| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 05/27/1980 | US4204884 Reduces surface defects and edge cracking |
| 05/27/1980 | CA1078110A1 Process of manufacturing a steel strip by rolling, and strip obtained by said process |
| 05/20/1980 | US4203784 Linear fine strains, very low iron loss in use |
| 05/20/1980 | US4203782 Steel having a uni-directional lamellar martensite structure in an austenite matrix |
| 05/20/1980 | CA1077991A1 Memory metal article |
| 05/13/1980 | US4202711 Process for producing oriented silicon iron from strand cast slabs |
| 05/06/1980 | CA1076848A1 As-rolled steel plate having improved low temperature toughness and production thereof |
| 04/29/1980 | US4200477 Processing for electromagnetic silicon steel |
| 04/29/1980 | CA1076463A1 Producing rolled steel products |
| 04/16/1980 | EP0009846A1 Steel wire, cord or cable coated with a metal alloy, process for the manufacture thereof and products formed from an elastomeric material reinforced with one of said elements |
| 04/08/1980 | US4196505 Method of manufacturing high pressure fuel injection pipes |
| 03/20/1980 | WO1980000456A1 Process for producing high-strength cold-rolled steel plate for press working |
| 03/18/1980 | US4193824 Method for manufacturing steel spring leaves |
| 03/06/1980 | WO1980000328A1 Rubber adherent ternary cu-zn-ni alloy coated steel wires |
| 03/05/1980 | EP0008385A1 Grain-oriented electromagnetic steel sheet and method for its production |
| 03/04/1980 | US4191597 Heat treatment for martensite cured alloys |
| 03/04/1980 | CA1072865A1 Cold rolled, ductile, high strength steel strip and method therefor |
| 03/04/1980 | CA1072864A1 Combined mechanical and thermal processing method for production of seamless steel pipe |
| 02/26/1980 | CA1072424A1 Continuous heat treatment of steel strip |
| 02/20/1980 | EP0008201A1 Rubber adherent ferrous wire |
| 02/12/1980 | US4188241 Method for producing high tensile strength, high ductility, low yield ratio hot rolled steel sheet |
| 02/05/1980 | CA1071072A1 Formable high strength low alloy steel |
| 02/05/1980 | CA1070986A1 Rare earth metal treated cold rolled non-oriented silicon steel |
| 01/29/1980 | US4186038 Method of producing silicon-iron sheet material with boron addition, and product |
| 01/22/1980 | US4184898 Method of manufacturing high strength low alloys steel plates with superior low temperature toughness |
| 01/15/1980 | CA1069806A1 Cold-rolled high strength steel sheet |
| 01/08/1980 | CA1069415A1 Processing for aluminum nitride inhibited oriented silicon steel |
| 12/25/1979 | US4180418 Method of making a steel wire adapted for cold drawing |
| 12/18/1979 | US4179315 Silicon steel and processing therefore |
| 12/11/1979 | US4178194 Oxidation resistance while hot rolling and controlling electrical potential |
| 12/04/1979 | US4176513 Steel wire cord |
| 11/20/1979 | CA1066595A1 Method of quenching and tempering large-diameter thin-wall steel pipe and apparatus therefor |
| 11/13/1979 | US4174235 Product and method of producing silicon-iron sheet material employing antimony |
| 11/06/1979 | US4173502 Electrically-insulating adherent coating containing boron |
| 10/23/1979 | US4171994 Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel |
| 10/23/1979 | US4171562 Method for improving fatigue properties in castings |
| 09/25/1979 | US4168994 Thermal homogenization of steam generating tubing |
| 09/25/1979 | US4168993 Process and apparatus for sequentially forming and treating steel rod |
| 09/25/1979 | CA1062934A1 Semi-hard magnetic alloy and method of making |
| 09/25/1979 | CA1062933A1 Method for providing strong tough metal alloys |
| 09/18/1979 | US4168181 Wire manufacture |
| 09/04/1979 | US4166384 Semiconductor transducer |
| 09/04/1979 | CA1061690A1 Method for producing steel filaments |
| 08/28/1979 | US4165990 For use on transformer cores, of silica, magnesia and iron oxide |
| 08/14/1979 | CA1060321A1 Method for providing strong wire and strip |
| 08/14/1979 | CA1060320A1 Method of producing silicon-iron sheet material with boron addition and product |
| 08/08/1979 | EP0003367A1 A method for providing strong wire |
| 07/17/1979 | US4161415 Method for providing strong wire |
| 07/17/1979 | CA1058491A1 Process for producing a steel having excellent strength and toughness |
| 07/17/1979 | CA1058425A1 Pitting resistant stainless steel alloy having improved hot-working characteristics |
| 07/10/1979 | US4160681 Silicon steel and processing therefore |
| 07/03/1979 | US4159918 Alloying, hot rolling, annealing |
| 06/26/1979 | US4159218 Method for producing a dual-phase ferrite-martensite steel strip |
| 06/26/1979 | CA1057174A1 Grain-oriented silicon steel and processing therefor |
| 06/26/1979 | CA1057173A1 Processing for cube-on-edge oriented silicon steel |
| 06/12/1979 | US4157925 Texture annealing silicon steel |
| 05/29/1979 | CA1055369A Method for producing a high toughness and high tensile steel |
| 05/29/1979 | CA1055368A Processing for high permeability silicon steel |
| 05/15/1979 | CA1054495A1 Continuous annealing process for manufacturing high strength cold reduced steel sheet |
| 05/08/1979 | CA1054029A1 Continuous annealing process for steel sheet manufacture |
| 04/17/1979 | US4149911 Storage of a heat-recoverable alloy by applying stress with temperature |
| 03/27/1979 | US4146409 Process for making a high toughness-high strength iron alloy |
| 03/20/1979 | US4145235 Process for producing cold rolled steel sheet and strip having improved cold formabilities |
| 03/20/1979 | CA1050961A1 Method for cold processing of stainless steels |
| 03/20/1979 | CA1050863A1 Steels for electromagnetic applications |
| 03/08/1979 | WO1979000100A1 A process for the production of sheet and strip from ferritic,stabilised,stainless chromium-molybdenum-nickel steels |
| 03/06/1979 | US4142920 Process of manufacturing a steel strip by rolling, and strip obtained by said process |
| 03/06/1979 | US4142919 Manufacture of elongated bodies of high strength carbon steel |
| 03/06/1979 | CA1049906A1 Steel sheets and strips |
| 03/06/1979 | CA1049904A1 Method for elimination or furnace roll pickup marks on silicon containing sheet steel |
| 02/20/1979 | US4140553 Method for toughening treatment of metallic material |
| 02/06/1979 | US4138279 Method of producing stainless steel product |
| 02/06/1979 | US4138278 Method for producing a steel sheet having remarkably excellent toughness at low temperatures |
| 02/06/1979 | CA1047900A1 Method for producing large diameter steel pipes |
| 01/30/1979 | US4137104 As-rolled steel plate having improved low temperature toughness and production thereof |
| 01/30/1979 | CA1047372A1 Method for forming an insulating glass film on a grain-oriented silicon steel sheet having a high magnetic induction |
| 01/30/1979 | CA1047371A1 Grain-oriented steel |
| 01/23/1979 | CA1046900A1 Control devices for hydrostatic transmissions |
| 01/09/1979 | CA1045957A1 High strength steel rod of large gage |
| 01/09/1979 | CA1045955A1 Process for high permeability silicon steel |
| 12/26/1978 | CA1045007A1 High strength ductile hot rolled nitrogenized steel |
| 12/26/1978 | CA1045006A1 High strength ductile steel |
| 12/12/1978 | US4129461 Formable high strength low alloy steel |
| 12/05/1978 | CA1043669A1 Method of producing oriented silicon-iron sheet material with boron addition and product |
| 11/28/1978 | US4127429 Forsterite insulating films formed on surface of a grain-oriented silicon steel sheet having a high magnetic induction and a method of forming the same |
| 11/28/1978 | US4127427 Aluminum-chromium-zirconium-iron alloy |
| 11/14/1978 | US4125417 Method of salvaging and restoring useful properties to used and retired metal articles |
| 11/14/1978 | US4125416 Method for producing steel strip or steel sheet containing carbide and nitride forming elements |
| 11/14/1978 | CA1042322A1 Coatings for silicon steel |
| 11/07/1978 | US4124412 Columbium treated, non-aging, vacuum degassed low carbon steel and method for producing same |
| 11/07/1978 | CA1041884A1 Method for enhancing the drawability of low manganese steel strip |
| 11/07/1978 | CA1041883A1 Method for producing a high tensile strength and high toughness bend pipe |
| 11/07/1978 | CA1041879A1 Processing for high permeability silicon steel |
| 10/31/1978 | US4123298 Post decarburization anneal for cube-on-edge oriented silicon steel |
| 10/31/1978 | US4123296 Pearlite structure |
| 10/03/1978 | US4118255 Process for the production of a silicon steel strip with high magnetic characteristics |
| 09/26/1978 | US4116729 Containing aluminum |
| 09/26/1978 | CA1039159A1 Steels and method for production of same |
| 09/19/1978 | US4115161 Processing for cube-on-edge oriented silicon steel |
| 09/19/1978 | US4115160 Electromagnetic silicon steel from thin castings |