COPR-TRODE 

Description and Application

COPR-TRODE is a deoxidized copper alloy developed to provide dense, high quality deposits with relatively high electrical conductivity for use in joining and overlay with the inert-gas processes. COPR-TRODE spooled wire and filler metal rod are used primarily to fabricate deoxidized copper and repair weld copper castings with the gas metal-arc and gas tungsten-arc processes. It may also be used to weld galvanized steel where high strength joints are not required. COPR-TRODE spooled wire and filler metal rod are used to overlay surfaces to resist corrosion.

Limiting Chemical Composition,

% (filler metal)

Copper......................................................98.0 min.

Tin.............................................................1.0 max.

Magganeses..............................................0.50 max.

Silicon.......................................................0.50 max.

Phosohorus...............................................0.15 max.

Others......................................................0.50 max.

*including silver

Mechanical Properties 

(nominal all-weld metal values)

Tensile Strength, ksi..............................29(200 MPa)

Yield Strength, ksi.....................................8(55 MPa)

Elongation, % in 2" (51 mm)................................29

Reduction of area, %...........................................45

BHN (500kg.)

1/4" (6.4 mm) deposit..........................................54

Electrical Conductivity, % IACS.............................40

Specifications

AWS A5.6 Class ERCu