OK Tigrod 19.12 GTAW
ERCu
Description
Bare copper wire for the GTA joining of oxygenfree,
pure copper and low-alloyed copper.
OK Tigrod 19.12 is alloyed with tin and has good
flow properties. Preheating is recommended
when welding large pieces. OK Tigrod 19.12 is
normally welded with pure Ar as the shielding
gas.
Welding current
DC
Classifications
SFA/AWS A5.7 ERCu
EN 14640 S Cu 1898
Wire composition
Si Mn Cu Sn
0.3 0.3 >98.0 0.8
Typical mech. properties all weld metal
Yield stress, MPa 75
Tensile strength, MPa 220
Elongation, % 30
Charpy V
Test temps, °C Impact values, J
+20 75
-20 40
Approvals
Packing data
Diameter, mm Length, mm
Weight of
rods/box, kg
1.6 1000 5
2.0 1000 5
2.4 1000 5