GB915427A - Electric arc welding composition - Google Patents
Electric arc welding compositionInfo
- Publication number
- GB915427A GB915427A GB2049959A GB2049959A GB915427A GB 915427 A GB915427 A GB 915427A GB 2049959 A GB2049959 A GB 2049959A GB 2049959 A GB2049959 A GB 2049959A GB 915427 A GB915427 A GB 915427A
- Authority
- GB
- United Kingdom
- Prior art keywords
- weight
- carbonaceous material
- silica
- basic substance
- coke
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3607—Silica or silicates
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
A porous, agglomerated, submerged-arc welding composition is made by sintering, in an oxidizing atmosphere, a finely-divided mixture containing as the major constituent silica and a basic substance, the silica being present in at least that proportion relative to the basic substance theoretically required to form metasilicates, and as the minor constituent 10-30% by weight alumina and 4-15% by weight carbonaceous material. The basic substance may be an oxide of manganese, titanium, an alkali metal or an alkaline earth metal, and is preferably calcium oxide+magnesium oxide. The carbonaceous material may be coke, coal or wood (sawdust). The mixture may also contain up to 13% by weight of a halide such as calcium fluoride, barium fluoride, magnesium fluoride or cryolite. In order to increase its permeability to the oxidizing gases during sintering, the mixture may be moistened with 5-20% by weight of water. The exemplified mixtures contain (a) silica flour, silicomanganese slag (the analysis of which is given), fluorspar and coke breeze, and (b) silica flour, high-carbon ferrochromium slag (the analysis of which is given), calcined caustic magnesite and metallurgical coke. The sintering temperature should be that necessary to bring the materials to their point of incipient fusion (and ignite the carbonaceous material).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74302058A | 1958-06-19 | 1958-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB915427A true GB915427A (en) | 1963-01-09 |
Family
ID=24987202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2049959A Expired GB915427A (en) | 1958-06-19 | 1959-06-15 | Electric arc welding composition |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE579608A (en) |
| GB (1) | GB915427A (en) |
| MY (1) | MY6400094A (en) |
-
1959
- 1959-06-12 BE BE579608A patent/BE579608A/en unknown
- 1959-06-15 GB GB2049959A patent/GB915427A/en not_active Expired
-
1964
- 1964-12-31 MY MY6400094A patent/MY6400094A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY6400094A (en) | 1964-12-31 |
| BE579608A (en) | 1959-12-14 |
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