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US 2006/0188384 A1Published application
High strength steel
OwnerMichael Kan, William Peppler +1inventors
InventorsMichael Kan, William Peppler, Gary 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.
Claims31
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 0.20-0.40% 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.
6 more elements
A method of making a steel, 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 0.20-0.40% 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.
- (b) charging the composition into a furnace;
- and
- (c) normalizing the composition by heating at a furnace temperature between about 1500° F. and about 1650° F.
10 more elements
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 0.20-0.40% 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.
6 more elements
Dependencies are inferred from the claim text.