Description
Magmaweld ESB 52 (E7018-1H4R) is a premium, basic-coated, ultra-low hydrogen electrode specifically engineered for critical structural fabrication and high-strength piping. Packaged in an air-tight Vac Pac, these electrodes maintain exceptional resistance to moisture absorption, preventing cold cracking and ensuring age-resistant, X-ray-quality welds even under dynamic heavy loading.
Key Features
- Ultra-Low Hydrogen (H4R): Guarantees a maximum hydrogen content of 4 ml per 100g of deposited metal to prevent hydrogen-induced cracking.
- Superior Joint Toughness: Produces resilient, crack-free welds with excellent mechanical properties.
- All-Position Usability: Offers outstanding operating and gap-bridging performance in root passes and positional welding.
- High-Carbon Compatibility: Suitable for joining challenging steels with a carbon content up to 0.6% and structural rail joints.
Technical Specifications
- Electrode Size: 4.0 mm diameter × 450 mm length
- Package Weight: 2.5 kg (Single Box)
- Packaging Type: Moisture-resistant Vac Pac
- Current Type: AC / DC+
- Yield Strength: 500 N/mm²
- Tensile Strength: 560 N/mm²
- Elongation (A5): 28%
- Charpy V-Notch Impact Value: -45°C > 110J / -60°C > 60J
- Chemical Composition: C = 0.07 max, Mn = 1.20 max, Si = 0.4 max
Industry Standards & Classifications
- AWS/ASME SFA 5.1: E7018-1 H4R
- EN ISO 2560-A: E 42 6 B 42 H5
- TS EN ISO 2560-A: E 42 6 B 42 H5
- CSA W48: E4918-1-H4
Primary Applications
Perfect for critical sectors that require strict non-destructive testing (NDT/X-Ray quality):
- High-strength cross-country pipelines and pressure vessels
- Bridges, heavy structural steel frames, and dam gates
- Shipbuilding, marine components, and offshore platforms
- Thermal power plants and petrochemical refinery infrastructure
Global Quality Approvals
ABS, DB, LR, CE, TSE, TUV, BV, DNV-GL, TL, CWB, HAKC.
