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CO2 Gas Shielded MIG Mag Welding Wire (AWS ER70S-6 Welding Wire)

CO2 Gas Shielded MIG Mag Welding Wire (AWS ER70S-6 Welding Wire)

Place of Origin : China
Brand Name : NOACH--wleding wire,MIG wire
Certification : BV COC SANCOP ISO CE CIQ AWS
Model Number : CO2 Gas Shielded Mig Mag Welding Wire (AWS A5.18 ER70S-6)
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CO2 Gas Shielded Mig Mag Welding Wire (AWS A5.18 ER70S-6)

CO2 Gas Shielded MIG Mag WeldingWire (AWS ER70S-6 Welding Wire)


1. Welding Wire ER70S-6 -- Main Characteristics:
A. Low welding costs.
B. High productivity and low electricity consumption.
C. Easy to operate. All-position welding.
D. Very low hydrogen content in the weld and lower nitrogen content. Excellent crack-resistance.
E. Little deformation after welding.
F. Wide applicability. Suitable for welding thin, medium and thick plates.


2. Welding Wire ER70S-6 -- Description:
ER70S-6 is a kind of mild steel copper coated welding wire, suitable for 100% CO2 and Argon& CO2 mixed gas protective welding with stable feasibility, good welding seams, less spatters and excellent welding process properties.

3. Welding Wire ER70S-6 -- Application:
Used to weld ship building steel(A, B, D, E, A36, D36, E36)and equivalent mild steel or 550Mpa grade mild alloy steel, such as container building, construction machine, railway construction, pressure vessel for semi-auto or automatic gas shielded welding.

4. Welding Wire ER70S-6 -- Conform with:
GB/T ER50-6 DIN SG2 JIS YGW12
AWS ER70S-6 BS A18 EN G3Si1

AWS A5.18 ER70S-6 CO2 mig welding wire

Quick details:

1. Type: CO2 wire/SG2 welding wire/ Mig wire/ GMAW wire

Solid welding wire/ Gas shielded welding wire

2. Raw material: MIld steel/ Carbon steel/ Qingdao steel wire

3. Surface--------Copper coated / copper clad

4. Application : Co2 shielded welding, welding of mild steel material,

Ship/bridge welding, Arc welding etc

5.Dia: 0.8 0.9 1.0 1.2 .6 2.0mm

6.Packing: 5Kg,15Kg 20kg spool, 100~350kg drum

7.Spool type: D270/D300 plastic spool, K300 Metal spool

8.Cer: ABS ISO CE GL BV NK LR CCS TUV DB ROHS

9.Confirm with:

GB/T ER50-6/ DIN SG2/ JIS YGW12

AWS ER70S-6/ BS A18/ EN G3Si1


MIG and Flux-Cored Wire


In Gas Metal Arc Welding (GMAW), you won't be using a stick electrode or a filler rod. Instead, everything you need to deposit a weld comes from a spool of metal wire. In this welding process, more popularly known as MIG, a tank of gas (typically CO2 or argon) provides the shielding while the wire melts into the base metal. Nowadays, it is the most common process for structural welding and product fabrication.

When a welder pulls the trigger on his MIG gun (shown below), a wirefeed machine advances the wire out through a brass nozzle. This allows for pinpoint accuracy and an unobstructed view of what's happening inside the joint. Welding out of position is a lot easier than with SMAW. And since the spool holds about a mile's worth of wire, you don't have to stop and reload very often. (The term MIG, incidentally, stands for "metal inert gas". However, since CO2 and O2 are reactive gases, it's more accurate to say MAG - metal active gas - when these gases are used.)


At any rate, there are two consumables in the GMAW process - the gas and the wire. Like stick electrodes, there's a classification system for MIG wire managed by the American Welding Society. The American Society of Mechanical Engineers also has a code, but it's nearly identical. The AWS code for solid steel wire is known as AWS A5.18. Here's what the classification number for a common wire for mild steel,

ER70S-6, indicates:

ER - Electric Rod

70 - This two or three-digit number represents the minimum tensile strength of the weld metal, measured in pounds per square inch (PSI) multiplied by 1,000.

S - Solid wire.

6 - This number (with sometimes a letter added) indicates chemical additives used in the wire which may effect the polarity setting on the machine.


The 6 in this case indicates more deoxidizers have been added to the wire, which is helpful when welding on dirty or rusty steel. The other general purpose carbon steel wire type is ER70S-3. This one doesn't have the added chemicals, so is used primarily on new or clean steel.


The most commonly used aluminum MIG wires are ER5056, a soft wire with good ductility, and ER5356, which is harder and has a high tensile strength.


Stainless steel MIG wire includes designations like ER308, ER316 and ER308-L. The L stands for low carbon, which provides extra corrosion resistance.


Once a wire type is determined for your welding equipment, two additional pieces of information are needed in order to purchase this consumeable. The first is the wire diameter, which is usually given in thousands of an inch. The most common sizes for welding sheet metal are 0.35 and 0.45. The table below is commonly found in consumeable spec sheets and is worth copying for reference. It tells you how to set the controls on your equipment and which gas you need, depending on the welding process.


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