J421(J38.12) According with GB E4313
Corresponding with AWS E6013
Introduction: J421 is a kind of carbon steel electrode with titania type coating. AC/DC. All-position welding. It has excellent welding performance, excellent operating performance, easy reignition, stable arc and beautiful appearance of weld.
Uses: For welding low-carbon steel structures, especially suitable for welding on thin plates and cosmetic welding which requires the weld beads to be beautiful and glossy.
GOLDEN BRIDGE WELDING ROD: J38.12