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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