Steel wire with high tensile strength

Claim 2

A high strength steel wire having a wire diameter ranging from 0.05 to 0.50 mm and improved resistance to torsional and bending failures, consisting essentially of: from about 0.4% to about 1.4% by weight carbon; from about 0.1% to about 1.0% by weight manganese; between 0.1% and 0.4% by weight silicon; less than 0.015% by weight sulfur; less than 0.005% by weight aluminum; not more than 3% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper; and the remainder being iron and incidental impurities; wherein said wire has a tensile strength in N/mm 2 of at least 2250-1130 log d, d being the wire diameter in millimeters.

Claim 3

A carbon steel wire according to claim 1, wherein the sulfur content is less than 0.010%.

Claim 4

A steel wire according to claim 1, wherein said wire has a diameter of from about 0.05 to about 3.0 mm, a carbon content of from about 0.6% to about 1.0% by weight, and a manganese content of from 0.2 to 0.8% by weight, and wherein said wire includes a rubber adherable coating.

Claim 5

A steel wire according to claim 3, wherein said wire contains from about 0.7% to about 0.9% by weight carbon, said wire having a tensile strength in Newtons per square millimeter of at least 2325-1130 log d, in which d is the diameter of the wire in millimeters.

Claim 6

A steel cord for reinforcing rubber articles, said cord constructed of a plurality of the wires of claim 3, each of said wires having a diameter of from about 0.05 to about 0.5 mm.

Claim 7

A steel wire reinforced rubber article, said article including a steel wire according to claim 3, said article being one of a vehicle tire, a hose and a conveyor belt.

Claim 8

A steel cord reinforced rubber article, said article including a steel cord according to claim 5, said article being one of a vehicle tire, a hose and a conveyor belt.

Claim 9

A steel wire according to claim 4, said wire further consisting essentially of less than about 0.10% by weight combined of copper, chromium and nickel.

Claim 10

A wire according to claim 1, which comprises not more than 0.05% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper.

Claim 11

A steel cord according to claim 5, wherein said rubber adherable coating includes brass.

Claim 12

A steel wire according to claim 1, which contains from about 0.014% to about 0.020% by weight phosphorus.

Claim 13

A steel cord for reinforcing rubber articles, said cord constructed of a plurality of the wires of claim 4, each of said wires having a diameter of from about 0.05 to about 0.5 mm.

Claim 14

A high strength steel wire having a wire diameter ranging from 0.05 to 0.50 mm and improved resistance to torsional and bending failures, consisting essentially of: from about 0.80% to about 0.85% by weight carbon; from about 0.40% to about 0.70% by weight manganese; from about 0.17% to about 0.35% by weight silicon; less than 0.010% sulfur; less than 0.005% by weight aluminum; not more than 3% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper; and the remainder being iron and incidental impurities; wherein said wire has a tensile strength of at least 2325-1130 log d, in which d is the wire diameter in millimeters.

Claim 15

A high strength steel wire having a wire diameter ranging from 0.05 to 0.50 mm and improved resistance to torsional and bending failures, consisting essentially of: from about 0.80% to about 0.85% by weight carbon; from about 0.40% to about 0.70% by weight manganese; from about 0.17% to about 0.35% by weight silicon; less than 0.010% sulfur; less than 0.005% by weight aluminum; not more than 3% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper; and the remainder being iron and incidental impurities; wherein said wire has a tensile strength of at least 2325-1130 log d, in which d is the wire diameter in millimeters.

Claim 16

A steel wire according to claim 13, wherein said wire includes a rubber adherable coating.

Claim 17

A steel wire according to claim 14, wherein said coating includes brass.

Claim 18

A rubber vehicle tire having reinforcing elements including at least one steel cord made from the steel wire of claim 14.

Claim 19

A wire according to claim 13, which comprises not more than 0.05% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper.

Claim 20

A high strength steel rubber-reinfocing wire having a wire diameter ranging from 0.05 to 3 mm and improved resistance to torsional and bending failures, consisting essentially of: from about 0.4% to about 1.4% by weight carbon; from about 0.1% to about 1.0% by weight manganese; between 0.1% and 0.4% by weight silicon; less than 0.015% by weight sulfur; less than 0.005% by weight aluminum; not more than 3% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper; and the remainder being iron and incidental impurities; wherein said wire has a tensile strength in N/mm 2 of at least 2250-1130 log d, d being the wire diameter in millimeters, and said wire has a covering layer of rubber adherable material deposited thereon.

Claim 21

A high strength steel rubber-reinfocing wire having a wire diameter ranging from 0.05 to 3 mm and improved resistance to torsional and bending failures, consisting essentially of: from about 0.4% to about 1.4% by weight carbon; from about 0.1% to about 1.0% by weight manganese; between 0.1% and 0.4% by weight silicon; less than 0.015% by weight sulfur; less than 0.005% by weight aluminum; not more than 3% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper; and the remainder being iron and incidental impurities; wherein said wire has a tensile strength in N/mm 2 of at least 2250-1130 log d, d being the wire diameter in millimeters, and said wire has a covering layer of rubber adherable material deposited thereon.

Claim 22

A steel wire according to claim 18, wherein the sulfur content is less than 0.010% by weight.

Claim 23

A steel wire according to claim 19, wherein the carbon content is from about 0.80% to about 0.85% by weight; the manganese content is from about 0.40% to about 0.70% by weight manganese, and the silicon content is from about 0.17% to about 0.35% by weight, and wherein said wire has a tensile strength of at least 2325-1130 log d, in which d is the wire diameter in millimeters.

Claim 24

A steel wire according to claim 20, which comprises not more than 0.05% by weight of any element selected from the group consisting of nickel, chromium, cobalt, molybdenum and copper.