The optimum quenching temperature for reinforcing rod of all the steels tested is 900±20°C.
Tempering by heating with electric current induces better mechanical properties than those resulting from tempering in the furnace at the temperature used in the electrothermal method of prestressing reinforcing rods (250–400°C).
Reinforcing rods of 30KhG2S, St. 5, and 25G2S steels strengthened by elongation during heat treatment, and also high-strength wire can be heated with electric current at 400°C without affecting the strength of the steel to any significant extent.
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L. E. Épshtein, Byulleten' tekhniko-ékonomicheskoi informatsii, 1961, No. 9 (47). TsBTI, Tula.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 30–35, June, 1965
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Épshtein, L.E. Heat treatment and mechanical properties of reinforcing steels. Met Sci Heat Treat 7, 378–383 (1965). https://doi.org/10.1007/BF00652556
- Mechanical Property
- Heat Treatment
- Electric Current
- Good Mechanical Property