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| Number | Title | Issue Date |
| 7416615 | Very-high-strength and low-density, hot-rolled steel sheet and manufacturing process The invention relates to a high-resistant, low-density hot laminated sheet steel comprising the following elements expressed in weight per cent: 0.04%:9 carbon≦0.5%; 0.05%≦manganese≦3%, being able to contain hardening elements: 0.01%≦niobium≦0.1 0.01%≦ti... | 08/26/2008 |
| 6562207 | Refractory metal silicide alloy sputter targets, use and manufacture thereof Sputter target, method of manufacture of same and sputter coating process using the target as a sputtering source are disclosed. The sputter target comprises an Me/Si multi-phase, consolidated blend wherein the Si component is present in a very small amou... | 05/13/2003 |
| 6287395 | High-energy weldable soft magnetic steel and its use for parts of magnetic suspension railways A high-energy weldable soft magnetic steel with high toughness in the heat-affected zone of weld joints, high specific electric resistance to reduce eddy currents, aging resistance and weathering resistance comprises 0.65 to 1.0 to 2.0% s... | 09/11/2001 |
| 6210496 | High-strength high-workability cold rolled steel sheet having excellent impact resistance A cold rolled steel sheet having high strength and high formability and having excellent crushing performance can include 0.05-0.40 mass % of C, 1.0-3.0 mass % of Si, 0.6-3.0 mass % of Mn, 0.02-1.5 mass % of Cr, 0.010-0.20 mass % of P and 0.01-0.3 mass % ... | 04/03/2001 |
| 5522948 | Fe-based soft magnetic alloy, method of producing same and magnetic core made of same An Fe-based soft magnetic alloy is consisted essentially of fine crystal grains constituting 50% or more of the alloy structure by area %. The Fe-based soft magnetic alloy has the composition substantially represented by the general formula: Fe100-a-... | 06/04/1996 |
| 5252148 | Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same A soft magnetic alloy having a composition of general formula: (Fe1-a Nia)100-x-y-z-p-q Cux Siy Bz Crp M1q (I) wherein M | 10/12/1993 |
| 5120496 | Stainless wrought and cast materials and welding additives for structural units exposed to hot, concentrated sulfuric acid In the processing of hot concentrated sulfuric acid or oleum in steel apparatus, the improvement wherein said apparatus is formed of an alloyed material comprising an iron-chrome-nickel-silicon alloy containing 13 to 32% by weight Cr, 5 to 25% by weight n... | 06/09/1992 |
| 5067991 | Fe-based soft magnetic alloy An Fe-based soft magnetic alloy represented substantially by the general formula: Fea Cub Vc Sid Be wherein a, b, c, d, and e are numbers respectively satisfying the following formula: a+b+c+d+e=100 (atomi... | 11/26/1991 |
| 5051233 | Stainless wrought and cast materials and welding additives for structural units exposed to hot, concentrated sulfuric acid In the processing of hot concentrated sulfuric acid or oleum in steel apparatus, the improvement wherein said apparatus is formed of an alloyed material comprising an iron-chrome-nickel-silicon alloy containing 13 to 32% by weight Cr, 5 to 25% by weight n... | 09/24/1991 |
| 4790977 | Silicon modified low chromium ferritic alloy for high temperature use A ferritic alloy steel having good creep strength and cyclic oxidation resistance at elevated temperatures up to 982° C. (1800° F.) with an optional final anneal at 1010°-1150° C. (1850°-2100° F.) consisting essentially of from about 0.01% to a... | 12/13/1988 |
| 4749549 | Gray cast iron inoculant A ferrosilicon inoculant for gray cast iron containing between 0.1 to 10% strontium, less than 0.35% calcium and either 0.1 to 15% zirconium, 0.1 to 20% titanium or a mixture of both zirconium and titanium with the strontium. The inoculant, method for pro... | 06/07/1988 |
| 4668310 | Amorphous alloys Amorphous alloys having high strength, high hardness, high crystallization temperature, high saturation magnetic induction, low coercive force, high magnetic permeability and particularly low deterioration of magnetic properties with lapse of time, have a... | 05/26/1987 |
| 4642219 | Bearing steel and method of manufacturing the same A high-quality bearing steel contains 0.70 to 1.10% by weight of C, 0.15 to 1.60% by weight of Si, 0.15 to 1.15% by weight of Mn, 0.010% by weight or less of P, 0.002% by weight or less of S, 0.50 to 1.60% by weight of Cr, 0.015% by weight or less of Al, ... | 02/10/1987 |
| 4637843 | Core of a noise filter comprised of an amorphous alloy The present invention relates to the core of a noise filter. Conventionally, ferrite or iron powder is used as the core of a noise filter. Some patent publications disclose the core of a noise filter made of an amorphous magnetic alloy. An amorphous magnetic a... | 01/20/1987 |
| 4629504 | Steel materials for welded structures Production of steel materials which show excellent HAZ qualities when used for welded structures and contain C: 0.001 to 0.300% Mn: 0.4 to 2.0% P: 0.025% max. S: 0.025% max. Al: 0.007% max. Ti: 0.003 to 0.050% O: 0.0010 to 0.0100% Balance: iron and unavoidable impu... | 12/16/1986 |
| 4581080 | Magnetic head alloy material and method of producing the same An alloy material for magnetic head which ensures, when formed into a head, reduced distortion during writing and reduced level of noises such as sliding noise, while presenting high wear resistance. The alloy material is produced by preparing a molten alloy h... | 04/08/1986 |
| 4544406 | Spring steel having a good sag-resistance and a good hardenability A spring steel having a good sag-resistance and a good hardenability comprises by weight 0.5-0.8% carbon, 1.5-2.5% silicon, 1.6-2.5% manganese and a member or members selected from a group consisting of 0.05-0.5% vanadium, 0.05-0.5 niobium and 0.05-0.5% m... | 10/01/1985 |
| 4533390 | Ultra high carbon steel alloy and processing thereof An ultra high carbon steel having a composition of carbon in an amount of from about 0.8 weight percent up to the maximum solubility limit of carbon in austenite; silicon in an amount of from about 3 to about 7 weight percent; an effective amount of a sta... | 08/06/1985 |
| 4448617 | Steel for a vehicle suspension spring having good sag-resistance A steel for use in a vehicle suspension spring having a good sag-resistance comprising by weight 0.50-0.80% carbon, 1.50-2.50% silicon, 0.50-1.50% manganese, a member or members selected from a group consisting of 0.05-0.50% vanadium, 0.05-0.50% niobium a... | 05/15/1984 |
| 4432812 | Drive train gear of lower bainite alloy steel A drive train gear having a plurality of teeth thereon is formed of an alloy steel having a predominantly homogeneous and substantially complete low temperature bainite microstructure, including less than 10 Vol % austenite. The gear preferably consists e... | 02/21/1984 |
