Copper Alloy Bar used for Machinery Sectors

Copper Alloy Bar used for Machinery Sectors

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 kg

Supply Capability:: 10000 kg/month

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Product: High Purity High Density Copper Alloy Bar

Type: T2, TU1, TU2, TP2

High Purity High Density Copper Alloy Bar specification

Type	Cu%(WT)	W%(WT)	RWMA	Density	E-conductivity(Min)		heat conduction	thermal expensivity
			Class	(Min)		Hardness	((W/mK))
						(Min)
CuW55	45±2	Balance	10	12.30g/cm3	49%IACS	125HB	~260	~11.7(10-6/K)
CuW60	40±2	Balance		12.75g/cm3	47%IACS	140HB
CuW65	35±2	Balance		3.30g/cm3	44%IACS	155HB
CuW70	30±2	Balance		13.80g/cm3	42%IACS	175HB	~240	~9.7(10-6/K)
CuW75	25±2	Balance	11	14.50g/cm3	38%IACS	195HB	200~230	9.0~9.5 (10-6/K)
CuW80	20±2	Balance	12	15.15g/cm3	34%IACS	220HB	190~210	8.0~8.5 (10-6/K)
CuW85	15±2	Balance		15.90g/cm3	30%IACS	240HB	180~200	7.0~7.5(10-6/K)

High Purity High Density Copper Alloy Bar Application:

Produced by low-vacuum copper smelting casting technology with its intellectual property right; high density and high purity product with low hydrogen and oxygen content, usually processed into copper products of various shapes and widely applied in steelmaking, electric power, shipbuilding, and machinery sectors

Q: In the reaction of hydrogen gas with aqueous copper (II) sulfate for from copper metal and sulfuric acid,which element is reduced? Which is oxidized?Hydrogencoppersulfuroxygen: Copper (II) ion --> Copper atom Cu^2+ --> Cu The oxidation number changed from +2 to 0, thus copper (II) ion is reduced. Hydrogen gas --> Hydrogen ion H2 --> 2 H^+ The oxidation number changed from 0 to +1, thus hydrogen molecule is oxidized. *Sulphate ion, SO4^2-(Sulphur and oxygen) didn't went through any changes, thus didn't undergoes redox. (oxidation/reduction)

Q: I cleaned a thick copper bracelet I have with salt and lemon juice, based on what I read on the web. I then washed the solution off with soapy water. Not only did it oxidize with a vengeance, but now there is a whitish, rainbowish tone on certain areas of the bracelet.Why did this whitish tone get on the copper? How do I get rid of it and clean the copper corectly.I would appreciate informed answers only, from people who have actually USED the method they are suggesting... I can do a web search myself, I need to hear people's experience!: Pure copper, as it comes out of the tank, is actually an odd, almost pink, colour. The familiar tone only appears after it has been exposed to air, particularly during the polishing process. Organic acids, lemon juice or vinegar, are great for getting rid of the typical green/black corrosion products, but not for giving you the finish you want. The only success I've had was by using vinegar, washing it of under the tap, drying it as quickly as possible and then using a commercial metal polish. Even then, it is hard work to get a good finish and unless you are prepared to lacquer it, you need to wait a day or two before you see the end result.

Q: I'm doing a science project and I need to know the scientific explanation of how vinegar and salt affect copper pennies.: idk

Q: what is it used for and why is copper important Thanks: It makes lots of pennies for one

Q: 5/8 straight pipe,hot water.: You would have to dig it up to expose the pipe, then just like an above ground pipe you cut out the broken section, cut a piece of new pipe, sweat a coupling on one end and use a repair coupling (no stops) on the other end to complete the repair.

Q: A. Zinc SulphateB. Copper sulphateC. Sulphuric AcidD. Copper Oxide: B. Copper sulphate Zinc rods are called sacrificial anodes because they lose electrons readily and go into ionic form of zinc called Zn+2 ions. So when copper is plated out as copper metal from the copper sulphate solution, the copper is replaced by zinc ions until the solution is depleted

Q: copper is over 3.4ppm: use a serquestering agent...metal free my natural chemestry. if you have a heater then thats probably where the copper came from. if your ph remains low for a while you heat exchanger in ur heater will start breaking down

Q: Why does Copper Sulfate help plants to grow? I put Copper Sulfate in a radish seed and 50% of the seed grew but why is this?: Copper sulphate was actually used as a herbicide, used to kill weeds. Copper is needed for many enzymes, but high doses are toxic.

Q: I have a small leak under the bath at the hot water copper pipe. It is small but I do not like to leaveit as in first floor flat. A plummer came and said he had hoped he had fixed it and that it was verydifficult to get at. However it is still a small leak. Would the bath have to be taken out to fix it orsomething big like that, which I would not want of course. The bathroom basin is very near the bathso that makes it harder to get at the pipe maybe. Am I going to have a big problem here. Any plummers to advise me please. Most grateful. Thanks so much. I live in Shefford Bedfordshire. Is there a brillant plummer there or joke a very slim one who is agile and can slide under a difficultarea e.g. my difficult to get at pipes under bath.: did you install it right? did you disconnect the battery to reset the comp?