Features of TOKO Brand Submerged Welding Wire H08MnA (EM12)
Reliable performance for industrial welding applications
Material Composition
- Copper-surfaced submerged arc welding wire
- Low carbon content (≤0.10%)
- Manganese content: 0.80-1.10%
- Controlled levels of silicon, sulfur, and phosphorus
Applicability
- Suitable for carbon steel and low alloyed steel
- Ideal for 16Mn and 14MnNb steel structures
- Works with soft steel and 490Mpa grade high-strength steel
Performance Characteristics
- Excellent mechanical properties
- Good weld bead formation
- Easy slag removal
- Stable arc combustion
Power Source Compatibility
- Works with both AC and DC power sources
- With DC, wire connects to positive electrode
- Adjustable welding parameters
Aesthetics and Efficiency
- Produces fine-appearing weld metal
- High deposition efficiency
- Suitable for mechanical and automatic welding
Flux Compatibility
- Works with fluorine-alkaline type SJ101 flux
- Compatible with silicon-calcium neutral type SJ301
- Adaptable to various welding requirements
Industrial Applications
Shipbuilding
Steel Structures
Pipelines
Heavy Machinery
Boilers
Chemical Containers
Bridges
Nuclear Power Equipment
Chemical Composition
Element | Content (%) |
---|---|
Carbon (C) | ≤ 0.10 |
Silicon (Si) | ≤ 0.07 |
Manganese (Mn) | 0.80 - 1.10 |
Sulfur (S) | ≤ 0.030 |
Phosphorus (P) | ≤ 0.030 |
Chromium (Cr) | ≤ 0.20 |
Nickel (Ni) | ≤ 0.30 |

The information contained or otherwise referenced herein is presented only as "typical" without guarantee or warranty, and TOKO Corporation expressly disclaims any liability incurred from any reliance thereon. Typical data and Test results for mechanical properties, deposit or electrode composition and other properties were obtained from a weld produced and tested according to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application.