Tungsten Copper Bar W80

• Type: Tunsten Copper Alloy Bars
• Name: Tungsten Copper Alloy Bar
• Model Number: Cu 10-50%
• Application: for The High Pressure Switch Contac
• Electrodes Shape: Sheets/Plates
• Material: Copper Tungsten Alloy
• Model NO.: w80
• Alloy or Not: Is Alloy
• Cu Content (%): 10-50
• Chemical Composition: W(90-97)Nife/Cu and Other Chemic
• Density: 17~18.5
• Brand: Shibo
• Transport Package: in Wooden Box Wrapped Plastic Foam
• Specification: ISO9001: 2000
• Trademark: shibo
• Origin: Henan, China
• HS Code: 81019990
• Production Capacity: 1100tons/Year

Product Description

Specifications
1High arc resistance 
2.combined with good electrical conductivity 
3High thermal conductiveity 
4.Low thermal expansion
1.Specifications
tungsten copper alloy products 
Grade :WCu7 Wcu10 Wcu15 Wcu20 Wcu25 Wcu30 Wcu50 
size (0.1-50)*(50-1000)*Lmm GB/T3875-2006
Grade :WCu7 Wcu10 Wcu15 Wcu20 Wcu25 Wcu30 Wcu50

Material	Specification	Grade	Standards
Tungsten copper alloy plate	δ(0.1-50)*(50-1000)*Lmm	W1,W2	GB/T3875-2006 ASTM

2.chemical compsition

The element	Content	The element	Content
Fe	0.005	Ca	0.003
Ni	0.003	Mg	0.002
Cu	0.001	Mo	0.010
Al	0.002	P	0.001
Si	0.003	C	0.005

  3.Applications:
Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors
Electrodes in electric spark erosion cutting machines
Heat sinks as passive cooling elements of electronic devices
Electrodes for Resistance Welding
4.Advantages:
High arc resistance combined with good electrical conductivity
High thermal conductivity
Low thermal expansion.
Strong hardness(86~93.5HRA) 
resistance 
Used for EDM
5.Package details:

First, packaging with moisture-proof paper
Second, packaging with kraft paper
Third, packaging with foam plastics in all side of plywood case.
Finally packing products in plywood case 
6. Transportation:

Shipping goods by TNT,DHL,Fedex,UPS,EMS  etc. 
Transport goods to Beijing or Shanghai air port by air transportation