|  | | OK Tigrod 19.49 GTAW
 
 
 Welding current, A
 DC(-)
 
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 | Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal |  | | SFA/AWS A5.7 |  | ERCuNi |  | EN 14640 |  | S Cu 7158 (CuNi30) | 
 |  | | C | <0,05 |  | Si | <0,1 |  | Mn | 0,8 |  | Fe | 0,6 |  | Cu | bal. |  | P | ³0,01 |  | S | ³0,01 |  | Ni | 31,0 |  | Al | ³0,03 |  | Pb | 0,007 |  | Ti+ |  |  | Nb | 0,35 |  |  |  |  | Wire composition | 
 | Yield stress, MPa 180
 Tensile strength, MPa
 350
 Elongation, %
 40
 Elongation, %
 40
 
 | Charpy V |  | Test temps, °C | Impact values, J |  | +20 | 90 | 
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 | Diameter, mm | 1,6 | 2,0 | 2,4 |  | Length, mm | 1000 | 1000 | 1000 |  | Weight of rods/box, kg | 5 | 5 | 5 | 
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