ADOR SUPABASE E7018 C-Mn Steel Low Hydrogen Welding Electrode
Ador
WELDING ELECTRODES
500 In Stock
SUPABASE is a C-Mn steel low-hydrogen welding electrode designed for demanding welding applications requiring reliable weld quality and good mechanical properties. It is a basic-type iron powder electrode with approximately 115% metal recovery and a radiographic-quality weld deposit.
The electrode is suitable for pipe welding in 5G and 6G positions and is designed for applications such as pressure vessels, pipes, storage tanks, bridges, heavy structures, and joining specified structural and pressure-vessel steels.
SUPABASE is classified as AWS A5.1 E7018, with additional classifications under ISO 2560-A E 42 3 B32 H5 and IS 814 EB5426H3 JX. The datasheet lists approvals from ABS, BV, LRA, IBR, BIS, NTPC, BHEL and CE.
Key Features
- Basic-type iron powder electrode
- Low-hydrogen welding electrode
- Approx. 115% metal recovery
- Radiographic weld deposit
- Suitable for pipe welding in 5G and 6G positions
- Suitable for pressure vessels and piping
- Suitable for storage tanks and heavy structures
- Designed for high-quality C-Mn steel welding
- Available in multiple electrode sizes
- Standard and vacuum packing options available
Technical Specifications
| Specification | Details |
|---|---|
| Brand | ADOR SUPABASE |
| Product Type | C-Mn Steel Low Hydrogen Electrode |
| Electrode Type | Basic Type Iron Powder |
| AWS Classification | AWS A5.1 E7018 |
| ISO Classification | ISO 2560-A E 42 3 B32 H5 |
| IS Classification | IS 814 EB5426H3 JX |
| Metal Recovery | Approx. 115% |
| Weld Deposit | Radiographic Quality |
| Welding Positions | All positions capability; parameter table specifies all positions except vertical down |
| Pipe Welding | Suitable for 5G & 6G |
| Current / Polarity | AC (70 OCV) / DCEP |
| Diffusible Hydrogen | <5 ml/100 g |
| Hardness, 3 Layer | 200 BHN max |
| Redrying | 250–300°C for minimum 1 hour |
| Manufacturer | ADOR WELDING LIMITED |
Typical Applications
SUPABASE is recommended for:
- Pressure vessels
- Pipes
- Storage tanks
- Bridges
- Heavy structures
- Pipe welding in 5G and 6G positions
- Joining steel grades such as ASTM SA 414/414M Gr. C/D
- ASTM SA 516/516M Gr. 55/60
- IS 2002
- IS 2062
Mechanical Properties of All-Weld Metal
| Property | Specification / Requirement | Typical As-Welded |
|---|---|---|
| UTS | 490 MPa min. | 470 MPa* |
| Yield Strength at 0.2% Offset | 400 MPa min. | 540 MPa* |
| Elongation | 22% min. | 26% |
| CVN Impact | 47 J min. at -30°C | 60 J* |
*The uploaded datasheet's text extraction places the typical values in a compressed layout; the table above follows the values shown in the source.
Typical Chemical Composition of Undiluted Weld Metal
| Element | Typical Composition |
|---|---|
| Carbon (C) | 0.06% |
| Manganese (Mn) | 1.1% |
| Silicon (Si) | 0.4% |
Electrode Sizes & Amperage
| Electrode Size Ø × L | Amperage |
|---|---|
| 2.5 × 350 mm | 60–90 A |
| 3.15 × 350 mm | 100–130 A |
| 3.15 × 450 mm | 100–130 A |
| 4.0 × 450 mm | 140–180 A |
| 5.0 × 450 mm | 180–240 A |
Welding Current & Polarity
AC (70 OCV) / DCEP
The recommended amperage varies according to electrode diameter.
Redrying Condition
250–300°C for minimum 1 hour.
Packing
The datasheet specifies:
Standard carton packing: 20 kg box containing 4 cartons of 5 kg each.
Vacuum packing is also available.

































