Copper coated continuous or cut length solid wire for TIG/MIG welding.
CLASSIFICATION : AWS : SFA/A 5.18 : ER70S-2
DIN 8559 SG1
CHARACTERISTICS : Copper coated Triple oxidized solid mild steel wire, smooth flow, stable arc and minimum spatter under optimum welding conditions. Gives radiographic quality welds.
APPLICATION : Suitable for welding structural steel, pressure vessels and boilers involving unalloyed and micro alloyed structural steels with specified tensile strength up to 520 N/mm2 to meet sub-zero impact requirements down to -51°C.
SHIELDING GAS : MIG welding with CO2 gas and Ar+ CO2 gas mixture TIG welding with Argon gas.
| C | Mn | Si | S | P | Cu |
| 0.070 max. | 0.90-1.40 | 0.40-0.70 | 0.035 Max | 0.025 Max | 0.50 Max |
| Ti | Zr | Al | |||
| 0.05-0.15 | 0.02-0.12 | 0.05-0.15 |
| YS (N/mm²) |
UTS (N/mm²) |
EL % | CHARPY “V” NOTCH IMPACT AT |
| 420 Min. | 510 Min. | 22.0 Min. | Minus 30°C : 27 J Min |
| Size(mm) | Size(inch) | Current Condition (DC+) | Voltage (V) | Gas Flow Rate L/min. | Spool packing 12.5 kg. | Spool packing 15 kg | Drum packing 100/200kg |
| 0.80 | 0.031 | 60-180 | 16-24 | 10-20 |  |
|
X |
| 1.20 | 0.047 | 120-300 | 24-34 | 15-25 | |
|
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| Size(mm) | Size(inch) | Length(mm) | Length (inch) | Current Condition(DC+) | Voltage(V) | Tube packing 5 kg | Box packing 20 kg |
| 1.60 | 1/ 16” | 1000 | 36” | 80-110 | 10-16 | |
|
| 2.0 | 5/ 64” | 1000 | 36” | 100-150 | 12-18 | |
|
| 2.4/ 2.5 | 3/ 32” | 1000 | 36” | 130-180 | 14-20 | |
|
| 3.2 | 1/ 8” | 1000 | 36” | 150-220 | 16-24 | |
|
| 4.0 | 5/ 32 | 1000 | 36” | 200-280 | 18-28 | |
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