AWS: ENiCrMo-6 Welding Electrodes
Product data sheet / Overview: ( INCONEL® Alloy C-276 )
The ENiCrMo-6 is a nickel-chromium-molybdenum (Ni-Cr-Mo) consumable electrode designed for welding nickel steels, dissimilar steels, and problem metals. It offers excellent weldability with a low-hydrogen sodium-based coating. .
Specifications :
- AWS A5.11 Classification: SFA/AWS A5.11: ENiCrMo-6
- EN/ ISO: E Ni 6620 (NiCr14Mo7Fe)
- Size: 2.4 mm, 3.2 mm, 4.0 mm & 5.0 mm
Chemical Composition (%):
| Element | Specification | Typical Value |
|---|---|---|
| Carbon (C) | ≤ 0.10 | 0.02 |
| Manganese (Mn) | 2.00 - 4.00 | 3.20 |
| Silicon (Si) | ≤ 1.00 | 0.18 |
| Iron (Fe) | ≤ 10.0 | 5.5 |
| Sulfur (S) | ≤ 0.020 | 0.010 |
| Phosphorus (P) | ≤ 0.030 | 0.005 |
| Nickel (Ni) | ≥ 55.0 | 60.0 |
| Niobium + Tantalum (Nb+Ta) | 0.5 - 2.0 | 0.86 |
| Aluminum (Al) | - | - |
| Molybdenum (Mo) | 5.0 - 9.0 | 7.00 |
| Chromium (Cr) | 12.0 - 17.0 | 13.80 |
Mechanical Properties
- Tensile Strength (Rm): ≥ 620 MPa (Typical: 680 MPa)
- Elongation (A): ≥ 35% (Typical: 40%)
- Charpy Impact Value (Akv) at -196°C: ≥ 30 J (Typical: 130 J)
Applications
- Welding of 9% nickel steels for cryogenic applications down to -196°C (e.g., LNG tanks)
- Dissimilar steel welding
- Welding of problem metals
- Storage and Handling:
- Store in a dry place away from moisture and contaminants.
- Maintain recommended storage temperature according to manufacturer's specifications (typically -10°C to +40°C).
- Electrodes are hygroscopic (absorb moisture), follow recommended re-baking procedures if exposed to excessive moisture.
Safety Precautions
- Welding fumes and gases can be hazardous. Ensure adequate ventilation during welding.
- Wear appropriate personal protective equipment (PPE) including welding helmet, gloves, respirator, and clothing.
- Avoid skin contact with electrode coating.
- Keep flammable materials away from the welding arc.
- Follow safe welding practices.
Manufacturers
- ESAB, Selectarc, D&H, Lincoln, Ador, Bohler/UTP
Brands and their Product Name:
| Brand | Product Name |
|---|---|
| ESAB | ESAB OK 92.55 |
| BOHLER/UTP | UTP 7013 Mo |
| D&H | D&H 1260 |
| Lincoln | Lincoln NYLOID 4 |
| Selectarc | SELECTARC B96 |
| Ador | Ador NICALLOY Mo-6 |
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ENiCrMo-6 welding electrode (SMAW) supplier in Dubai, Abu Dhabi, Sharjah, Al Ain, Rak, Fujairah UAE, Oman, Saudi Arabia (KSA), Qatar, Kuwait & Bahrain