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TKweld presents a reliable line of Mig welding wire designed for everyday shop work and demanding industrial jobs alike. Our CO2-compatible ER70S-6 welding wire comes in three popular diameters—0.8mm, 1.0mm, and 1.2mm—so you can pick the size that best fits your machine and the projects you tackle. Built to deliver steady feeding, clean arc starts, and consistent bead appearance, TKweld welding wire helps you get the job done right with less fuss.
Consistent Quality for Smooth Welding
TKweld ER70S-6 wire is manufactured to tight tolerances to ensure roundness and uniform diameter. That means fewer feeding problems, fewer line clogs, and a steady, reliable arc every time you pull the trigger. The controlled chemistry and low surface contaminants result in minimal spatter and fewer interruptions for cleanup, saving time and improving finish quality. Whether you are working on thin sheet metal or thicker structural pieces, the consistent wire quality helps produce predictable results.
Available Diameters for Versatile Use
- 0.8mm: Ideal for thin gauge metal, auto body repair, and light fabrication where you need a smaller, responsive wire for low current work. The 0.8mm option provides better control at lower amps and reduces the chance of burn-through.
- 1.0mm: A great all-around size for general welding tasks. This diameter balances deposition rate and control, making it suitable for medium-thickness plates, general fabrication, and routine repair jobs.
- 1.2mm: Designed for higher deposition and faster welding on thicker materials. Use 1.2mm when you need to move metal quickly and fill larger joints with fewer passes while keeping a strong bead profile.
ER70S-6: Trusted Chemistry for Strong Joints
ER70S-6 is a widely used carbon steel wire type known for its good mechanical properties and dependable performance. The “70” indicates a tensile strength around 70 ksi, and the “S-6” denotes a Deoxidizer package that helps control oxygen and sulfur in the weld pool. This Deoxidation results in improved bead wetting, fewer porosity issues, and better tolerance to less-than-perfect base metal surface conditions. The outcome is a sound, strong weld suitable for structural assemblies, trailers, frames, and general fabrication.
CO2 Compatibility and Clean Arc
These TKweld wires are optimized for CO2 shielding gas, providing a hot, stable arc and deep penetration. CO2 offers cost-effective shielding and deeper penetration compared to mixed gases, making it a common choice in many shops. TKweld ER70S-6 reacts well with CO2 to produce consistent slag and bead appearance. The result is reliable fusion and strong joint integrity when proper parameters are used.
Easy Feeding and Reduced Downtime
TKweld places emphasis on smooth feeding characteristics. The wire’s surface finish and precise diameter tolerance reduce friction through guide tubes and liners, leading to fewer bird-nest tangles and more efficient operation. Less downtime spent dealing with feeding issues means more work completed and improved productivity in high-volume settings.
Good Arc Stability and Low Spatter
Arc stability is crucial for predictable welding. TKweld ER70S-6 formulates a stable arc that helps welders maintain control and achieve clean bead profiles. Also, because the wire is produced with low surface contaminants and an optimized Deoxidizer mix, spatter levels are minimized. Cleaner welds mean less grinding and touch-up, improving turnaround time and finish quality.
Wide Application Range
TKweld ER70S-6 is suitable for a variety of industries and applications:
- Automotive repair and restoration
- General fabrication and structural work
- Agricultural and trailer repair
- Metal art and fabrication shops
- Machinery repair and maintenance
- DIY projects and hobby welding
The wire performs well on carbon steel and is forgiving with mill scale or lightly rusted surfaces when using appropriate welding practice.
Packaging and Handling
TKweld wires are spooled and packaged for protection against moisture and physical damage. Proper storage will preserve wire integrity and keep performance consistent. When paired with routine maintenance of your welding equipment—clean liners, correct drive roll settings, and proper tension—the TKweld wire will deliver consistent results and long spool life.
User-Friendly Choice for All Skill Levels
Whether you are a seasoned professional or a weekend hobbyist, TKweld ER70S-6 wire is an approachable choice that offers a good balance between performance and reliability. For beginners, the predictable arc and lower spatter help build confidence as skills improve. For pros, the consistent feed and strong welds keep projects moving efficiently.
Recommended Parameters and Tips
For best results, match the wire diameter to material thickness and welding machine settings. Use a clean contact tip and a well-maintained liner to reduce feeding issues. Adjust gas flow and welding speed to the joint type and position to achieve proper penetration and bead shape. While CO2 shielding is the focus, testing on scrap material is always advised to dial in voltage and travel speed before tackling final parts.
Why Choose TKweld
TKweld focuses on delivering practical, dependable consumables that support day-to-day welding needs. With attention to manufacturing tolerances, chemistry control, and surface quality, our ER70S-6 wire provides welders with a material they can count on to produce strong, consistent joints. The availability in three common diameters—0.8mm, 1.0mm, and 1.2mm—means you can choose the right tool for each job and enjoy smoother operation, less rework, and better finished results.
TKweld’s Mig Welding Wire CO2 Hot Sale ER70S-6 in 0.8mm, 1.0mm, and 1.2mm offers a dependable, user-friendly solution for a wide range of welding tasks. With consistent diameter control, a clean surface finish, good arc stability, and reduced spatter, TKweld wire supports efficient welding and strong joints across many applications. Choose TKweld when you want practical performance and reliable results from your welding wire
Items |
C |
Mn |
Si |
S |
P |
Standard Value |
0.06-0.15 |
1.40 -1.85 |
0.80 -1.15 |
≤0.025 |
≤0.025 |
Case of Value |
0.08 |
1.50 |
0.89 |
0.012 |
0.013 |
Items |
Ni |
Cr |
Mo |
V |
Cu |
Standard Value |
≤0.15 |
≤0.15 |
≤0.15 |
≤0.03 |
≤0.50 |
Case of Value |
0.03 |
0.02 |
0.002 |
0.003 |
0.11 |
Items |
Tensile Strength
Rm/MPa
|
Yield Strength Rel/Rp0.2 MPa |
Elongation A/% |
Charpy V-notch impact energy KV2(J)-30℃ |
Standard Value |
≥500 |
≥420 |
≥22 |
≥27 |
Case of Value |
560 |
450 |
26 |
108 |
Welding wire diameter - mm |
0.8 |
1.0 |
1.2 |
1.6 |
Welding current - A |
50 - 180 |
70 - 230 |
80 - 350 |
120 - 500 |
We have a strong welding consumables market supply chain, where you can find any welding consumables and equipment you need. Our team is at your service throughout the process, supplying you with the best quality products
A: We are the real professional welding machines supplier, which has production team, R&D team, sales force and after-sale service team. And we have our own welding robot laboratory for research and to provide free technical training
A:We have our own welding laboratory, which not only tests all welding consumables but also provides customers with welding solutions, accumulates a large amount of data experience, and has absolute experience in product quality control
A: All of our product shave 8 countries classification societies quality certification which ensures the quality and safety. Our products are under strict quality management to ensure supreme quality
A: 4 boxes* 5kg per inner box, or as customer’s requirements
A: The goods will be shipped within15-30 days after the receipt of your payment
A: 500kgs
A:1- 30% down payment for order confirmation, 70% before shipment. 2- 100% at sight L/C
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