SAF Subcored 31HD description: SUBCORED 31HD is a seamless copper coated basic flux cored wire for submerged arc welding of fine grain structural steels. The deposition rate is increased by 30% compared to a solid wire of equivalent diameter at the same current, however higher currents can be applied due to its superior welding properties. Single wire 4 mm welded at 900 amps will give deposit rate 15 kg per hour, and in tandem 25 - 30 kg/hour. Thus, SUBCORED 31HD clearly contributes to increasing the productivity.
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