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