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| INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.1 E 7018-1
EN 499: E 42 4 B 12 H5
DIN 1913: E51 54B R 10
ISO 2560: E51 5B120 26H
NFA 81-309: E515/4 B 120 26 BH
BS 639: E 5154 B 120 26 (H)
| FEATURES & APPLICATIONS |
For joining and repairing boiler plate, pipe steels, shipbuilding steels and cast steels. Excellent for weathering steels, such as “Corten”.
- Extra low hydrogen – Moisture resistant steel electrode for unalloyed construction steels.
- Only low hydrogen alloy made in 1/16 (1.6mm) size.
- Extremely smooth – spatter and turbulence free arc transfer.
- Coating is totally non-conductive.
- Unusually good AC welding characteristics.
- Easy re-strike.
| All Weld Metal Analysis (Typical Weight %) |
Microstructure: In the stress-relieved condition, the microstructure consists of acicular ferrite with some tempered bainite.
Flux Color: Tan/grey
| C | Mn | Si | S | P | Mo | Fe |
| .04 | .90 | .60 | .013 | .018 | .40 | Bal. |
| Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength: 84,000 psi (610 MPa)
Yield Strength: 69,000 psi (500 MPa)
Elongation: 32%
Impact Energy 90J: -30°C
| Welding Current & Instructions |
Recommended Current: DC Reverse (+) or AC
| Diameter (mm) | 1/16 (1.6) | 3/32 (2.5) | 1/8 (3.25) | 5/32 (4.0) | 3/16 (5.0) |
| Minimum Amperage | 30 | 65 | 100 | 140 | 190 |
| Maximum Amperage | 45 | 100 | 140 | 190 | 250 |
Welding Techniques: Remove all surface contaminants. Maintain a short arc gap and use a stringer or slight weave technique. Chip slag thoroughly between passes.
Welding Positions: Flat, Vertical up, Vertical down, Horizontal, Overhead
Deposition Rates:
| Diameter (mm) | Length (mm) | Weldmetal/ Electrode | Electrodes per lb (kg) of Weldmetal | Arc Time of Deposition min/lb (kg) | Amperage Settings |
| 1/16 (1.6) | 12″ (300) | .13oz (49g) | 120 (264) | 59 (129) | 35 |
| 3/32 (2.5) | 14″ (350) | .42oz (12g) | 38 (83) | 38 (84) | 80 |
| 1/8 (3.2) | 14″ (350) | .59oz (17g) | 27 (60) | 21 (47) | 115 |
| 5/32 (4.0) | 14″ (350) | 1.1oz (30g) | 15 (32) | 18 (39) | 175 |
| 3/16 (5.0) | 14″ (350) | 1.8oz (50g) | 9 (20) | 13 (28) | 220 |
| APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) | 1/16 (1.6) | 3/32 (2.5) | 1/8 (3.25) | 5/32 (4.0) | 3/16 (5.0) |
| Length (mm) | 12″ (300) | 14″ (350) | 14″ (350) | 14″ (350) | 14″ (350) |
| Electrodes / lb | 54 | 21 | 12 | 8 | 6 |
| Electrodes / kg | 119 | 46 | 26 | 18 | 13 |