Higher strength steel, especially reinforcing steel or drawing s

Details Higher strength steel, especially reinforcing steel or drawing s Higher strength steel, especially reinforcing steel or drawing s

1988-08-08

1990-04-03

Yee, Deborah

Metal treatment

Stock

Ferrous

148902, C22C 3300

Patent

active

049137514

ABSTRACT:
An elongated steel element of enhanced strength suitable for use as reinforcement for concrete or drawing feed stock has a cross section which is heterogenous in structure and strength, the cross section comprising a core, a peripheral layer and a transition region between the core and the peripheral layer, the transition region consisting essentially of higher strength, harder martensite, the peripheral layer being of lower strength than the transition region and the core being of lower strength than the peripheral layer.

REFERENCES:
patent: 4016015 (1977-04-01), Respen et al.
patent: 4146411 (1979-03-01), Dewsnap et al.

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