W-Cu Contacts for SF6 Switchgear

Product Detail

W-Cu Contacts for SF6 switchgear

CuW material has good performance of withstand voltage and anti-arc ablation. The materials are most widely used as various types of switch arc contacts. Our company has adopted vacuum infiltration technology to produce copper tungsten arcing  contacts.. And we can supply 200,000 pieces to the market yearly.




1.The chemical composition and properties  

Material	Chemical  Compositions (wt%)			Mechanical  Properties
	Cu	Oxygen	Nitrogen	Hardness HB  (Mpa)	Density (g/cm3)	Electrical  Conductivity (Ms/m)	Flexural  Strength (Mpa)
CuW60	40±2	——	——	=140	=12.75	=27	——
CuW70	30±2	——	——	=175	=13.80	=24.4	=790
CuW80	20±2	——	——	=220	=15.15	=22	=980
CuW90	10±2	0.0050	0.0008	=260	=16.75	=20	=1160







2. main material:CuW80+Cu,CuW70+Cu,CuCuW75+Cu, CuW80+CuCr1,CuW70+CuCr1,CuCuW75+CuCr1



3. W-Cu Contacts for SF6 switchgear can be customized   according to special design.

4. Samples can be offered.