Flux-cored Soldering Wire E7T-1 Made in China Ship Building Use

Flux-cored Soldering Wire E7T-1 Made in China Ship Building Use System 1

Flux-cored Soldering Wire E7T-1 Made in China Ship Building Use

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 10000000 m.t./month

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1.Application of welding electrode:

The welding electrode E6013 is widely used on both AC and DC in all positions and suitably for welding sheet metal structure made of low-carbon steel, such as ships, vehicles, building, and general machinery.

Used for welding structures made of carbon steel and low-alloy structural steel with tensile strength higher than or equal to 490MPa. Most widely used for welding some key structures like shipbuilding, mechanical manufacture, pressure vessels, boilers, petroleum machinery, chemical machinery, hoisting machinery, etc.

2.General Packaging:

Size: 2.5MM X 300MM (Packing: 2.5kg/inner boxes 8boxes/cartons=20kg)

Size: 3.2MM X 350MM (Packing: 5.0kg/inner boxes 4boxes/cartons=20kg)

Size: 4.0MM X 400MM (Packing: 5.0kg/inner boxes 4boxes/cartons=20kg)

3.The chemical analysis of deposited metal(%):

Chemcal analysis	C	Si	Mn	P	S
Typical	0.06	0.44	1.42	0.015	0.010
Specification	≤0.18	≤0.90	≤1.75	≤0.03	≤0.03

Mechanical properties of deposited metal:

Mechanical properties	Yield point (Mpa)	Tensile Strength (Mpa)	Elongation (%)	Charpy V-notch Impact Value(J)
Typical	551	598	30	-20°C	119
Specification	≥375	490-660	≥22	47

Mechanical properties

Yield point

(Mpa)

Tensile Strength

(Mpa)

Elongation

(%)

Charpy V-notch

Impact Value(J)

Typical

551

598

-20°C

119

Specification

≥375

490-660

≥22

Welding detais:

Diameter		1.2mm	1.4mm	1.6mm
Welding Current (A)	Flat welding	120-300	160-400	190-450
	Flat fillet welding	120-300	460-350	190-400
	Horizontal welding	120-280	150-320	180-350
	Verticaldownwelding,overhead welding	120-60	160-320	180-280
	Vertical down welding	200-300	220-320	250-300

4.Welding electrode image:

Flux-cored Soldering Wire E7T-1 Made in China Ship Building Use

5.FAQ:

We have organized several common questions for our clients，may help you sincerely：

①How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products？

We have established the international advanced quality management system every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

Q:What kind of welding rod used for cast steel?: Layman questions must be answered in large vernacularCast steel can be considered as rolled steel of the same grade.Will the steel rod be selected?

Q:How many kinds of welding rod do you have?: The electrode use is divided into 9 types: structural steel electrode (including carbon steel and alloy steel), molybdenum and chromium molybdenum steel electrode, stainless steel electrode, welding electrodes, low temperature steel electrodes, cast iron electrode, nickel and nickel alloy electrode, copper and copper alloy rods, aluminum and Aluminum Alloy electrode.

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.

Q:Please tell me the current corresponding to various types of welding electrodes in detail!: Empirical formula for welding current and electrode diameter: I=dk I--- welding current (A); d--- electrode diameter (mm); k--- empirical coefficient (30~50)Welding current of phi 2.5 electrode is 50A ~ 80AWelding current of phi 3.2 electrode is 100A ~ 130AWelding current of phi 4 electrode is 160A ~ 200AMore than 4 of the diameter welding current is 200A ~ 250A

Q:Why can DC welding machine weld any electrode?: Direct current, especially the direct current produced by the inverter DC welding machine, is relative to the power frequency AC welding machine. The arc is stable, the spatter is very small, and the arc is not easy to break. The welding parameters have almost no fluctuation under the influence of input voltage. Three phase welding machine also supports thrust current, hot arc ignition function. It can avoid sticking electrode when arc welding with basic electrode. If there is no frequency exchange of AC, it is difficult to weld slag hole. A metal with a high sensitivity to carbon is not susceptible to cracks in heat sensitive metals.Basic electrode J426 J506 can be AC DC welder dual-use. These two kinds of welding rod contain arc stabilizer. However, from the quality of welding, DC welding machine is much better quality than AC welder.

Q:In addition, when the basic electrode is DCEP welding, the hydrogen content is lower than that of DCEN?: 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:Don't long winded, concise, thank you!: First, the ordinary electrode is arc welding, is the direct consumption of materials in welding, is to rely on the skin to melt molten steel, not to be oxidized welding. Is the use of tungsten electrode argon arc welding, tungsten materials, prevent oxidation in protecting gas under high temperature, using current tungsten electrode welding wire and the material will be melted, the theory of tungsten consumption is minimal.Two and two kinds of materials are two kinds of welding methods. The arc welding is made with an electric welding rod, while the tungsten electrode is used in argon arc welding, but the tungsten electrode is only the electrode. The arc welding and the welding electrode act the same as the welding wire.

Q:How much current does 4 of welding rod use?: You ask more generalWelding rod arc welding barIn general, the electrode is selected according to the thickness of the workpiece and the form of assemblyAfter the electrode is selected, the current is determined according to the diameter of the welding rod2.5 electrodes generally 75~903.2 electrodes generally 110~1404 electrodes generally 160~190This is a generally flat position

Q:Can plastic welding rod weld PVC?: No, the plastic electrode is pe. The difference is that the two kinds of plastic do not get together

Q:What kind of welding rod is A137?: A indicates austenite, which is austenitic stainless steel electrode!

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