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Home / Products / Welding wire / ER70S-6



| item | value |
| melting point | 1515℃ |
| weight | 15Kg |
| flux content | 80%Ar+20%CO2 |
| place of origin | China |
| material | Carbon steel |
| diameter | 0.8-1.6mm |
| warranty | 3 years |
| Customized support | OEM |
| brand name | BOCAST |
| model number | ER70S-6 |
| application | Mild Steel |
1. High-Quality Materials: The product is made of solid carbon steel, ensuring durability and superior performance. It is suitable for mild steel applications and has a melting point of 1515℃, making it ideal for welding processes
2. Customizable Solution: The product offers OEM (original equipment manufacturer) support, allowing for customized solutions tailored to your specific requirements. This ensures flexibility and adaptability to various welding projects and applications
3. Wide Diameter Range: The welding wire comes in a variety of diameters, ranging from 0.8mm to 1.6mm, providing ample options for different welding projects and applications
4. Effective Flux Content: The welding wire features a flux content of 80% Ar + 20% CO2, resulting in an effective gas protection during welding. This helps to achieve a consistent and high-quality weld seam, minimizing porosity and spatter
5. Reliable 3-Year Warranty: The product is backed by a 3-year warranty, offering customers peace of mind and ensuring that any potential issues are addressed in a timely manner. This warranty demonstrates the manufacturer's confidence in the quality and durability of the Solid Welding Wire Carbon Steel Welding Wire for MIG Electrode ER70S-6 Co2 Gas protection Welding Wire created by BOCAST
Founded in 2000, our company is a professional welding and cutting solutions provider, committed to providing users worldwide with safe, reliable, efficient and economical welding and cutting materials, welding and cutting machines and industrial welding and cutting robots
1. who are we
We are based in Shanghai, China, start from 2000, sell to South America(12.00%), Mid East(12.00%), Southeast Asia(12.00%), Oceania(10.00%), Western Europe(10.00%), Eastern Europe(10.00%), Domestic Market(9.00%), Northern Europe(7.00%), Africa(6.00%), Eastern Asia(4.00%), Southern Europe(4.00%), North America(2.00%), South Asia(1.00%), Central America(1.00%). There are total about 5-10 people in our office.
2. how can we guarantee quality
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. what can you buy from us
Welding Consumables; Welding Equipments; Welding Robots; Welding Accessories; Welding table
4. why should you buy from us not from other suppliers
One-stop service for Automatic welding machine, Welding robots, Manual welding and cutting machine equipment, Cold welding machine, Seam welding machine, welding and cutting accessories
5. what services can we provide
Accepted Delivery Terms: FOB, CFR, CIF, EXW, Express Delivery;
Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF;
Accepted Payment Type: T/T, L/C, PayPal;
Language Spoken: English, Chinese
TKweld’s Solid CO2 Gas Protected ER70S-6 MIG Electrode — a dependable, high-performance welding wire designed for carbon steel applications, now available with OEM services to meet your precise production needs. Engineered for consistency and ease of use, this welding wire delivers strong, clean welds across a range of industrial and fabrication tasks. TKweld brings you a product that blends dependable quality, excellent mechanical properties, and user-friendly performance for routine and demanding MIG welding operations.
TKweld’s ER70S-6 is a solid welding wire formulated for CO2 and mixed-gas shielding in MIG welding. It is optimized for welding low- to medium-carbon steels where high deposition rates and good bead appearance are required. The wire’s chemistry and uniform strand quality reduce spattering and promote stable arc performance, making it a go-to choice for fabricators, automotive repair shops, structural steel projects, and general maintenance work. TKweld’s quality control ensures consistent diameter, smooth surface finish, and precise mechanical properties, so every spool performs predictably from start to finish.
Key Features and Benefits
- Reliable Weld Quality: TKweld ER70S-6 produces sound welds with good fusion and low porosity when used with CO2 or mixed shielding gases. The wire’s composition supports strong, ductile weld metal suitable for many structural and fabrication uses.
- Consistent Feedability: Smooth wire surface and tight dimensional tolerances ensure steady feeding through torch liners and contact tips, reducing interruptions and improving productivity.
- High Deposition Rate: The wire supports efficient metal transfer and faster deposition rates, helping complete jobs faster and reducing labor costs.
- Excellent Arc Stability: Stable arc characteristics make the wire easy to control, providing a predictable bead profile and reduced spatter, which minimizes clean-up time.
- Versatile Application Range: Ideal for welding carbon steel components in automotive repair, manufacturing, construction, pressure vessels, and more. The wire performs well on butt joints, fillet welds, lap joints, and other common joint types.
- Good Mechanical Properties: TKweld ER70S-6 delivers tensile strength and toughness suitable for most mild and low-alloy steel fabrications. The weld metal shows good elongation and impact resistance when deposited under recommended conditions.
- OEM Services Available: TKweld offers tailored OEM options, including custom packaging, private labeling, and specific spool sizes to match your production and branding needs. This service is ideal for distributors, industrial buyers, and original equipment manufacturers seeking consistent supply and branding flexibility.
Material Compatibility and Use Cases
TKweld ER70S-6 is primarily formulated for carbon steel substrates. It is widely used in:
- Structural steel fabrication and erection
- Automotive body repair and frame welding
- Machinery and equipment manufacturing
- General maintenance and repair operations
- Sheet metal and plate welding
The wire is not designed for direct welding of aluminium, copper, or plastics. For those materials, TKweld can recommend appropriate filler wires, brazing rods, or welding consumables specifically formulated for non-ferrous metals. When welding dissimilar metals or joining to special alloys, follow recommended preheating, inter-pass temperature, and filler selection guidelines to ensure joint integrity.
Recommended Welding Parameters
While optimal welding parameters depend on joint design, base metal thickness, and welding position, typical settings for TKweld ER70S-6 in a CO2 environment are:
- Wire diameter options: commonly 0.8 mm, 0.9 mm, 1.0 mm, and 1.2 mm
- Shielding gas: 100% CO2 or mixed gases with argon for improved bead appearance
- Voltage and current: Adjust according to wire diameter and material thickness; consult TKweld parameter charts for precise recommendations
- Polarity: DCEN (Direct Current Electrode Negative) for MIG transfer
Following the manufacturer’s parameter charts and using properly maintained equipment (clean contact tips, correct drive roll settings, and appropriate liner) will yield best results.
Quality Assurance and Manufacturing Standards
TKweld places emphasis on consistent production practices and rigorous quality control. Incoming raw materials are inspected, and finished wire is tested for chemical composition, tensile strength, elongation, and dimensional accuracy. Each spool is produced under controlled conditions to minimize surface defects and ensure uniform metallurgical properties. Packaging is designed to protect the wire from moisture and contamination, preserving quality during storage and transport.
Storage and Handling
To maintain performance, store TKweld’s ER70S-6 in a dry, temperature-stable environment away from corrosive chemicals. Keep spools sealed until use to prevent surface oxidation and contamination. When loading spools into welding equipment, ensure the drive roll and liner match the wire diameter to prevent deformation or feeding issues.
Safety Considerations
When welding with CO2 or mixed gases, ensure proper ventilation and use suitable personal protective equipment including welding helmet, gloves, and protective clothing. Follow standard welding safety protocols to minimize exposure to fumes, ultraviolet radiation, and hot spatter. TKweld is committed to providing product information and safety data sheets to support safe handling and use.
Packaging and Availability
TKweld’s ER70S-6 is supplied in a variety of spool sizes to accommodate small shops and high-volume production facilities. Custom packaging and labeling options are available through TKweld’s OEM services. Spools are wound and packaged to protect the wire and simplify handling during welding operations.
Why Choose TKweld
TKweld combines practical performance with manufacturing consistency to deliver a reliable welding consumable for carbon steel fabrication. Whether you run a small repair shop or a large production facility, TKweld’s ER70S-6 offers dependable Feedability, good mechanical strength, and a stable arc for high-quality welds. With OEM customization options, TKweld supports distributors and manufacturers who need tailored solutions and consistent supply.
For dependable MIG welding on carbon steel where consistent deposition, reduced spatter, and reliable mechanical properties matter, TKweld’s Solid CO2 Gas Protected ER70S-6 MIG Electrode is a strong choice. Contact TKweld for technical support, parameter charts, and OEM service options to match the product to your exact production requirements.