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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 (mm) | Length (mm) | Weldmetal/ Electrode | 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 |