AWS A5.5 E7018-A1
JIS Z3223 E4918-1M3
EN 1599 E Mo B 3 2
Notes on Usage
Welding Positions:
1. Preheat at 100~200℃(212~392℉) and postheat at 620~680℃(1148~1256℉)
2. Dry the electrodes at 350~400℃(662~752℉) for 60 minutes before use.
3. Keep the arc as short as possible
Applications
AWS A5.5 E7018-A1 can be used for welding of 05.%Mo heat resistant steel used for high temperature and high pressure boilers, chemical industries, oil refining industries and turbine casting. Other general low alloy steel and high tensile steel.
Characteristics on Usage
AWS A5.5 E7018-A1 is an iron powder low hydrogen type electrode. Its coating contains mush iron powder, which increasing working efficiency.
Mechanical Properties& Chemical Compositions of all-Weld Metal
Welding Conditions
Diameter, mm(in) : 4.0 X 400(5/32 X 16)
Amp./ Volt. : 160 / 23~24
Interpass Temp. ℃(℉) : 130 ~145(266~293)
Polarity : DC+