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US 2009/0155118 A1Published application
High Strength Steel
OwnerMichael Yuri Kan, William Joseph Peppler +1inventors
InventorsMichael Yuri Kan, William Joseph Peppler, Gary Alan Stueck
Life of this patent
Estimating the term…
Abstract
A steel composition that includes: about 0.25-0.37% by weight Carbon; about 1.20-1.55% by weight Manganese; about 0.1-0.15% by weight Vanadium; about 0.20-0.40% by weight Nickel; about 0.20-0.50% by weight Silicon; about 0.30-0.45% by weight Copper; about 0.017-0.025% by weight Nitrogen; and Iron as the main constituent.
Claims28
A steel anchor bolt, comprising:
- about 0.25-0.37% by weight Carbon;
- about 1.20-1.55% by weight Manganese;
- about 0.1-0.15% by weight Vanadium;
- about 0.20-0.30% by weight Nickel;
- up to about 0.50% by weight Silicon;
- about 0.30-0.45% by weight Copper;
- about 0.017-0.025% by weight Nitrogen;
- and Iron as the main constituent.
5 more elements
A steel anchor bolt made by a method comprising:
- (a) providing a steel composition, comprising:
- about 0.25-0.37% by weight Carbon;
- about 1.20-1.55% by weight Manganese;
- about 0.1-0.15% by weight Vanadium;
- about 0.20-0.30% by weight Nickel;
- up to about 0.50% by weight Silicon;
- about 0.30-0.45% by weight Copper;
- about 0.017-0.025% by weight Nitrogen;
- and Iron as the main constituent. (b) charging the composition into a furnace;
- and (c) normalizing the composition by heating at a furnace temperature between about 1500.degree.F. and about 1650.degree.F.
7 more elements
Dependencies are inferred from the claim text.