COPPER TUNGSTEN RWMA CLASS 10

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The Tungsten - Copper combination produces a dense, hard metal of superior wear resistance and strength at elevated temperatures. In addition, it possess good thermal and electrical conductivity. Suited for facings and inserts for projection welding electrodes & flash and butt welding electrodes where good electrical and thermal conductivity are necessary.

Item Name: Copper Tungsten, RWMA Class 10  
Amount of Tungsten: 55 %
Amount of Copper: 45 %
Shape: Bar
Discs
Inserts
Plate
Rod
RWMA (Resistance Welding Manufacturing Alliance) Class: Class 10
Principal Element: Cu, W
Minimum Hardness Rockwell (up to 1" dia.): HRB 72
Minimum Electrical Conductivity (% IACS Min): 45
ISO Certification: 9001:2015 (Registration # 10002745 QM15 Valid until 2021-08-21)
Reports: Certification of Compliance
Chemical Analysis
Final Inspection
Material Test Reports
Mechanical and Physical Testing: Elongation
Grain Size
Hardness
Tensile
Yield
Nondestructive Testing: Chemical Analysis
Conductivity
Liquid Penetrant
Ultrasonic
X-Ray
Alloy Applications Cross Reference Chart C15000 C18150 C18000 C18200 C17510 C17200 C15760
Axial Conductors X            
Back-up Electrodes X X X X X X X
Bushings X X X X X    
Caps & Shank X X X X X X X
Casting Wheels X X   X      
Casting Wheels and Dam Blocks     X   X X  
Centrifugal Casting Mold X X X X      
Circuit Breaker Parts X X   X     X
Collector Connector X X   X       
Collector Housing X X   X      
Connector Bar X X   X      
Connectors X X X X X   X
Connection Lead Bar X X   X      
Continuous Casting Molds X X X X X X  
Cross Wire Welding Electrodes & Components X X X X X X X
Damper Ring/Finger X X X X      
Dies & Fixtures X X X X X X  
Die Casting Pistons     X   X X  
Die Casting Plunger Tips     X   X X  
Electrode Holders & Adaptors X X X X X X  
Electrical & Mechanical Power Components X X X X X X X
Flash & Butt Welding Dies X X X X X X X
Flexible Connector X X   X      
Heat Flux Components X X X X X   X
Injection Blow Molds & Dies   X X X X X  
Joining Components X   X   X X X
Lead Conductor Bar X X   X      
Motor End Rings X X X X X    
Neutral Bus Bar X X   X      
Non-Sparking Applications   X X X X X  
Nut & Stud Welding Electrodes X X X X X X  
Performance Engine Components     X   X X  
Permanent Molds     X   X X X
Power Generation Products X X X X      
Power Semiconductor Bases X X   X      
Resistance Welding Electrodes X X X X X X  
Rotor Coil Bar X X   X      
Seam Weld Wheels X X X X X X  
Series Loop Segment X X   X      
Shafts X X X X X X  
Slip Rings X X   X      
Slot Wedge X X X X      
Snap Rings X X   X      
Special Nipple X X   X      
Terminal Box Connectors X X   X      
Threaded Electrodes X X X X X X  
Transmission Devices X X   X     X
Water Clip X X   X      
Wear Plates           X  
Welding Arms X X X X X X  
Welding Blocks X   X   X X  
Welding Connectors X X X X X X  
Welding Platens X X X X X X