C18150 Chromium Zirconium

TYPICAL USES

Consumer
Pencil-type & light soldering guns: tips, rod extensions

Electrical
Resistance welding electrodes

 

 

MINIMUM PHYSICAL PROPERTIES FOR RWMA CLASS 2 COPPER

GROUP A COPPER BASE ALLOYS

HARDNESS ROCKWELL CONDUCTIVITY % I.A.C.S. YIELD STRENGTH ksi (TYPICAL) ULTIMATE  TENSILE STRENTH  (TYPICAL) ELONGATION % *(TYPICAL)
SIZE RANGE IN   MM  CLASS 2 CLASS 2 CLASS 2 CLASS 2 CLASS 2
DIAMETER -ROUND STOCK (COLD WORKED)
UP TO 1" UP TO 22 75 HRB 75% 55 65 13%
OVER 1" TO 2" OVER 25 TO 51 70 HRB 75% 55 59 13%
OVER 2" TO 3" OVER 51 TO 76 65 HRB 75% 55 55 13%
THICKNESS -SQUARE, RECATANGLE AND HEXAGONAL BAR STOCK (COLD WORKED)
UPT TO 1" UP TO 25 70 HRB 75% 45 65 13%
OVER 1" OVER 25 65 HRB 75% 40 55 13%
           
THICKNESS - FORGINGS 
UP TO 1" UP TO 25 65 HRB 75% 45 55 13%
OVER 1" TO 2" OVER 25 TO 51 65 HRB 75% 45 55 13%
OVER 2" OVER 51 65 HRB 75% 40 55

13%

CASTINGS
ALL ALL 55 HRB 70% 20 45 12%

CHEMICAL COMPOSITION

(%max., unless shown as range or min.)
   Cu Cr Zr
 Min./Max. Rem. .50-1.5 .02-.20
Nominal 98.9 1.0 .11