Copper Tungsten Electrical Contact

Copper Tungsten alloys are used for high heat resistance, high electrical and/or thermal conductivity, and low thermal expansion are needed. Some of the applications are in electric resistance welding, as electrical contacts, and as heat sinks. As contact material the alloy is resistant to erosion by electric arc. WCu alloys are also used in electrodes for electrical discharge machining and electro-chemical machining.

Model: Customized
Brand: FOTMA
Material Grade: W50Cu50, W70Cu30, W80Cu20 etc.
Surface Condition: Machined
Production Method: Infiltration
Applications: Electrical Contacts

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Product Description

Copper Tungsten alloys are used for high heat resistance, high electrical and/or thermal conductivity, and low thermal expansion are needed. Some of the applications are in electric resistance welding, as electrical contacts, and as heat sinks. As contact material the alloy is resistant to erosion by electric arc. WCu alloys are also used in electrodes for electrical discharge machining and electro-chemical machining.

Advantages of Copper Tungsten Alloy:

1. Better heat resistant;
2. Better ablate-resistant;
3. High intensity
4. High density;
5. Excellent thermal and electrical conductivity;
6. Easy to be machined.

Code No.	Chemical Composition %			Mechanical properties
	CU	Impurity	W	Density		RES( cm)
				(g/cm 3 )	Hardness		Conductivity	TRS/ Mpa
					HB		IACS/ %

CuW(50)	50 + 2.0	0.5	Balance	11.85	115	3.2	54
CuW(55)	45 +	0.5	Balance	12.3	125	3.5	49
CuW(55)	2	0.5	Balance	12.3	125	3.5	49
CuW(60)	40 + 2.0	0.5	Balance	12.75	140	3.7	47
CuW(65)	35 + 2.0	0.5	Balance	13.3	155	3.9	44
CuW(70)	30 + 2.0	0.5	Balance	13.8	175	4.1	42	790
CuW(75)	25 + 2.0	0.5	Balance	14.5	195	4.5	38	885
CuW(80)	20 + 2.0	0.5	Balance	15.15	220	5	34	980
CuW(85)	15 + 2.0	0.5	Balance	15.9	240	5.7	30	1080
CuW(90)	10 + 2.0	0.5	Balance	16.75	260	6.5	27	1160

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copper tungsten tungsten copper copper tungsten contact tungsten copper contact electrical contact

Copper Tungsten Electrical Contact

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