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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 |
Weldmetal/ |
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 |