| 摘要 |
The present invention relates to a wire material having high impact toughness, and a method to manufacture the same. The wire material having high impact toughness is able to be used for components of an industrial machine, and a vehicle exposed to various external load environments. The present invention comprises: 0.05-0.15 wt% of carbon (C), 0.2 wt% or less of silicon (Si), more than 3.5 wt% and less than 5.0 wt% of manganese (Mn), 0.5-2.0 wt% of chromium (Cr), 0.020 wt% or less of phosphorus (P), 0.020 wt% or less of sulfur (S), 0.010-0.050 wt% of aluminum (Al), and the remainder consisting of Fe and inevitable impurities. |
