Process for producing low carbon steel for cold drawing

Details Process for producing low carbon steel for cold drawing Process for producing low carbon steel for cold drawing

1987-08-17

1989-08-01

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 1060, 75 53, C21C 700, C22B 400

Patent

active

048530328

ABSTRACT:
An improved process is provided for the manufacture of low carbon steel from scrap in electric arc furnaces with continuous casting. The improvement comprises establishing a B:N ratio in the range of 0.8 to 1.5 and preferably in the range of 0.9 to 1.4 to reduce the tensile strength of the steel and avoid hot shortness. The low carbon steel has improved cold drawing characteristics with desired yields, tensile strengths and work hardening rates particularly for manufacture of nails, staples, hangers and the like.

REFERENCES:
patent: 3809547 (1974-05-01), Lewis
Morgan & Shyne, "Control of Strain Aging in Alpha-Iron", Journal of Metals, pp. 65-69 (Jan. 1957).
Darby & Beck, "Sigma-Phase in Certain Ternary Systems with Vanadium", Journal of Metals, pp. 69-71 (Jan. 1959).
Morgan & Shyne, "Preparation of Boron Treated Nonaging Open Hearth Steel", Trans. Aime, pp. 784-785 (Jun. 1957).
Morgan & Shyne, "The Strain Ageing of Boron-Treated Low-Carbon Steels", J. Iron & Steel Institute, pp. 156-160 (Feb. 1957).

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