Electric-resistance-welded steel pipe with high strength

Details Electric-resistance-welded steel pipe with high strength Electric-resistance-welded steel pipe with high strength

1994-01-13

1995-07-11

Yee, Deborah

Metal treatment

Stock

Ferrous

148909, 148333, 138177, 138DIG6, C22C 3804, C22C 3812

Patent

active

054317487

ABSTRACT:
An electric-resistance-welded steel pipe with high strength consists essentially of 0.05 to 0.30 wt. % C, 0.6 to 2.0 wt. % Mn, 0.03 to 0.70 wt. % Si, and 0.01 to 0.05 wt. % Nb. The balance is Fe and inevitable impurities, the steel pipe having a martensitic phase ratio of 60 to 100% and having a tensile strength of 120 to 170 kgf/mm.sup.2.

REFERENCES:
patent: 4210467 (1980-07-01), Klatzer et al.
patent: 4740255 (1988-04-01), Manton
patent: 4799971 (1989-01-01), McDougall et al.
Patent Abstracts of Japan, vol. 9, No. 077, Apr. 6, 1985, of JP-A-59 206183, Nov. 1984.
Patent Abstracts of Japan, vol. 9, No. 282, Nov. 9, 1985 of JP-A-60 124483, Jul. 1985.

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