US173159A - Improvement in processes of preparing metal for castings - Google Patents
Improvement in processes of preparing metal for castings Download PDFInfo
- Publication number
- US173159A US173159A US173159DA US173159A US 173159 A US173159 A US 173159A US 173159D A US173159D A US 173159DA US 173159 A US173159 A US 173159A
- Authority
- US
- United States
- Prior art keywords
- steel
- castings
- metal
- iron
- improvement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 title description 18
- 229910052751 metal Inorganic materials 0.000 title description 18
- 238000005266 casting Methods 0.000 title description 7
- 238000000034 method Methods 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 description 28
- 239000010959 steel Substances 0.000 description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000805 Pig iron Inorganic materials 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
Definitions
- My invention relates to a new process of preparing metal designed for chilled and other castings, yet possessing great tensile strength; and consists in adding to molten pig or cast iron, or both, scraps or pieces of steel after the molten metal is drawn from the furnace, but before the said metal is poured into the mo1ds,the said scraps or pieces of steel being melted bythe said bath withoutcoiitact with blast of air, being immersed in the said bath.
- My invention ous in texture, and which is admirably adapted to all kinds of chilled castingsf My invention consists as follows: I take pig-iron, scrap cast-iron, or both, and melt them in a suitable furnace when I run the said metal into a ladle, shanks, or other reservoir, previous to pouring it into the molds.
- the molten iron is not sufficiently hot to melt the steel and still retain the fluidity required in metal designed for chilled and other castings. I therefore heat the said large pieces of steel, but not to the melting-poinu- I then put the .said heated pieces of steel intothe molten iron before pouring, which melts them without reducing the fluidity of the mass to an extent to prevent its flowing rapidly into the molds, asrequired in metal designed for chilled and other. castings.
- the result is a metal that will readily chill, and yet possess great tensile strength without any great waste of steel by oxidation, and may be employed in the construction of car-wheels, plow'moldboards, and other articles where chilled or other cast metal is employed.
- the proportion of steel to molten metal will vary with the character of the molten metal, also with the character of the steel, and the use to which the casting is is be applied.
- car-wheels have been made of wrought-iron and pig-iron, or of wroughtiron, pig-iron, and steel, and. also of mixed steel, low steel, or steel sponge, and cast-iron,
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
' pieces of steel.
mm sums SAMUEL M. CARPENTER, 0F, CLEVELAND, OHIO,
IMPROVEMENT m PROCESSES '01- PREPARING METAL FoR c sTiNes.
Specification forming part of Letters Patent No. 173,159, dated February 8,1876 application filed I July 15, 1875.
To all whom z't may concern:
Be it known that I, SAMUEL M. CARPENTER, of Cleveland, in-the county of Guyahoga and State of Ohio, have-invented certain new and useful Improvements in Process of Preparing Metal for Castings; and I do hereby declare the following to.be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the specification.
My invention relates to a new process of preparing metal designed for chilled and other castings, yet possessing great tensile strength; and consists in adding to molten pig or cast iron, or both, scraps or pieces of steel after the molten metal is drawn from the furnace, but before the said metal is poured into the mo1ds,the said scraps or pieces of steel being melted bythe said bath withoutcoiitact with blast of air, being immersed in the said bath.
I' have found byexperiment that the steel,
as it melts under such conditions, seems immediately to permeate the entire mass of molten iron, making it homogeneous throughout its entire extent and bulk. It is well known a that steel, when melted in a cupola-furnace,
ous in texture, and which is admirably adapted to all kinds of chilled castingsf My invention consists as follows: I take pig-iron, scrap cast-iron, or both, and melt them in a suitable furnace when I run the said metal into a ladle, shanks, or other reservoir, previous to pouring it into the molds.
I then throw into the said 'molten'mass scraps of steel, such as steel turnings and other small I stir this right into the molt-- en metal. The heat thereof is sufficient to melt the said steel, and it is effected without of steel in any kind of furnace where the molten steel is exposed to air, and without such reduction of temperature as to destroy the proper fluidity for making the desired castings. Instead of 'Working small particles of steel, such as steel turnings, I may use larger pieces of steel, such as-parts of steel railroadrails, fag or butt ends, 860. v
When I employ large pieces of steel the molten iron is not sufficiently hot to melt the steel and still retain the fluidity required in metal designed for chilled and other castings. I therefore heat the said large pieces of steel, but not to the melting-poinu- I then put the .said heated pieces of steel intothe molten iron before pouring, which melts them without reducing the fluidity of the mass to an extent to prevent its flowing rapidly into the molds, asrequired in metal designed for chilled and other. castings. The result is a metal that will readily chill, and yet possess great tensile strength without any great waste of steel by oxidation, and may be employed in the construction of car-wheels, plow'moldboards, and other articles where chilled or other cast metal is employed.
I When it is desired to draw the molten metal from an air-furnace directly into the molds, as is frequently done, then I add the scraps or pieces of steel to the molten metal in into the furnace before drawing ofl' into the s molds can be accomplished without departing from the principle of my invention in all kinds of furnaces as, for instance, the ordinary air-furnace, where the molten metal is not subjected to a blast of air, which would act directly on steel to burnit.
The proportion of steel to molten metal will vary with the character of the molten metal, also with the character of the steel, and the use to which the casting is is be applied.
I am aware that car-wheels have been made of wrought-iron and pig-iron, or of wroughtiron, pig-iron, and steel, and. also of mixed steel, low steel, or steel sponge, and cast-iron,
PATIENT orrroa ing scraps or pieces of steel, which may or may not have been previously heated, with molten cast or pig iron, in the manner described, and immediately before pouring the metal, substantially as. and for the purpose set forth. a In testimony. whereof I have signed my name to this specification in the presence of two'subsoribing witnesses.
SAMUEL M. CARPENTER.
Witnesses:
JAMES WADE, Jr., JAMES T. WORLEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US173159A true US173159A (en) | 1876-02-08 |
Family
ID=2242566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US173159D Expired - Lifetime US173159A (en) | Improvement in processes of preparing metal for castings |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US173159A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2586315A (en) * | 1949-03-30 | 1952-02-19 | Commentry Fourchambault & Deca | Treatment process for hypereutectic cast irons |
-
0
- US US173159D patent/US173159A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2586315A (en) * | 1949-03-30 | 1952-02-19 | Commentry Fourchambault & Deca | Treatment process for hypereutectic cast irons |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Heidari et al. | Ablation casting of thin-wall ductile iron | |
| CN1039985A (en) | Process method of double-metal composite cast ball mill liner | |
| US4194906A (en) | Wear resistant low alloy white cast iron | |
| US3565698A (en) | Fast-annealing malleable cast iron method | |
| US2519593A (en) | Trough for use in alloying metals | |
| Haque | Investigation on properties and microstructures of spheroidal graphite Fe–C–2Si and Fe–C–2Al cast irons | |
| US3367395A (en) | Method and apparatus for treating molten metals | |
| US2490818A (en) | Cast-iron pipe | |
| RU2364649C1 (en) | Modifier with refinement effect | |
| SU985053A1 (en) | Method of producing cast iron with ball-shaped graphite | |
| CN104109799A (en) | High-toughness wear-resistant bucket teeth of excavator/loader and production method of high-toughness wear-resistant bucket teeth | |
| US186955A (en) | Improvement in composition casting metal for making rolls | |
| USRE6558E (en) | Assxg-zxob | |
| US289741A (en) | Method of casting car-wheels | |
| US228615A (en) | Charles j | |
| SU980952A1 (en) | Method of producing bimetallic steel-copper based alloy castings | |
| SU539078A1 (en) | Synthetic slag for casting metals and alloys | |
| SU516746A1 (en) | The method of alloying cast iron | |
| SU394435A1 (en) | METHOD OF ALLOCATION OF THE CAST IRON ALUMINUM | |
| SU855050A1 (en) | Steel | |
| SU1232699A1 (en) | Cast iron for centrifugally cast bushing and pipe billets | |
| US169261A (en) | Improvement in the manufacture of castings from wrought and cast iron | |
| US723601A (en) | Manufacture of cast-iron alloys. | |
| US310901A (en) | Henry marbeau | |
| Teodorescu | Casting of Pig Iron With Spheroidal Graphite in Cold Ceramic Molds |