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hot-coiled springs

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Article22 Jul 2026Hot-Rolled Bars for Hot-Coiled SpringsHeavy springs are coiled red-hot from annealed bar. Carbon bars to ASTM A68/SAE 1095, the A331 alloy families 5160, 9260, 4150 and 8645–8660, tool steels for special cases, and the coil–harden–temper schedule that governs them all.6 min readRead More