Welding Wire for Adrasive Wear

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100 Rolls roll
Supply Capability:
10000 Rolls per Month roll/month

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Product Description:

 

Applications of Welding Wire:

 

Hardsurfacing of blower , screw , conveyor , mixer blades , speed-mullers etc.

 

Characteristics of Welding Wire:

 

MT-FZ30 deposits weld metal of high-Cr cast iron which contains a large amount of chromium- carbide.

 

The weld metal is suitable for wear-, heat-, and corrosive-resistant.

 

Note on Welding Operation

1.    The welding machine for solid wire is applicable.

2.    Pay attention to the adjustment of the feeding roller , because rigidity of MT-FZ30 is a little soft compared with the solid wire.

 

Chemical Composition Range (%)

 

 High C , Cr , Mo(Austenite structure containing carbides)

 

Typical Hardness of Welded Metal (as welded)

 

 HV:850 ~ 950

 

Optimum Welding Condition (DC +)

 

Wire Diameter

mm

Welding Current

A

Extension length

mm

Shielding Gas

1.2

180~220

20~25

CO2

1.6

230~300

20~25

CO2

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Q:What kind of welding rod does Q345A board use?
Yes, it does matter. Using J507. Because they are all in the 50 kilogram class.
Q:What are the welding electrodes?
The utility model relates to an electric welding rod, which belongs to hardware engineering consumption equipment. Welding rod is listed as "manufacturing industry" in the industry classification standard of People's Republic of China: other metal products are manufactured.Brief introduction of electric welding strip:The electrode consists of two cores and coating composition. The electrode is coating in metal welding core (coating), uniform centripetal pressure applied to core. The electrode of different types, different cores. 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.
Q:Does the welding rod have a shelf life?
This does not necessarily depend on your preservation of the environment and the variety of electrodes, and some electrodes have been preserved for more than ten years, the use of performance is still very good. As long as it is not damp and the skin falls off, it can continue to be used.Material shelf life is not strictly required, the pressure vessel required if more than one year, should carry on the inspection, inspection qualified can continue to use, every year to conduct a test, you can still continue to use qualified.If the welding pool conditions, welding save no moisture, no deterioration, after inspection and acceptance, can still be used.If not assured, you can downgrade to adopt. There is not willing to do more information (welding rod to continue inspection of qualified data), can also be downgraded. Other industries, did not see the relevant standards requirements.Our welding wire has been produced in Japan in 1949. The welding rod has been produced in Japan in 60s and 70s. It has been well preserved. Now the chemical field inspection and maintenance are still in use. The effect is very good and the quality is not a problem.
Q:In the pipe welding, a welding rod welding in the replacement of an electrode should be how to deal with joints?
Pipeline welding joints, is most in need of careful treatment, whether it is single channel multi pass welding or welding, the joint processing is not good, there may be slag, poor fusion welding defects such as weld, resulting in leakage after completion of pressure test;There are two kinds of joint methods after replacing electrode:1 、 hot connection:After stopping quickly changed new electrode, is the ability to remain in the state at the arc, immediately from the pool in front of the arc and the arc pulled at the arc with the rapid arc even (horizontal zigzag) welding, welding to weld arc hole under pressure, a when arc melting groove blunt edge "puff" sound, immediately moved into normal welding method of welding;The main point is to replace the welding rod, the action should be quick, and the joint must be skilled and flexible. It is a commonly used joint method in welding production.2, cold connection:Cited the joint of the slag shall be clean at the arc arc, too high or have evidence to grinding in the gentle slope, and then from the original crater 10mm arc, with long arc slightly preheated with arc welding to the horizontal swing forward arc pit, arc under pressure, when the arc breakdown root hair a "Puff" sound after welding can be transferred to normal.Cold joint advantage is not good when the arc weld (with shrinkage or welding meat too thick), can eliminate the defects and grinding, thin joints, easy to ensure the welding quality; the difficulty is small heat connection; drawback is not as efficient as the thermal connection is high, especially not allowed in grinding joints, (such as skills competition) should not be used this method.
Q:304 can I use A132 welding rod?
The reason for this failure is that, in addition to reaching the parent material, such as the parent material, the toughness of the weld zone is sometimes considered, but the performance of the material is reduced by the high strength. Can also be said to be low allocation.
Q:What are the grades or models of commonly used electrodes?
Commonly used electrode modelClassification of arc welding electrodesclassification methodClass namePower typeCharacteristic letters and expressionsClassification of ingredients according to the formulaUnshapedNot specifiedTitania typeAlternating current and direct currentCalcium titaniumAlternating current and direct currentIlmenite typeAlternating current and direct currentFerric oxideAlternating current and direct currentCellulose typeAlternating current and direct currentLow hydrogen potassium typeAlternating current and direct currentLow hydrogen sodium typeDirectGraphite mouldAlternating current and direct currentBase typeDirectClassification of slag acidity and basicityAcid welding rodBasic electrodeClassification by electrode usagecovered electrode for structural steelJ * x *Molybdenum and chromium molybdenum heat resistant steel welding rodR * x *Stainless steel electrodeG * x *A * x *Surfacing electrodeD * x *Low temperature steel electrodeW * x *Cast iron welding rodZ * x *covered electrode for nickel and nickel alloyNi * x *covered electrode for copper and copper alloyT * x *Aluminium and aluminium alloy welding rodL * x *Special electrodeTS * x *Classification of welding rod propertiesUltra low hydrogen electrodeLow dust and low toxic electrodeVertical down electrodeBottom electrodeIron powder high efficiency welding rodTide resisting welding rodSubmerged electrodeGravity welding rodWelding rod
Q:What type of welding rod is needed for the construction of three grade steel bars used in construction?
Three grade steel is welded with J502 (E5002) structural steel electrode, and AC DC welder can.Three rebar: the new standard name for HRB400 steel, three steel for the old, as a kind of hot rolled ribbed bar. In construction, three - grade rebar is called the past.The steel manufacturers in China are mainly distributed in the north and northeast, North China, Tang Gang, such as Shougang steel, bearing steel, Shanxi steel, Baoding iron and steel Zhongyang Puri, northeast regions such as northern Taiwan, Fushun Steel resistant, etc., these two regions accounted for more than 50% of the total output of thread steel.The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction. The rebar is a kind of small section steel, mainly used for the skeleton of reinforced concrete construction members. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
Q:Is the resistance of welding electrode large?I don't know much about welding. I want to know the general resistance of welding electrode. I also want to know the difference between welding and sub arc welding
No, it can be very small!The core of the electrode is made of good conductive material. The solder around the core is a poorly conductive material.Welding is the use of contact resistance between the electrode and the workpiece is larger, so the heat is larger, the solder, cores and workpiece partial melting, achieve the purpose of welding.
Q:T107 purple copper electrode welding with what
The arc welding of AC welding machine is unstable using inverter direct current welder.Instrument introductionInverter DC welderInverter direct current welding machine is a kind of high-efficiency energy-saving welding machine developed on the basis of absorbing the same advanced technology internationally. The inverter direct current welding machine adopts imported famous brand IGBT module and advanced inverter technology. It has fast dynamic response, easy arc starting, stable current, small welding spatter and beautiful weld formation. It has the functions of preset current presetting, arc striking current and thrust current adjustment, so that welding operation is easier. The automatic compensation of the power network and the protection function of over current, over voltage, under voltage and over heating make the welder more safe and reliable.Inverter direct current welding machine is a kind of high-efficiency energy-saving welding machine developed on the basis of absorbing the same advanced technology internationally. The inverter direct current welding machine adopts imported famous brand IGBT module and advanced inverter technology. It has fast dynamic response, easy arc starting, stable current, small welding spatter and beautiful weld formation. It has the functions of preset current presetting, arc striking current and thrust current adjustment, so that welding operation is easier. The automatic compensation of the power network and the protection function of over current, over voltage, under voltage and over heating make the welder more safe and reliable.Characteristics of invert DC welder;Small volume, light weight, easy to move, is suitable for various kinds of electrode for all position welding, welding has been widely used in oil pipelines, chemical industry, electric power construction, boilers, containers, machinery, automobile, shipbuilding, bridges, military, aviation and other industries.
Q:What steel electrodes are used (I'm a beginner's welder)?
Oh, many kinds of electrodes, series. Just now, the variety is many, who can help you enumerate one by one, I suggest you read the book yourself, is a beginner welder, more should contact some book knowledge, can save a lot of things
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