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RAAJMIG-S3 (AWS A5.18 ER70S-3)

Product Specification

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


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” NOTCH
IMPACT 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 right right X
1.20 0.047 150-300 24-34 15-25 right right right
 

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 right right
2.0 5/ 64” 1000 36” 50-100 12-18 right right
2.4/ 2.5 3/ 32” 1000 36” 60-120 14-20 right right
3.2 1/ 8” 1000 36” 100-150 16-24 right right
4.0 5/ 32 1000 36” 140-200 18-28 right right
Raajratna offer a wide range of copper coated welding wires for MIG/TIG/SA welding.

 

Customer packing on request.

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