In all cases welding stresses in a joint must be kept within a safe limit for good practice. ... mild steel electrodes is practically unaffected by high cooling rates of the weld, while hot rods (E-6020 - E-6030) are very sensitive to variations in cooling rates. Method of Welding. Automatic welding, using either the submerged arc or open arc method, would be selected in preference to manual operation whereveranbsp;...
|Title||:||Steam, Its Generation and Use|