SUPRAMAX – 8018 G
Classification : AWS : E8018-G , BIS : E 55 BG 129 Fe
Characteristics : This is a basic coated, iron powder type electrode yeilding a weld metal having 1.5% Mn and 0.7% Ni. High resistant to hot or cold cracking even under dynamic loading heavy impact and severe service. Ideally suited for welding of high tensile fine grained steel for heavy construction work subject to dynamic loading, pressure vessels and for welding steel for subzero temperature down to -60°C
Applications : This is especially designed for the welding of low alloy steel to withstand low temperature. For welding high tensile steel for heavy construction work, subject to dynamic loading.
| Weld Metal Properties (%) : C = 0.09 Max Mn = 1.40-1.80 Si = 0.2-0.48 S = 0.03 Max P = 0.03 Max S = 0.45-0.80 |
| All Weld Mechanical Properties UTS = 560-650 N/mm2 YS = 460-570 N/mm2 Elong (L=4d) % = 24-29 CVN Impact Value (J) at 27 ± 2°C = 120-220 CVN Impact Value (J) at 27 0°C = 120-180 CVN Impact Value (J) at 27 – 20 °C = 80-150 CVN Impact Value (J) at 27 -40 °C = 50-120 |
Precautions :Use short arc during welding. Ensure that the electrodes are dry. In case of moisture pick-up, re-dry the electrodes at 300°C for 1 hour.
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