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Industrial Low Alloy Steel Welding Electrode
E9018-B3 is a great electrode for welding higher strength piping, castings and forgings. The coating is specially formulated to resist moisture pick-up under conditions of high heat and humidity. E9018-B3 electrode offers resistance to moisture reabsorption which helps prevent hydrogen cracking and aids in elimination of starting porosity.
Typical Applications : chrome-moly pipes, boiler work.
| AWS Class : E9018-B3 H4R | Classification : AWS A5.5/A5.5M:2006 |
| Alloy : E9018-B3 | ASME SFA A5.5 |
| Welding Position: F, V, OH, H | Current: AC-DCEP |
| Tensile Strength, kpsi: | 90 |
| Yield Strength, kpsi: | 77 |
| Elongation in 2” (%): | 17 |
Typical Wire Chemistry as per AWS A5.5 (single values are maximum)
| C | Mn | Si | P | S | Cr | Mo |
| 0.05-0.12 | 0.90 | 0.80 | 0.03 | 0.03 | 2.00-2.50 | 0.90-1.20 |
| Typical Welding Parameters | |||||
| Diameter | Process | Volt | Amps (flat) | Amps (V/OH) | |
| in | (mm) | ||||
| 3/32 | (2.4) | SMAW | 21-25 | 65-80 | 65-75 |
| 1/8 | (3.2) | SMAW | 21-25 | 90-110 | 80-95 |
| 5/32 | (4.0) | SMAW | 21-26 | 135-160 | 120-140 |
| 3/16 | (4.8) | SMAW | 22-26 | 160-210 | 140-160 |
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