GMAW Solid Wire AWS ER70S-6 CO2 Mig Welding Wire
High-quality gas metal arc welding wire designed for superior performance in various industrial applications.
APPLICATIONS
Used for welding 500MPa low alloy steel single and multi-pass welding; also for high speed thin plates, pipe line steel welding.
✓Oil Machinery
✓Heavy Crane Machinery
✓Pressure Vessels
✓Oil-Chemical Vessels
✓Ship Body
✓Construction Steel Structure
Suitable for manual welding, automatic welding and robot welding.
CHARACTERISTICS
This GMAW wire is for Rm 500MPa level carbon steel with shield gas of CO2 or M21.
- 🔹 Small spatter
- 🔹 Beautiful appearance
- 🔹 High deposition efficiency
- 🔹 Small weld metal porosity sensibility
Welding Positions: PA, PB, PC, PD, PE, PF (All positions suitable)
TECHNICAL SPECIFICATIONS
Chemical Composition of Welding Wire (%)
| Items |
C |
Mn |
Si |
S |
P |
Ni |
Cr |
Mo |
V |
Cu |
| Standard |
0.06-0.15 |
1.40-1.85 |
0.80-1.15 |
≤0.025 |
≤0.025 |
≤0.15 |
≤0.15 |
≤0.15 |
≤0.03 |
≤0.50 |
| Typical |
0.08 |
1.50 |
0.89 |
0.012 |
0.013 |
0.03 |
0.02 |
0.002 |
0.003 |
0.11 |
Mechanical Properties of Deposited Metal (CO2)
| Items |
Tensile strength Rm/MPa |
Yield strength Rel/Rp0.2 MPa |
Elongation A/% |
Charpy V-notch (J)-30℃ |
| Standard |
≥500 |
≥420 |
≥22 |
≥27 |
| Typical |
560 |
450 |
26 |
108 |
X-Ray Detection: Grade II
WELDING PARAMETERS
Welding Reference Current (DC +)
| Diameter (mm) |
0.8 |
1.0 |
1.2 |
1.6 |
| Welding Current (A) |
50-180 |
70-230 |
80-350 |
120-500 |
ATTENTION
1. The rust, oil, water and other impurities of the weld area must be removed before welding.
2. The mechanical properties of all weld metal be decided by heat input, normally the small heat input will better than larger one.
Frequently Asked Questions
What are the primary uses for AWS ER70S-6 welding wire?
It is primarily used for welding 500MPa low alloy steel, high-speed thin plates, and pipeline steel. It's common in construction, shipbuilding, and pressure vessel manufacturing.
Which shielding gases are compatible with this GMAW wire?
This wire is designed for use with CO2 or M21 (Argon + CO2) shielding gases.
Is this wire suitable for automated or robotic welding systems?
Yes, it is highly suitable for manual, automatic, and robotic welding due to its stable arc and consistent deposition.
What are the main advantages of using ER70S-6?
Key advantages include small spatter levels, excellent weld bead appearance, high deposition efficiency, and low porosity sensitivity.
What preparation is required before starting the welding process?
It is essential to remove all rust, oil, water, and other impurities from the weld area to ensure high-quality results.
How does heat input affect the weld quality?
The mechanical properties are significantly influenced by heat input; generally, smaller heat input results in better mechanical performance compared to larger heat input.
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