Brass Welding Wire for construction filed

Brass Welding Wire for construction filed

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 500 m.t./month

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HZ-S221 is a kind of copper and zinc brazing alloy, and available for gaseous flame brazing, high frequency brazing, furnace brazing, resistance welding etc. HZ-S221 has good welding performance, and it is widely used for brazing of copper and copper alloy, steel, copper nickel alloy, gray cast iron, cemented carbide etc. It could replace H62 filler metal and be used as wire of brazing brass. HZ-S221 is a special brass brazing filler metal that contains tin and silicon. While tin improves fluidity, silicon controls evaporation of zinc, and eliminates gas hole to get an excellent welding process. Because of good corrosive and toughness, HZ-S221 is often used by surface welding worn parts of metal, such as bearing valve sealing surface, propeller. HZ-S221 brass wire should work together with copper gas welding flux when oxyacetylene gas brazing.

Item Number:HZ-S221

Chemical Composition (%):Cu 59-61, Sn 0.8-1.2, Si 0.15-0.35, Zn Remain,

Melting Point:890-905°C

Recommended Temp.:910-945°C

Advantages and Usage:For brazing copper and copper alloy, steel and cast iron in the method of flame brazing, furnace brazing and induction welding

Caution:1.The surface of oil and oxide on the work pieces should be cleansed carefully before brazing .

2. Preheat the work piece to 400 to 500°Cbefore brazing.

3. Matching flux should be used together when brazing.

4.Neutral flame or slight oxidizing flame could be used when flame welding. Appropriate decrease welding temperature, increase welding speed, reduce residence time of molten pool in high temperature to lessen the evaporation and oxidation of zinc.

Q:Will the weight change after the copper wire is burned?Is it heavy, light, or unchanging? What is the reason?: Will become heavier, because copper (Cu) combustion in the air will produce copper oxide (CuO), the quality will increase

Q:What's the difference between hard core copper wire and soft wire copper wire? Which is better?: Soft copper wire carrying capacity is greater than hard copper wire.In the same section, the surface area of the soft copper wire is much larger than the surface area of the hard copper wire. Because of the skin effect (when there is AC conductor with alternating current or alternating electromagnetic field inside the conductor, the uneven distribution of current, current in conductor "skin", that is to say the current focus on the appearance of the conductor layer is close to the conductor surface, the more current density phenomenon than hard line). The current carrying capacity of soft copper wire. In addition, the soft copper wire is better than hard copper wire because of its large surface area.

Q:What is the copper wire with melted welding welding method: When the flux of low melting point, called soldering, such as soldering; when the flux of high melting point, called brazing, such as brazing.

Q:What material is copper wire made of ammonia?: Is the cuprammonium rayon category, with superior wood pulp, cotton linter pulp as raw material, made of copper ammonia hydroxide dissolved in four {Cu (NH3) made of spinning solution of copper ammonia solution and copper complex salt solution composed of 4COH2}, mixed filtering and deaeration after spinning. With water as coagulation bath, water forming is in "funnel spinning"". Then, the cellulose is completely regenerated by acid bath, then washed, oiled and dried.

Q:Measuring the diameter of wire copper wire, which instrument has higher accuracy, what are the characteristics?: You can implement different parameter settings for the operating system and change the measurement method;The measurement value is visually displayed on the PC, so it is convenient to monitor the measurement process;The laser (wavelength 660nm) emitted from a semiconductor laser is used as a detection signal, which has strong anti-interference ability;The system has four additional output signals with a strong load capacity

Q:Why not use copper wire instead of stone pendant?: In order to strengthen the firmness of the stone slab, some construction units do not need to do the hanging, but copper wire

Q:What is the "Kang copper wire" on the circuit board of the induction cooker?: 1. Detect the change of the main circuit current through the current transformer, obtain the change voltage signal from the secondary of the current transformer, obtain the pulsating voltage signal through the rectifier and filter, and send it to the single chip microcomputer for testing.2, with sampling resistance of a series resistance of minimal resistance in 1GBT of the triode (here will change the constantan wire) potential of the operational amplifier into the microcontroller. This method has the advantages of low cost, is the main day after.

Q:Is there a black spot on the copper core of the Far East copper wire?: That's the copper wire inside the oxidation, and the requirements are not high, you can also use, this is not good quality control

Q:Copper wire welding craft, sailing boat production program, process results: Copper wire welding crafts, this you can choose the following program, I think it should be the most appropriate, but also the fastest, there should be no easier than this

Q:How to use copper wire lead and crochet Chuan Xingyue?: Be careful don't hand twist about the fine line a little hot hand burn thread is hard to directly through the minute is also used when wearing a crochet Buddha head with

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