CN1293094A - Antiwear special surfacing welding electrode - Google Patents
Antiwear special surfacing welding electrode Download PDFInfo
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- CN1293094A CN1293094A CN 00134182 CN00134182A CN1293094A CN 1293094 A CN1293094 A CN 1293094A CN 00134182 CN00134182 CN 00134182 CN 00134182 A CN00134182 A CN 00134182A CN 1293094 A CN1293094 A CN 1293094A
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- antiwear
- welding electrode
- surfacing welding
- welding
- electrode
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Abstract
An antiwear welding electrode for build-up welding is made up through coating the low-carbon steel core with chemical covering containing ferromanganese, ferrotitanium, quatz, felspar, marble, titanium pigment, rutile, fluorite, graphite, rare-earth and cellulose. Its advantages include high anticracking and antiwear performance, no need of preheating, and high hardness of welded layer (HRC50-52).
Description
The present invention relates to antiwear special surfacing welding electrode, relate to specifically a kind ofly be prepared from surfacing welding by multiple alloying constituent with good wearability and crack resistance.
At present, " wearing and tearing " have become metal material and the main failure forms of the machine components made by it, and cause tremendous loss to national economy thus.Therefore, develop effective and economic high-abrasive material national economy is had significant meaning.The quick-wear surface of part adopts appropriate overlay cladding can significantly improve its service life, and this is to reasonable use material (particularly saving precious metal), improves product design, enhances product performance, reducing cost greatly has crucial meaning.Therefore in recent decades, developed countries such as Germany, the U.S., Switzerland pay much attention to the development and the application of this art always.And technique for overlaying is widely used in the device fabrication and reparation of 165 industries such as power station, iron and steel, cement, weaving, building, mining, oil, papermaking, agricultural machinery and communications and transportation.Thereby brought huge economic benefit.For example the data according to nearest German published show: annual built-up welding total metal content on part reaches more than 100,000 ton, and more than 20 hundred million marks economize on the use of funds.China just begins to use this technology from the fifties end, because it demonstrates good technical-economy, so develop very fast, use also more and more wider, but according to a series of surfacing weldings that China produces at present, it is narrow that ubiquity application surface, and performance is single.Particularly there is following shortcoming in the surfacing welding of middle and high hardness: overlay cladding easily cracks and peels off, and wear-resistant life-span reduced; Exist the built-up welding moulding bad, need before the built-up welding workpiece is carried out preheating, brought very burden for the manufacturing and repair.These deficiencies hamper the further extensive use of surfacing welding always.As domestic employed surfacing welding: D612, D615 etc., must be preheated to more than 400 ℃ high temperature to workpiece before the weldering can built-up welding, otherwise will crack.In order to develop more effective and hardfacing electrode easily, so optimize alloy system, good, the easy to operate hardfacing electrode of development anti-wear performance becomes industry mechanical wear working condition problems extremely to be solved such as metallurgy, chemical industry, oil, agricultural machinery.
The object of the present invention is to provide a kind of overlay cladding to form, have good anti-strip, crack resistance and wearability, do not need before the built-up welding workpiece is carried out preheating, easy to operate antiwear special surfacing welding electrode by multiple alloying element.
The object of the present invention is achieved like this: it forms electrode coating through mixing by ferromanganese, ferrotianium, quartz, feldspar, marble, titanium dioxide, rutile, fluorite, graphite, rare earth and cellulose substantially, extrusion forms on low carbon steel welding core, it is characterized in that electrode coating is the antiwear special surfacing welding electrode that the feedstock production by following weight parts (kg) forms; The quartzy 0-5 feldspar of marble 20-30 titanium dioxide 2-4 3-5 ferrotianium 4-10 ferromanganese 20-30 fluorite 15-20 graphite 0.5-1 cellulose 1-2 rutile lO-15 rare earth 5-10.
The present invention compared with prior art, it has good crack resistance and wearability, operating procedure is convenient, but AC/DC, do not need before the weldering workpiece is carried out preheating, can be under the normal temperature state, directly built-up welding and do not produce any crackle, can obtain higher hardness again, surfacing hardness remains on HRC50～52.
Further specify the present invention below in conjunction with embodiment
EXAMPLE l
With ferrotianium 7kg, marble 25kg, titanium dioxide 3kg, quartzy 3kg, graphite 0.8kg, ferromanganese 25kg, feldspar 4kg, fluorite 17kg, rutile 12kg, rare earth 8kg, cellulose 7kg, the difference crushing screening, ferroalloy 60 order all-pass mistakes wherein, all the other nonmetallic substance 40 order all-pass mistakes, after mixing, in mixing in 25% the ratio adding dry powder, adopt the hydraulic press extrusion with 2.8M, 48 ° of Be potassium-sodium water glasses on the H08A welding wire.Extrusion is after 24 hours low temperature dries, and hyperthermia drying promptly gets antiwear special surfacing welding electrode (RHD-50) then.
Claims (1)
1, antiwear special surfacing welding electrode, it forms electrode coating through mixing by ferromanganese, ferrotianium, quartz, feldspar, marble, titanium dioxide, rutile, fluorite, graphite, rare earth and cellulose substantially, extrusion forms on low carbon steel welding core, it is characterized in that electrode coating is the antiwear special surfacing welding electrode that the feedstock production by following weight parts (kg) forms; The quartzy 0-5 feldspar of marble 20-30 titanium dioxide 2-4 3-5 ferrotianium 4-10 ferromanganese 20-30 fluorite 15-20 graphite 0.5-1 cellulose 1-2 rutile 10-15 rare earth 5-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00134182 CN1099338C (en) | 2000-12-07 | 2000-12-07 | Antiwear special surfacing welding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00134182 CN1099338C (en) | 2000-12-07 | 2000-12-07 | Antiwear special surfacing welding electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1293094A true CN1293094A (en) | 2001-05-02 |
| CN1099338C CN1099338C (en) | 2003-01-22 |
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ID=4596100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00134182 Expired - Fee Related CN1099338C (en) | 2000-12-07 | 2000-12-07 | Antiwear special surfacing welding electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1099338C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958213B (en) * | 2005-11-01 | 2010-12-08 | 哈尔滨理工大学 | Stainless steel welding rod of new dregs series |
| CN107088719A (en) * | 2017-03-09 | 2017-08-25 | 洛阳双瑞特种合金材料有限公司 | One kind can post weld heat treatment low-alloy steel electrode |
-
2000
- 2000-12-07 CN CN 00134182 patent/CN1099338C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958213B (en) * | 2005-11-01 | 2010-12-08 | 哈尔滨理工大学 | Stainless steel welding rod of new dregs series |
| CN107088719A (en) * | 2017-03-09 | 2017-08-25 | 洛阳双瑞特种合金材料有限公司 | One kind can post weld heat treatment low-alloy steel electrode |
| CN107088719B (en) * | 2017-03-09 | 2019-04-09 | 洛阳双瑞特种合金材料有限公司 | One kind can post weld heat treatment low-alloy steel electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1099338C (en) | 2003-01-22 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |