WIRE ROD AND PART, HAVING IMPROVED DELAYED FRACTURE RESISTANCE, FOR USE IN BOLT AND METHOD FOR MANUFACTURING SAME
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Issued Date -
Feb 15, 2024
app pub date -
Dec 14, 2021
filing date -
Dec 18, 2020
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Disclosed are high-strength wire rods and parts, having improved delayed fracture resistance, for use in bolts, and a methods for manufacturing the same. The high-strength wire rod, having improved delayed fracture resistance, for use in bolts according to the present disclosure contains, by wt %, 0.15-0.30% of C, 0.05-0.35% of Si, 0.95-1.35% of Mn, 0.030% or less of P, 0.030% or less of S, 0.005-0.030% of Ti, 0.0010-0.0040% of B, and Fe and inevitable impurities as the balance.
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