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

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			X
1.20	0.047	150-300	24-34	15-25

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
2.0	5/ 64”	1000	36”	50-100	12-18
2.4/ 2.5	3/ 32”	1000	36”	60-120	14-20
3.2	1/ 8”	1000	36”	100-150	16-24
4.0	5/ 32	1000	36”	140-200	18-28

Raajratna offer a wide range of copper coated welding wires for MIG/TIG/SA welding.

Customer packing on request.