Introduction:
AWS A5.17 EM12K. It is for welding 450Mpa-500Mpa tensile strength structures. Before welding, the base metal must clear away impurities and the flux must be baked in a temperature of 300℃-350℃ for 1-2 hours.
Application:
Such as boiler, ships, bridges, pressure vessels as well as LPG cylinders.