Description
ER70S-6 Mild Steel TIG Filler Wire 1.6mm
ER70S-6 is a mild steel TIG (GTAW) filler wire manufactured to AWS A5.18 / ASME SFA 5.18 ER70S-6 classification. The wire contains elevated manganese and silicon levels to provide strong deoxidizing performance, smooth weld bead appearance, and reliable welding performance on mild steel where light surface contamination, rust, or scale may be present. This 1.6mm TIG filler wire is supplied with LR, ABS, and DNV approvals for marine and industrial applications.
Key Features
- ✅ AWS A5.18 / ASME SFA 5.18 ER70S-6 classification
- ✅ Mild steel TIG welding filler wire
- ✅ High manganese and silicon content for enhanced deoxidizing action
- ✅ Smooth weld pool fluidity and improved bead appearance
- ✅ Suitable for single-pass and multi-pass welding
- ✅ Designed for high-quality, low-porosity welds
- ✅ LR, ABS and DNV approved
- ✅ 1.6mm diameter rod
- ✅ Supplied in a 5kg package
Benefits
- 🔥 Helps produce clean welds on mildly rusty or lightly contaminated steel
- 🔥 Reduces post-weld grinding due to smoother bead profile
- 🔥 Provides strong mechanical properties for structural fabrication
- 🔥 Suitable for marine, fabrication, construction and engineering applications
- 🔥 Consistent welding performance with argon-shielded GTAW processes
- 🔥 Supports professional-quality weld appearance and weld integrity
Specifications
| Product Type | Mild Steel TIG Filler Wire |
| Classification | ER70S-6 |
| Standard | AWS A5.18 / ASME SFA 5.18 |
| Welding Process | GTAW (TIG) |
| Diameter | 1.6mm |
| Material | Mild Steel |
| Carbon (C) | 0.06-0.15% |
| Manganese (Mn) | 1.40-1.85% |
| Silicon (Si) | 0.80-1.15% |
| Tensile Strength | Minimum 70,000 psi |
| Yield Strength | Minimum 58,000 psi |
| Elongation | Minimum 22% |
| Shielding Gas | Argon |
| Approvals | LR, ABS, DNV |
| Individual Pack | Cardboard Tube |
| Package Length | 1000mm |
| Package Weight | 5kg |
How to Use
- Prepare and clean the weld joint as thoroughly as practical.
- Set up a GTAW (TIG) welding machine with argon shielding gas.
- Select the 1.6mm filler rod where appropriate for the material thickness and welding procedure.
- Maintain a stable arc and add filler wire consistently into the leading edge of the weld pool.
- Allow the weld to cool naturally and inspect the completed weld.
⚠️ Welding fumes and gases can be hazardous to health. Always use appropriate ventilation and approved welding PPE during TIG welding operations.
⭐⭐⭐⭐⭐ “Clean arc characteristics and excellent bead appearance on structural steel projects.” — Michael S.
⭐⭐⭐⭐⭐ “Reliable quality with smooth feeding and consistent weld results.” — Andre S.
⭐⭐⭐⭐⭐ “Worked exceptionally well for fabrication and repair work.” — Pieter S.
FAQs
Q: What materials is ER70S-6 designed to weld?
A: It is designed primarily for mild steel and carbon steel applications.
Q: Can it be used where steel has light rust or mill scale?
A: Yes. The higher manganese and silicon content provides improved deoxidizing capability compared to many standard mild steel filler wires.
Q: Is this wire suitable for marine fabrication?
A: Yes. LR, ABS and DNV approvals support use in qualified marine and industrial fabrication applications.
Q: What shielding gas is typically used?
A: Argon shielding gas is used for the GTAW (TIG) process.
Q: Is it suitable for multi-pass welding?
A: Yes. ER70S-6 is widely used for both single-pass and multi-pass welding procedures.
Q: What advantages does ER70S-6 offer?
A: It provides strong mechanical properties, smooth bead appearance, reduced porosity potential, and reduced post-weld cleanup.
Industries & Applications
- 🚢 Shipbuilding and marine fabrication
- 🏗️ Structural steel construction
- 🚜 Agricultural equipment manufacturing
- 🚚 Truck body fabrication
- ⚙️ Industrial machinery production
- 🚂 Rail and engineering fabrication
- 🛢️ Tanks and pressure-related steel fabrication
- 🔧 Repair and maintenance workshops
- 🏭 General manufacturing environments
Compliance & Certifications
- ✅ AWS A5.18 ER70S-6
- ✅ ASME SFA 5.18 ER70S-6
- ✅ Lloyd’s Register (LR) Approval
- ✅ American Bureau of Shipping (ABS) Approval
- ✅ DNV Approval
Choose ER70S-6 Mild Steel TIG Filler Wire 1.6mm when you need proven welding performance, dependable mechanical properties, and industry-recognised approvals for professional fabrication, engineering, maintenance, and marine welding applications.
