Spotwelding Consultants
Supplies
Copper Tungsten (Elkonite®)
Glidcop® Copper
Electrodes, Holders, Force Gauges, & Acc.
RWMA Alloy Class 2, 3, and 110 Bar Stock
Electrode Dressing Blades and Pneumatic Dresser
Seam Weld Wheels
Air Cooled Jumper
Cables
Water Cooled Jumper
Cables
Laminated Copper Shunts
Kickless Cables
 
 

Spot Welding Supplies - Seam Welding Wheels - Resistance Welding Alloys

Products: Wheels, Plate, Bar

Processes: Forged and head treated only, or machined-to-print

Availability: In stock, or produced and delivered in 3 weeks or less

CDA

RWMA

PRINCIPAL ELEMENTS

ROCKWELL
HARDNESS

ELECTRICAL
CONDUCTIVITY
% I.A.C.S.
C18200
C18150		 Class 2  Chrome Copper
 Chrome Copper (Premium)
 Chrome Zirconium Copper		 HRB 65
HRB 75
HRB 65		 75
75
75
C17510
 C18000*		 Class 3  1/2% Beryllium Copper
 Copper-Nickel-Silicon-Chrome		 HRB 90
HRB 90		 45
45
C17200 Class 4  2% Beryllium Copper HRC 36 20
* Generic Ampco 940

Class 2 Recommended for spot and seam welding cold and hot-rolled steel, stainless steel and low conductivity brass and bronze.
Class 2 premium Recommended for Class 2 applications requiring higher pressures.
Class 3 Recommended for spot and seam welding stainless steel, nichrome, monel and high temperature, heat-resisting alloys requiring high weld forces.
Class 4 Recommended for applications requiring extreme high welding forces, where wear is severe, but heat is not excessive.


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