Weldable bar, especially for use in reinforcing concrete

Details Weldable bar, especially for use in reinforcing concrete Weldable bar, especially for use in reinforcing concrete

1974-04-11

1976-06-01

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

29193, 75123J, 75123N, C22C 3926, C22C 3954

Patent

active

039606155

ABSTRACT:
A new Si-semi-killed BOF steel, especially suitable for use in the form of bar for concrete reinforcements in which the bar is stitch-welded, contains not less than 0.18% and not more than 0.29% C, not less than 1.20% and not more than 1.50% Mn, less than 0.1% Si, less than 0.01% Al, less than 0.005% N, less than 0.05% P, less than 0.05% S, in total less than 0.15% Cr, Ni, Mo, Cu and Sn, and at least some but less than 0.04% Nb, and possibly also at least some but less than 0.06% V. Cold twisting may further improve the properties of the steel.

REFERENCES:
patent: 3102831 (1963-09-01), Tisdale
patent: 3725049 (1973-04-01), Satoh et al.

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