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INTERNTIONAL CLASSIFICATIONS |
AWS/ASME A E 11018-M
EN 757: E 69 4Mn 2NiCrMo B 42 H5
DIN 8529: EY 6965 Mn2NiCrMoB
BS 2493 2NiMo.BH
FEATURES & APPLICATIONS |
Structural and repair welds on high strength fine grained steels.
- Low alloy, high strength AC/ DC electrode for joining low and medium alloy construction steels.
- Extra low moisture content is below .14%.
- Smooth running AC/DC coating operates in all positions.
- Low spatter yield, self releasing slag and uniform rippled deposit.
All Weld Metal Analysis (Typical Weight %) |
Microstructure: In the as welded condition, the microstructure is ferritic/bainitic with a proportion of acicular ferrite.
Flux Color: Grey
| C | Mn | S | Si | P | Cr | Ni | Mo | Fe |
| .059 | 1.3 | .006 | .5 | .012 | .32 | 1.91 | .37 | bal |
Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength: 120,000 psi (845 MPa)
Yield Strength: 96,000 psi (665 MPa)
Elongation: 23%
Impact Energy: 82J (60ft. lbs.) 68°F (20°C); 50J (36ft. lbs.): -60°F (-51°C)
Welding Current & Instructions |
Recommended Current: DC Reverse (+) or AC
| Diameter (mm) |
3/32 (2.5) |
1/8 (3.25) |
5/32 (4.0) |
3/16 (5.0) |
| Minimum Amperage |
65 |
100 |
140 |
190 |
| Maximum Amperage |
100 |
140 |
190 |
250 |
Welding Techniques: For the majority of materials to be welded with these electrodes, minimum preheats between 212°F (100°C) and 392°F (200°C) are required to avoid hydrogen induced “cold” cracking. 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 |
Length |
Weldmetal/ |
Electrodes per lb (kg) of Weldmetal |
Arc Time of Deposition min/lb (kg) |
Amperage Settings |
Recovery Rate |
|
3/32 (2.5) |
14″ (350) |
.42oz (12g) |
38 (83) |
38 (84) |
80 |
115% |
|
1/8 (3.25) |
14″ (350) |
.59oz (17g) |
27 (60) |
21 (47) |
115 |
115% |
|
5/32 (4.0) |
14″ (350) |
1.1oz (30g) |
15 (32) |
18 (39) |
175 |
115% |
|
3/16 (5.0) |
14″ (350) |
1.8oz (50g) |
9 (20) |
13 (28) |
220 |
115% |
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) |
3/32 (2.5) |
1/8 (3.25) |
5/32 (4.0) |
3/16 (5.0) |
| Length (mm) |
14″ (350) |
14″ (350) |
14″ (350) |
14″ (350) |
| Electrodes / lb |
21 |
12 |
8 |
6 |
| Electrodes / kg |
46 |
26 |
18 |
13 |