| Patents for C21D 5 - Heat treatment of cast-iron (891) |
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| 09/14/1988 | CN88101145A Improved method of heat treating ferrous alloys |
| 09/07/1988 | EP0281249A1 Improved method of heat treating ferrous metals |
| 08/31/1988 | EP0279896A1 Method of manufacturing cast iron sheaves for hoisting devices |
| 08/03/1988 | EP0276461A2 Method for processing large cast iron dies, particularly for vehicle sheet-metal pressing, and the apparatus for its implementation |
| 07/27/1988 | EP0275529A1 Method for preparing large cast iron dies, particularly for vehicle-sheet metal pressing, and the apparatus for its implementation |
| 07/06/1988 | CN85106684B Hot alumimized ferritic malleable cast iron-low temp. graphitization technique |
| 06/29/1988 | EP0272788A1 A method of making wear resistant gray cast iron |
| 06/22/1988 | EP0271688A1 Process for obtaining bainitic nodular cast iron castings |
| 06/01/1988 | DE3639658A1 Process for producing castings from a nodular graphite iron |
| 05/04/1988 | CN86107204A High-frequency isothermic quenching of ductile iron |
| 04/14/1988 | DE3730398A1 Verfahren zur beschleunigten abkuehlung von gussteilen A method for accelerated cooling-down of molded parts |
| 04/12/1988 | US4737199 Heat treatment |
| 03/02/1988 | CN86104863A Nodular cast iron with biphase structure of ferrite and bainite |
| 02/23/1988 | US4726417 Adamite compound roll |
| 01/26/1988 | US4721153 High-chromium compound roll |
| 12/01/1987 | CA1229777A1 Method of making cg iron |
| 11/24/1987 | CA1229508A1 Method of making high strength ferritic ductile iron parts |
| 08/05/1987 | EP0230716A1 Machinable ductile or semiductile iron |
| 05/19/1987 | US4666533 Controlling solidification, subjecting to austempering heat treatment |
| 04/29/1987 | CN86106729A New process for the heat treatment of malleable cast iron |
| 04/08/1987 | EP0217498A1 Hardenable cast iron |
| 03/25/1987 | CN85106684A Hot alumimized ferritic malleable cast iron-low temperature graphitization technique |
| 03/24/1987 | US4652724 Method of producing a camshaft |
| 02/17/1987 | US4643079 Iron piston having selectively hardened ring groove |
| 11/26/1986 | EP0203050A1 A method for manufacturing austempered spheroidal graphite iron |
| 10/28/1986 | US4619713 Method of producing nodular graphite cast iron |
| 10/14/1986 | US4617069 Annealing |
| 09/17/1986 | CN85102192A Process for producing nodular graphite malleable cast iron moulds for glass articles |
| 09/02/1986 | CA1210672A1 Method for at least partial isothermal bainitizing of workpieces made of ferrous materials |
| 08/13/1986 | EP0190458A1 Process and apparatus for continuously manufacturing spheroidal graphite cast iron pipes with a controlled microstructure |
| 08/06/1986 | CN85102110A Nodular cast iron with austenite and bainite and its mfr. process |
| 06/24/1986 | US4596606 Method of making CG iron |
| 03/12/1986 | EP0174087A2 A method of making compacted graphite iron |
| 03/04/1986 | CA1201366A1 Centrifugally cast tube of spheroidal graphite cast- iron and its method of manufacture |
| 02/25/1986 | US4572751 Spheroidal graphite particles; smooth crack resistant |
| 02/18/1986 | CA1200741A1 Method and apparatus for sectionwise heat treatment of component parts of ferrous materials |
| 11/21/1985 | EP0161624A2 Method of producing a camshaft |
| 11/21/1985 | EP0161408A2 Process for surface-hardening by remelting cast iron cylinders |
| 10/29/1985 | CA1195822A1 Procedure and means in the manufacturing of hard- surfaced, cast-iron objects, in particular of rolls such as rolls for the steel industry or paper rolls, and roll or equivalent manufactured by the procedure |
| 10/08/1985 | US4545825 Apex seals for high power rotary piston engines |
| 09/17/1985 | US4541878 Heat treatment, cooling, ductility |
| 07/16/1985 | US4528950 Cylinder/crank casing in cast iron for internal combustion engines |
| 07/10/1985 | EP0147422A1 Tough, wear- and abrasion-resistant, high chromium hypereutectic white iron |
| 06/19/1985 | EP0144907A2 Method of producing austempered spheroidal graphite cast iron body |
| 12/06/1984 | WO1984004760A1 Tough, wear- and abrasion-resistant, high chromium hypereutectic white iron |
| 11/13/1984 | US4482396 Method for making pitting resistant cast iron product |
| 10/24/1984 | EP0122379A1 Process for improving the resistance to thermal shocks of cast irons with lamellar graphite |
| 10/16/1984 | US4476824 A ledeburitic-martensitic structure |
| 10/09/1984 | US4475956 Casting iron alloy containing silicon, carbon, manganese, and nickel, forming graphite nodules upon solidification, and heat treatment |
| 08/28/1984 | US4467510 Method of conditioning a rotary valve seat |
| 08/21/1984 | US4467169 Cylinder liner |
| 08/02/1984 | WO1984002925A1 Method of making ductile cast iron with improved strength |
| 08/02/1984 | WO1984002924A1 Method of making high strength ferritic ductile iron parts |
| 06/05/1984 | US4452647 Rolls for steelmaking and paper calendering |
| 05/15/1984 | US4448610 Spray cooling in chill mold, then bainitisation in a furnace |
| 05/08/1984 | US4447275 Cylinder liner |
| 02/21/1984 | CA1162425A1 Abrasion resistant, machinable white cast iron |
| 10/18/1983 | US4410373 Process for heat treatment of a metal workpiece |
| 09/29/1983 | WO1983003261A1 Friction surface portion within a combustion chamber of a piston combustion engine and production method thereof |
| 09/07/1983 | EP0087634A1 Centrifugally cast tube made from spheroidal graphite cast iron, and process for the manufacture thereof |
| 07/26/1983 | US4395284 Alloy of iron, carbon, manganese, silicon, chromium and nickel |
| 06/09/1983 | WO1983001959A1 Process for the bainitic hardening at least partially isothermally of a cast iron part |
| 05/10/1983 | US4382828 Chromium cast iron and method of producing same |
| 12/01/1982 | EP0065678A1 Process and apparatus for heat treating sections of ferrous workpieces |
| 09/29/1982 | EP0061235A1 Abrasion resistant, machinable white cast iron |
| 07/20/1982 | US4340361 Apparatus for heat-treating cast iron pipes |
| 03/30/1982 | US4321950 Spheroidal graphite cast iron pipe and the process for producing same |
| 01/12/1982 | CA1116057A1 Heat treatment methods for annealing cast iron pipes |
| 06/03/1981 | EP0029539A1 Process for manufacturing chromium-containing cast iron and cast articles made therefrom |
| 02/17/1981 | US4250610 Casting densification method |
| 02/10/1981 | US4249724 Apparatus for tempering the surfaces of mutually displaced cams of a cast-iron camshaft |
| 11/12/1980 | EP0018703A2 Camshaft manufacturing process |
| 11/12/1980 | EP0018445A1 Process for the manufacture of castings of nodular castiron |
| 10/28/1980 | US4230506 Heat treating gray cast iron |
| 09/16/1980 | US4222793 Bainite |
| 03/25/1980 | US4194906 Wear resistant low alloy white cast iron |
| 01/23/1980 | EP0006946A1 Manufacturing process of metal pieces made of alloy cast iron exposed to wear |
| 12/04/1979 | US4177088 Immersion in bath of molten metal |
| 11/06/1979 | US4173500 Process for producing porous cast iron |
| 09/04/1979 | US4166756 Resistance to impact and wear |
| 06/27/1979 | EP0002555A1 Process of heat-treatment of articles of cast-iron containing nickel and chromium |
| 05/17/1979 | WO1979000274A1 Manufacturing process of metal pieces made of alloy cast iron exposed to wear |
| 05/08/1979 | US4153477 Engine seals and rings, quenching |
| 04/17/1979 | CA1052599A1 Wear resistant low alloy white cast iron |
| 11/07/1978 | US4124413 Wear and pitting resistant cast iron |
| 07/11/1978 | US4099994 High duty ductile case iron and its heat treatment method |
| 06/20/1978 | US4096002 High duty ductile cast iron with superplasticity and its heat treatment methods |
| 03/28/1978 | US4080715 Process for production of lamellar graphite-containing material |
| 12/28/1976 | US4000011 Chilling the surface area of a body of cast iron to form a layer of cemented carbide |
| 06/29/1976 | US3966511 Process for the manufacture of anti-abradant elements |
| 05/04/1976 | US3954133 Spheroidal graphite cast iron pipe of ferritic structure and method of producing the same |