Method of producing large diameter steel rods

Metal treatment – Compositions – Heat treating

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148 12B, 148 36, C21D 714

Patent

active

040466000

ABSTRACT:
A large gauge high strength steel rod having a diameter of not less than 9 mm, is produced from high carbon steel containing, by weight percent, from 0.65 to 0.90% carbon and from 0.15 to 1.5% chromium capable of being drawn without subsequent heat treatment.

REFERENCES:
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patent: 3647571 (1972-03-01), Okamoto et al.
patent: 3666572 (1972-05-01), Nakagawa et al.
patent: 3668020 (1972-06-01), Lucht
patent: 3844848 (1974-10-01), Stacey
Kobe Steel Co. Technical Bulletin, Effects of Alloy Elements on Mechanical Properties of 0.8% C Steel, Hirano et al., pp. 1-34.
Iron and Steel (Japan), 1971, Properties of Wires Heat Treated Directly, by Utilizing Heat Conductivity of Boiling Water, Naruo et al., 3 pages.
Iron and Steel (Japan), 1973, Various Properties of Steel Wires Cooled in Boiling Water, Takeo et al., 4 pages.
Wire Journal, Yamakoshi et al., vol. 5 No. 10, Oct. 1972 pp. 36-46.

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