MT-B52 Carbon Steel Welding Electrode
The MT-B52 is a carbon steel electrode with a rutile coating suitable for all-position welding. It is designed for welding low carbon steel structures, especially for intermittent welding with small welding machines and short thin plates.




Technical Specifications
Product Overview
High-Performance Welding Electrode
This low hydrogen potassium type welding electrode is engineered for high tensile steel applications, specifically for the 50kg/mm² class. It offers superior plasticity, impact toughness, and crack resistance, making it an ideal choice for critical structural welding. The electrode is widely utilized in the fabrication of ship structures, boilers, pipelines, and essential components for vehicles, buildings, and bridges.

Standards & Compliance
- Compliance Standards
- AWS E7016BS EN E42 3BJIS D5016ABS
Mechanical Properties
Mechanical Properties
| Property | Standard Requirement | Typical Value |
|---|---|---|
| Yield Strength (Mpa) | ≥400 | 520 |
| Tensile Strength (Mpa) | ≥490 | 580 |
| Elongation (%) | ≥22 | 28 |
| Charpy V Impact (-30°C) | ≥27J | 150J |
| Bend Test (Degree) | N.S. | 180 |
Chemical Composition
Weld Metal Composition (%)
| Element | Max Content | Typical |
|---|---|---|
| Carbon (C) | ≤0.15 | 0.06 |
| Manganese (Mn) | ≤1.60 | 1.35 |
| Silicon (Si) | ≤0.75 | 0.50 |
| Sulfur (S) | ≤0.035 | 0.010 |
| Phosphorus (P) | ≤0.035 | 0.020 |
Usage & Handling
Usage Instructions
- Dry electrodes at 300-350°C for 30-60 minutes before use
- Short arc technique is recommended



