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Submerged Arc Welding Wire Submerged Arc Welding Wire


Submerged Arc Welding Wire

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ER70S-6 Gas Shielded Welding Wire 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.
When welding, the welding wire has fast melting speed, stable arc, less welding spatter, beautiful weld bead formation, strong anti-oxidation and corrosion resistance, low sensitivity of cladding metal pores, and good all-position welding process.
Uses: used in large-scale hydraulic steel structures, ships, power stations, boilers and pressure vessels, petrochemicals.
  • 1.6mm-5.0mm

  • KYA


arc welding wire

Submerged Arc Welding Wire

● Superior feedability and excellent arc characteristics

● Made up of carbon steel and low -alloy steel

● Characterized with the execllent welding performance.

● Stable feeding, and beautiful welding seam 

● Relatively moderate welding smoke and splash,

● With liquidity and crack resistance rather superior.

● The welding slag will be thin and easy to be peeled off

● The welding seam holds high tensile strength and excellent low-temperature impact resistance performance.

● Applied for all-position welding and a larger current range.

Chemical composition of wires (%):  (AWS EL8)

C Mn Si S P Cu
Welding wires 0.070 0.4 0.018 0.011 0.014 0.10
Deposited metals 0.058 0.86 0.580 0.015 0.024 0.06

Typical mechanical properties of deposited metal :

Tensile Strength
Yield Strength
AKV Impact value
Standard values 415~550 ≥330 ≥22 ≥27
Sample values 470 365 30 60


1. The wires must be stocked in dry circumstances. Don't open the dampproof package of spools to avoid rust.

2. Before welding, rust, oil, water and impurities are to be cleared from the welded surfaces of workplaces.

arc welding wire

Welding Wire Features

Gas Shielded Welding Wire ER70S-6 -- Main Characteristics:

1. Low welding costs.

2. High productivity and low electricity consumption.

3. Easy to operate. All-position welding.

4. Very low hydrogen content in the weld and lower nitrogen content. Excellent crack-resistance.

5. Little deformation after welding.

6. Wide applicability. Suitable for welding thin, medium and thick plates.

Basic Chemical Compositions of Welding Wire:

     C Mn Si P S Ni Cr Cu V
0.08 1.51 0.89 0.015 0.013 0.016 0.021 0.18 0.003

Mechanical Properties of Welding Wire:

Tensile strength Rm(Mpa) Yield strength Rel or Rp0.2(Mpa) Elongation(%) Ballistic work(J) Test Temp. Shielding Gas
545 452 29 91 -30ºC CO2

Shielding Gas:CO2/ Ar+ 5%CO2/ Ar+2%O2

Welding Wire Diameter and Reference Voltage and Current:
Welding Wire Diameter 0.8mm 1.0mm 1.2mm 1.6mm
Welding Current 50~120A 70~180A 80~350A 140~500A
Welding Voltage 15~22V 18~24V 18~34V 20~42V
Reference Current 100A 150A 280A 350A

er70s 6 welding wire 0.035


Widely used in the steel structure welding 

√ coal mine machinery,

√ ships,

√ engineering machinery,

√ bridges,

√ pressure vessels,

√ building construction

er70s 6 welding wire

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