Copper coated continuous or cut length solid wire for TIG/MIG welding.
CLASSIFICATION : AWS: SFA/A 5.18: ER70S-3
CHARACTERISTICS :
Copper coated solid mild steel welding 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 upto 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
TIG welding with Argon gas
CHEMICAL COMPOSITION % ( solid wire chemistry )
| C | Mn | Si | S | P | Cu |
| 0.06-0.15 | 0.90-1.40 | 0.45-0.75 | 0.035 Max | 0.025 Max | 0.50 Max |
ALL WELD MECHANICAL PROPERTIES FOR MIG ( UNDER CO2 GAS SHIELD )
| YS(N/mm²) | UTS(N/mm²) | EL % | CHARPY “V” NOTCHIMPACT AT |
| 420-510 | 510-660 | 22-30 | Minus 30°C : 80-100 Joules’ |
DIMENSION, CURRENT CONDITION & PACKING DATA (RAAJMIG S3)
| 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 | 70-220 | 16-24 | 10-20 |  |
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X |
| 1.20 | 0.047 | 150-300 | 24-34 | 15-25 | |
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DIMENSION, CURRENT CONDITION & PACKING DATA (RAAJTIG S3)
| 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” | 40-80 | 10-16 | |
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| 2.0 | 5/ 64” | 1000 | 36” | 50-100 | 12-18 | |
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| 2.4/ 2.5 | 3/ 32” | 1000 | 36” | 60-120 | 14-20 | |
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| 3.2 | 1/ 8” | 1000 | 36” | 100-150 | 16-24 | |
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| 4.0 | 5/ 32 | 1000 | 36” | 140-200 | 18-28 | |
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