode?
- 1, welding electrode is divided into acidic and alkaline electrode. Acidic oxide as the main component of acid coating, such as silica, titanium dioxide, ferric oxide. Alkaline oxide as the main component of alkaline electrode, such as marble, fluorite and so on. The role is to protect the welding process is not oxidized, produce a lot of heat welding in the process of2, 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:Who knows what welding electrode is?
- Composition and function of welding electrode:One electrode. By core (metal core) and coating composition1. cores: metal cored electrode is coated with coating. Manual welding, welding electrode is not only.Filler metal.2. coating: pressure on the surface of the coating layer on the electrode. It is composed of a variety of ores, iron alloys, cellulose and binders.Two. Role of welding rodThe main function of the 1. cores:Act as an electrode to conduct current and to ignite an arc.Melt as filler metal and weld together with molten parent metal. In order to guarantee the quality of welding seam, the chemical composition of weld metal is more strict. Therefore, the core is specially smelting, low carbon and silicon content, sulfur and phosphorus content is extremely low.2., the main role of the drug skin:Mechanical protection: use the gas released from the melting of the crust and form the slag to isolate the air to prevent harmful gases from invading the molten metal.Metallurgical treatment: place harmful impurities (such as oxygen, hydrogen, sulfur and phosphorus) and add useful alloy elements, so that the welding seam can meet the required chemical composition and mechanical requirements.To improve welding performance: to make the arc combustion stable, less spatter, good weld formation, easy to remove slag, etc..
- Q:Which prawns can help give an answer, all kinds of stainless steel electrode guarantee period is how long, this has specific standards can be found? Thank youThe best hope for friends to answer, you can attach the standard name.
- Stainless steel welding rod shelf life, good preservation for two years, do not damp. Stainless steel electrode can be divided into chromium stainless steel electrode and chromium nickel stainless steel electrode, these two kinds of welding rod in accordance with national standards, according to the national standard GB/T983-1995 examination. Chromium stainless steel has certain corrosion resistance (oxidizing acid, organic acid, cavitation erosion), heat resistance and corrosion resistance. It is usually chosen as power station, chemical, petroleum and other equipment materials. But chromium stainless steel generally weldability is poor, should pay attention to welding process, heat treatment conditions and choose the appropriate welding rod. Chromium nickel stainless steel electrode has good corrosion resistance and oxidation resistance. It is widely used in chemical, chemical fertilizer, petroleum and medical machinery manufacturing. In order to prevent intergranular corrosion due to heating, the welding current should not be too large, less than 20% of the carbon steel electrode, the arc should not be too long, the inter layer is cold, and the narrow welding bead is suitable.
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Low Carbon Mild Steel Welding Electrode High Quality and Low Price
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25000 kg
- Supply Capability:
- 25000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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