US97953A - Improvement in cast-steel tube or ingot - Google Patents
Improvement in cast-steel tube or ingot Download PDFInfo
- Publication number
- US97953A US97953A US97953DA US97953A US 97953 A US97953 A US 97953A US 97953D A US97953D A US 97953DA US 97953 A US97953 A US 97953A
- Authority
- US
- United States
- Prior art keywords
- steel
- cast
- ingot
- improvement
- steel tube
- 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
- 229910001208 Crucible steel Inorganic materials 0.000 title description 12
- 229910000831 Steel Inorganic materials 0.000 description 24
- 239000010959 steel Substances 0.000 description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 235000009781 Myrtillocactus geometrizans Nutrition 0.000 description 2
- 240000009125 Myrtillocactus geometrizans Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 230000003137 locomotive Effects 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000002639 sodium chloride Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
Definitions
- the object of this invention is to produce hollow ingots or tubes of liighly-carhonizcd cast-steel, which will possess all the onalitics of the best tool or cutlery-stee-l, and admit of being drawn under thehamn er or rolling-mill to the required thickness, diameter, and length, for conversion into a variety of useful articles which have hitherto been made of iron or low steel, by punching ou -welding, such, for instance, as steam-pipes, gun-barrels, boiler-fines, tubular fines, tubular shafting, hollow axles, axle-boxes, spindles, locomotive, marine, or other tines, and rings for spinning-frames and other purposes.
- the steel which is carbonized to a high degree, say one per centum, is poured from the melting-pot into a cylindric mould, of suitable dimensions, containing a core in its centre, which will produce a tube or hollow ingot.
- 'lho mould may be made in the usual manner for casting cast-steel ingots, with these important differences, to wit:
- the core which is arranged centrally in the mould, may be" made of a cylindrical bar of cast-steel; or it may be made of a mixture of sand and fionr, with a hole through its centre, for allowing the upward and downward escapeof air and gas from the mould-chamber while pouring in the steel.
- the ingot in cooling, will contract very firmly around it, and may be removed by heating and expanding by hammering; and if the core ismade of sand, it can be readily broken up and cleared out of the ingot, after the latter has cooled.
- Hollow ingots thus produced will be highly carbonized, and when properly heated, may be drawn, by hammering or rolling them, and a great variety of useful articles may 'be produced from them, without weld 01' seam.
Description
"titrated tatw we iiiiinr.
Letters Patent N 97 ,953, dated December 14, 1869; mzteduiecl December 8, 1869.
IMPROVEMENT IN CAST-STEEL TUBE OR ING-OT.
The Schedule referred to in these Letters Patent and making part of the same.
lngot; and I do hereby declare that the Following is 'a full, Clear, and exactdcscripiion 01 l he mode of produeing the same."
The object of this invention is to produce hollow ingots or tubes of liighly-carhonizcd cast-steel, which will possess all the onalitics of the best tool or cutlery-stee-l, and admit of being drawn under thehamn er or rolling-mill to the required thickness, diameter, and length, for conversion into a variety of useful articles which have hitherto been made of iron or low steel, by punching ou -welding, such, for instance, as steam-pipes, gun-barrels, boiler-fines, tubular fines, tubular shafting, hollow axles, axle-boxes, spindles, locomotive, marine, or other tines, and rings for spinning-frames and other purposes.
The ditliculty hitherto experienced in attempts at the production of hi'ghly-oarbonizml steel ingots or tubes, by casting them in moulds, is chiefly owing to the extreme brittlenessand int-ractability of steel when this charged with carbon above, say, one per ccntum, and also the porosity and imperfections of the steel after it is moulded.
These diiiieulties l have overcome, by a process or treatment which is exceedingly simple and equally ef fective.
1 will commence, by stating the several ingredients entering into the compositionot' the steel'which I prefer to use,,andtheir relative proportions.
For a pot of steel wcighing'filty pounds, I take about thirty' pounds of Peru or Swedish iron, twenty poundsof scrap-steel, five ounces of charcoal-powder, six ounces of refined manganese, and three ounces of rock-salt.
These substances are melted together until the mass attains a very high degree of heat, and becomes what is technically known as dead steel. It is then skinned, to remove these floating impurities, and allowed to stand until it is ready for pouring.
After conversion, "the steel, which is carbonized to a high degree, say one per centum, is poured from the melting-pot into a cylindric mould, of suitable dimensions, containing a core in its centre, which will produce a tube or hollow ingot.
'lho mould may be made in the usual manner for casting cast-steel ingots, with these important differences, to wit:
Near the bottom of the mould, where the two halves or sections join, small holes or conduits are made through its walls, which are designed for allowing a free escape of air from the bottom of the mould-charm her during the lilling thereof with steel, and thus'pre vent imperfect-ions in the castings, danger from explosion, or expulsion of the liquid metal from. the mould, which would be liable to occur if the air-vents were not made, stated.
The core, which is arranged centrally in the mould, may be" made of a cylindrical bar of cast-steel; or it may be made of a mixture of sand and fionr, with a hole through its centre, for allowing the upward and downward escapeof air and gas from the mould-chamber while pouring in the steel.
If the core is made of metal, the ingot, in cooling, will contract very firmly around it, and may be removed by heating and expanding by hammering; and if the core ismade of sand, it can be readily broken up and cleared out of the ingot, after the latter has cooled.
I attribute my success in the production of highlycarbonized steel castings, chiefly to the free escape of air and gas from the mould during the operation of pouring the metal therein. vIn the case of the hollow sand core, the air. and gas will pass off freely through it, and may be observed, in the form of blue flame, issuing from each end of the core; and in the case of the metal corc,..the air csapes from the mould, near its base.
Hollow ingots thus produced will be highly carbonized, and when properly heated, may be drawn, by hammering or rolling them, and a great variety of useful articles may 'be produced from them, without weld 01' seam.
Having described my invention,
, \Vhat I claim as new, and desire to secure by Let: ters Patent, is
As a new article of manufacture, a cast-steel tube, which is produced substantially as described.
0. B. MORSE. Witnesses JULIUs Huison', R. '1. CAMPBELL.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US97953A true US97953A (en) | 1869-12-14 |
Family
ID=2167413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US97953D Expired - Lifetime US97953A (en) | Improvement in cast-steel tube or ingot |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US97953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040067745A1 (en) * | 2002-10-02 | 2004-04-08 | Amperion, Inc. | Method and system for signal repeating in powerline communications |
-
0
- US US97953D patent/US97953A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040067745A1 (en) * | 2002-10-02 | 2004-04-08 | Amperion, Inc. | Method and system for signal repeating in powerline communications |
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