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4892580 |
Lead-containing additive for steel melts
The present invention provides a lead-containing additive for steel melts, wherein it is in the form of a cored wire consisting of a metallic sheath and finely-divided filling material, the...
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4863684 |
Method and apparatus for adding shot to molten steel
A vertical first stream of molten metal flows from a ladle into the tundish of a continuous casting apparatus. A second stream composed of solid, particulate alloying ingredient and a non-oxidizing...
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4806304 |
Free cutting steel
Sulfur-containing free-cutting steel may have an improved machinability and fewer defects by adding certain amounts of Te, Pb and Bi to prevent elongation of sulfide inclusion particles, and by...
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4781887 |
Production of steels containing low melting point metals
A method of producing a steel alloy containing lead or bismuth which includes fluorine molten lead or bismuth through a hollomed stopper rod positioned above a nozzle opening in the bottom of a...
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4751047 |
Method of adding low-melting-point metal to molten steel
A method of adding low-melting-point metal to molten steel by injecting molten low-melting-point metal into the vessel containing the molten steel through a portion of the side wall of the vessel...
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4747584 |
Apparatus for injecting alloying ingredient into molten metal stream
A vertical conduit extends from the bottom of a ladle containing molten metal and terminates at a lower end above a tundish for receiving the molten metal. A vertical shroud encloses the vertical...
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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...
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4602949 |
Method and apparatus for adding solid alloying ingredients to molten metal stream
An elongated, vertical conduit has an upper end, communicating with the bottom opening in an upper container or ladle, and an open lower end disposed above the top surface of a bath of molten metal...
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4389249 |
Method for adding ingredient to steel as shot
Alloying ingredients are added as shot to a pouring stream of molten steel flowing from a ladle to a casting mold. The size of the shot is controlled to enhance the recovery and uniformity of...
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4326886 |
Steel for cold forging having good machinability and the method of making the same
A steel for cold forging containing C up to 0.6%, Si up to 0.5%, Mn up to 2.0%, S 0.003 to 0.04% and Te up to 0.03%, wherein ratio %Te/%S being at least 0.04, and further, Al up to 0.04%, N up to...
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4244737 |
Method and alloy for introducing machinability increasing ingredients to steel
Lead, bismuth and tellurium and/or sulfur are added to steel, to increase the machinability of the steel, in an addition alloy consisting essentially of 5-40 parts lead, 5-40 parts bismuth, up to 6...
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4203763 |
Method of manufacturing a lead alloy steel and a steel made according to the method
Lead alloy steels, containing 0.15-0.35% of lead in the form of inclusions of average diameter less than 100 μm evenly distributed over a cross-sectional area, and without a tendency to...
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4200458 |
Method for the alloying of a metal melt
A method for the alloying of a metal melt with an alloying material by pneumatic injection of such element through a lance which is submerged in the melt. The alloying material may be lead or...
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3869283 |
Alloying steels
A method of adding an alloying addition, such as lead, to a ferrous metal, by bubbling inert gas, such as argon, through the ferrous metal whilst the metal is contained in a ladle and adding the...
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3836359 |
METHOD OF PRODUCING LEADED STEEL
High lead content of uniformly dispersed finely divided particles is obtained in cast steel through a programmed addition of lead to molten steel in a vessel and control of other process factors,...
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3141767 |
Steel casting process and apparatus
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2947622 |
Method of making lead-containing steels
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2854716 |
Method of adding lead to steel
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3820982 |
Title is not available
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3756805 |
Title is not available
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3671224 |
Title is not available
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3728109 |
Title is not available
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3723103 |
Title is not available
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