... , such as high production efficiency, stable welding quality, beautiful welding bead appearance, deep penetration, etc. Submerged-arc welding wire can be used in shipbuilding, bridge ... strength, such as 5MnVN, suitable for pipe-line steel welding. Specifications of Submerged-arc welding wire: EL9, EM12, EH14, EM13K, EL12,EB2 etc. 1 ...