CN104060211A - Surface processing method and titanium sponge reductive distillation pot - Google Patents
Surface processing method and titanium sponge reductive distillation pot Download PDFInfo
- Publication number
- CN104060211A CN104060211A CN201410111112.4A CN201410111112A CN104060211A CN 104060211 A CN104060211 A CN 104060211A CN 201410111112 A CN201410111112 A CN 201410111112A CN 104060211 A CN104060211 A CN 104060211A
- Authority
- CN
- China
- Prior art keywords
- distillation tank
- technique
- treatment method
- surface treatment
- reduction distillation
- 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.)
- Pending
Links
Abstract
The invention discloses a surface processing method of a titanium sponge reductive distillation pot and a titanium sponge reductive distillation pot which is processed by using the processing method. The processing method includes a step of spraying alloy steel and/or nonferrous metals on an outer surface of the titanium sponge reductive distillation pot. The titanium sponge reductive distillation pot which is processed by using the processing method in the invention is significantly prolonged in service life and is improved in anti-deformation capability so that a production cost of a production technology of titanium sponges can be reduced.
Description
Technical field
The present invention relates to metal material field, particularly, relate to a kind of surface treatment method and a kind of titanium sponge reduction distillation tank of titanium sponge reduction distillation tank.
Background technology
" titanium sponge " typically refers to the spongy metal titanium of producing by for example metal deoxidization, its purity is generally 99.1-99.7 % by weight, impurity element total amount is 0.3-0.9 % by weight, and hardness (HB) is 100-157, is divided into five grades according to the difference of purity.
Due to good performance, titanium or titanium alloy has obtained application comparatively widely in every profession and trade at present, and titanium sponge mainly adopts magnesium method to produce at present, and the reduction distillation step in sponge titanium producing process by magnesium method need to be used reduction distillation tank.In titanium sponge production process, to avoid various metallic impurity to enter titanium sponge as far as possible, therefore must ooze titanium processing to reduction distillation tank, even if but carried out oozing titanium processing, impurity element in reduction distillation tank still inevitably enters in titanium sponge on a small quantity, thereby the quality of titanium sponge is exerted an influence.
In prior art, in order to reduce the impact on titanium sponge quality, in the selection of the material of reduction distillation tank, there is certain restriction, generally all make reduction distillation tank with carbon sheet.Because carbon steel composition is single and contain hardly alloying element, therefore can prevent that the element such as Ni, Cr from entering titanium sponge, thereby alleviate to a certain extent the control difficulty of titanium sponge quality.
But, in actual use, serious " decortication " phenomenon of the normal appearance of reduction distillation tank, thereby make the thickness attenuate gradually of reduction distillation tank steel plate, after use for some time, the remarkable decline of the intensity of reduction distillation tank and distortion seriously cause scrapping, and have increased considerably the production cost of titanium sponge production technique.
Summary of the invention
The object of this invention is to provide a kind of surface treatment method of titanium sponge reduction distillation tank, the titanium sponge reduction distillation tank obtaining through this surface treatment method can overcome the defect of prior art, stop normal " decortication " phenomenon occurring of reduction distillation tank, prevent the distortion of reduction distillation tank, and the work-ing life of improving titanium sponge reduction distillation tank, thereby can reduce the production cost of titanium sponge production technique.
To achieve these goals, the invention provides a kind of surface treatment method of titanium sponge reduction distillation tank, the method is included in outside surface spraying steel alloy and/or the non-ferrous metal of titanium sponge reduction distillation tank.
Another object of the present invention is to provide a kind of titanium sponge reduction distillation tank, and described titanium sponge reduction distillation tank obtains after surface treatment method of the present invention is processed.
Can overcome the defect of prior art by technique scheme, stop normal " decortication " phenomenon occurring of reduction distillation tank, prevent the distortion of reduction distillation tank, improve the work-ing life of titanium sponge reduction distillation tank, thereby can reduce the production cost of titanium sponge production technique.
Other features and advantages of the present invention are described in detail the embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, " carbon steel " of use refers to the iron-carbon that the massfraction of carbon is less than 2.11%, wherein generally also contains the elements such as a small amount of silicon, manganese, sulphur and phosphorus, also can be described as carbon steel.
In the present invention, in the situation that not doing contrary explanation, " steel alloy " of use refers to the iron-carbon that adds one or more appropriate alloying elements and form on the basis of plain carbon stool or carbon steel.
In the present invention, in the situation that not doing contrary explanation, " non-ferrous metal " using refers to all metals except de-iron (also can except demanganize and chromium) and ferrous alloy and their alloy, mainly comprises heavy metal (as copper, lead, nickel, zinc, titanium), light metal (as aluminium, magnesium), precious metal (as gold and silver, platinum) and rare metal (as tungsten, molybdenum, germanium, lithium, lanthanum, uranium) etc.
In the present invention, in the situation that not doing contrary explanation, " steel alloy and/or the non-ferrous metal layer " of use comprises steel alloy layer, concrete three kinds of embodiments of non-ferrous metal layer and steel alloy layer and non-ferrous metal layer.
An object of the present invention is to provide a kind of surface treatment method of titanium sponge reduction distillation tank, the method is included in outside surface spraying steel alloy and/or the non-ferrous metal of titanium sponge reduction distillation tank.
In the present invention, there is no particular limitation for the quality grade of alloy steel and non-ferrous metal steel, and those skilled in the art can according to actual needs and consider that the factors such as production cost select.
The work-ing life of the reduction distillation tank obtaining through above-mentioned surface treatment method processing of the present invention is compared with improving at least 0.5 times the work-ing life of the reduction distillation tank of prior art, thereby can reduce the production cost of titanium sponge production technique, and titanium sponge reduction distillation tank " decortication " phenomenon obtaining significantly improved, and be of value to the quality of the titanium sponge that further raising produces.
Preferably, according to surface treatment method of the present invention, in order to make to utilize the tank body resistance of oxidation of reduction distillation tank of the present invention to strengthen, described steel alloy is at least one being selected from stainless steel, high chromium content ferrite high temperature steel and high chromium nickel heat-resisting steel; More preferably stainless steel.
Preferably, according to surface treatment method of the present invention, in order to make to utilize the tank body resistance of oxidation of reduction distillation tank of the present invention further to strengthen, described non-ferrous metal is at least one being selected from titanium or titanium alloy, copper and copper alloy and nickel and nickelalloy, for example, be the nonferrous metal powders such as nickel bag titanium, nickel copper-clad; More preferably nickel bag titanium.Described nickel bag titanium refers at the surface of titanium parcel one deck nickel, and nickel accounts for the 10-20% of the volume of whole nickel bag titanium; Described nickel copper-clad refers at the surface of copper parcel one deck nickel, and nickel accounts for the 10-20% of the volume of whole nickel copper-clad.In the present invention, described titanium alloy refers on the basis of titanium, adds a small amount of one or more elements except carbon elimination or iron and the alloy that forms; Described copper alloy refers on the basis of copper, adds a small amount of one or more elements except carbon elimination or iron and the alloy that forms; Described nickelalloy refers on the basis of nickel, adds a small amount of one or more elements except carbon elimination or iron and the alloy that forms.
Preferably, according to surface treatment method of the present invention, described steel alloy and non-ferrous metal can be all powder type.
Preferably; according to surface treatment method of the present invention; in order to reduce production costs; increase the work-ing life that ensures reduction distillation tank of the present invention; and the non-deformability of guaranteeing reduction distillation tank strengthens; at the outside surface spraying steel alloy of reduction distillation tank, the thickness that makes steel alloy layer is 0.2-2mm, more preferably 0.5-1.5mm.
Preferably; according to surface treatment method of the present invention; in order to reduce production costs; increase the work-ing life that ensures reduction distillation tank of the present invention; and the non-deformability of guaranteeing reduction distillation tank strengthens; outside surface at reduction distillation tank is coated with non-ferrous metal, and the thickness that makes non-ferrous metal layer is 0.2-2mm, more preferably 0.5-1.5mm.
Preferably; according to surface treatment method of the present invention; in order to reduce production costs; increase the work-ing life that ensures reduction distillation tank of the present invention; and the non-deformability of guaranteeing reduction distillation tank strengthens; at outside surface spraying steel alloy and the non-ferrous metal of reduction distillation tank, the thickness that makes steel alloy and non-ferrous metal layer is 0.2-2mm, more preferably 0.5-1.5mm.The present invention to spraying steel alloy layer and the number of plies of non-ferrous metal layer there is no particular limitation, as long as spraying the thickness of steel alloy layer and the thickness of non-ferrous metal layer be aggregated within the scope of 0.2-2mm, thickness adds up to preferably within the scope of 0.5-1.5mm.If when steel alloy layer and non-ferrous metal layer are multilayer, the steel alloy layer of every one deck and the thickness of non-ferrous metal layer can be the same or different, as long as the thickness of all steel alloy layers and all non-ferrous metal layers is aggregated within the scope of 0.2-2mm, thickness adds up to preferably within the scope of 0.5-1.5mm.
Preferably, according to surface treatment method of the present invention, the technique of described spraying is at least one being selected from plasma spray coating process, supersonic spray coating technique, flame plating technique and detonation flame spraying technique; More preferably plasma spray coating process and/or supersonic spray coating technique.Wherein, in the present invention, described supersonic spray coating technique can comprise at least one in Supersonic Plasma Spraying and hypersonic flame spraying.
Preferably, according to surface treatment method of the present invention, in order to reduce production costs, and increase the work-ing life that ensures reduction distillation tank of the present invention, when described spraying coating process is flame plating technique, the grain graininess of described Alloy Steel Powder is 150-320 order, is preferably 180-250 order.
Preferably, according to surface treatment method of the present invention, when described spraying coating process is at least one in plasma spray technique, supersonic spray coating technique and detonation flame spraying technique, the grain graininess of described Alloy Steel Powder is 10-50 order, is preferably 20-40 order.
Preferably, according to surface treatment method of the present invention, in order to reduce production costs, increase the work-ing life that ensures reduction distillation tank of the present invention, improve " decortication " phenomenon of reduction distillation tank, when described spraying coating process is flame plating technique, the grain graininess of described nonferrous metal powder is 150-320 order, is preferably 180-250 order.
Preferably, according to surface treatment method of the present invention, when described spraying coating process is at least one in plasma spray technique, supersonic spray coating technique and detonation flame spraying technique, the grain graininess of described nonferrous metal powder is 10-50 order, is preferably 20-40 order.
In the present invention, granularity uses the mesh size that obtains the screen cloth of particle by screening to represent.
In the present invention, there is no particular limitation for the model (type) of the spray gun using when spraying, can freely be selected by those skilled in the art, as long as can make steel alloy and/or non-ferrous metal spray to the surface of reduction distillation tank while using spray gun to spray.
Of the present invention also have an object to be to provide a kind of titanium sponge reduction distillation tank, and described titanium sponge reduction distillation tank obtains after surface treatment method of the present invention is processed.
In the present invention, before reduction distillation tank is carried out to surface spraying processing, can also carry out sandblasting to tank surface, the method for sandblasting, for those skilled in the art know, is not described in detail herein.When spraying, in order to improve the bonding force between coating and body, can first spray one deck prime coat, thickness can be 0.05-0.2mm, spray again working lining, prime coat can be nickel alclad or aluminium nickel coat powder, and there is no particular limitation for the grain diameter of the nickel alclad to prime coat or aluminium nickel coat powder, for example, can be 180-250 object nickel alclad or aluminium nickel coat powder.
The titanium sponge reduction distillation tank obtaining produced according to the present invention, in the time preparing titanium sponge, in heating and cooling process repeatedly, reduction distillation tank surface is not easy to come off, even and have a small amount of coming off also because its inner side is carbon sheet, elemental composition is single, little to the quality influence of titanium sponge; And steel alloy and/or the non-ferrous metal of outside spraying have strong oxidation-resistance, be not easy to produce " decortication " phenomenon, thereby significantly extended the work-ing life of titanium sponge reduction distillation tank, and the present inventor is surprised to find that the steel alloy layer of outside surface spraying by reduction distillation tank and/or the raw-material globule size of non-ferrous metal layer and each layer thickness are optimized and can make the tank body of titanium sponge reduction distillation tank make non-deformability enhancing in prevention " decortication ", in improving work-ing life.
Below will describe the present invention by embodiment.In following examples, in case of no particular description, material used is all from being purchased.
In an embodiment of the present invention, in case of no particular description, the model of the spray gun using is DF-5000, purchased from Shanghai Ruifa Spray Coating Machine Co., Ltd; The model of the carbon steel sheet using is Q235A, purchased from Chongqing Iron & Steel Corp.; The trade mark of the powder of stainless steel using is 410 spray coating powders, purchased from Changsha Tian Jiu metallic substance company limited; The trade mark of the nickel bag ti powder using is Ni20Ti, purchased from Chengdu core 857 novel material company limiteds; The trade mark at the nickel coated copper powder end using is Ni20Cu, purchased from Chengdu core 857 novel material company limiteds.
In an embodiment of the present invention, in case of no particular description, the flow process of the flow process of the flow process of described Supersonic Plasma Spraying technique, hypersonic flame spraying technique, plasma spray coating process and the flow process of detonation flame spraying technique include workpiece surface preparation-preheating-spraying working lining-painting aftertreatment; The flow process of described flame plating technique comprises workpiece surface preparation-preheating-spraying prime coat-spraying working lining-painting aftertreatment.
In an embodiment of the present invention, in case of no particular description, described reduction and still-process specifically can comprise: magnesium is added and gone back in steaming pot, then more than being warmed up to magnesium fusing point, add continuously titanium tetrachloride, make itself and reactive magnesium, restore titanium, the by-product magnesium chloride that will regularly discharge reaction in reaction process, this process reduces.After reduction finishes, titanium, also carrying out vacuum distilling in steaming pot, is obtained to pure titanium sponge further to remove magnesium chloride residual in titanium sponge and unnecessary magnesium, this process is distillation.
Embodiment 1
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then use spray gun, adopt Supersonic Plasma Spraying technique to reduction distillation tank surface spraying 20-40 object powder of stainless steel, the thickness that records powder of stainless steel layer is 1.2mm.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use after 30 cycles (each cycle comprises reduction and still-process, and each cycle approximately needs 350 hours, lower same), reduction distillation tank is without " decortication " phenomenon, without obvious deformation.
Embodiment 2
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then adopt hypersonic flame spraying technique to reduction distillation tank surface spraying 20-40 object nickel bag titanium valve, the thickness that records nickel bag titanium valve layer is 0.8mm.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use 30 all after dates, reduction distillation tank is without " decortication " phenomenon, without obvious deformation.
Embodiment 3
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then adopt plasma spray coating process to reduction distillation tank surface spraying 40-50 object powder of stainless steel and 10-20 object nickel bag ti powder, recording these two kinds of cambial thickness of powder is 1.4mm.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use 30 all after dates, reduction distillation tank is without " decortication " phenomenon, without obvious deformation.
Embodiment 4
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then adopt plasma spray coating process to reduction distillation tank surface spraying 20-40 object powder of stainless steel, the thickness that records this powder of stainless steel layer is 0.2mm.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use 28 all after dates, reduction distillation tank is substantially without " decortication " phenomenon, without obvious deformation.
Embodiment 5
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then adopt Supersonic Plasma Spraying technique to reduction distillation tank surface spraying 10-50 object nickel bag ti powder, the thickness that records the powder bed of these two kinds of powder formation is 1.2mm.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use 26 all after dates, reduction distillation tank is substantially without " decortication " phenomenon, without obvious deformation.
Embodiment 6
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then adopt flame plating technique first to spray 180-250 object Al contained Ni end to reduction distillation tank surface, spray 180-250 object nickel coated copper powder end layer, the thickness that records this nickel coated copper powder end layer is 0.8mm again.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use 30 all after dates, reduction distillation tank is substantially without " decortication " phenomenon, without deformation.
Embodiment 7
Adopt carbon steel sheet to make reduction distillation tank.First sandblasting is carried out in reduction distillation tank surface, remove surperficial oxide compound, then adopt detonation flame spraying technique to reduction distillation tank surface spraying 20-40 object powder of stainless steel, the thickness that records powder of stainless steel layer is 0.8mm.
Use above-mentioned surface treated reduction distillation tank to produce titanium sponge, continue to use 28 all after dates, reduction distillation tank is substantially without " decortication " phenomenon, without obvious deformation.
Comparative example 1
Adopt carbon steel sheet to make reduction distillation tank.Use above-mentioned reduction distillation tank to produce titanium sponge, continue to use 15 all after dates, reduction distillation tank serious " decortication ", and distortion is serious, must scrap, and again makes new tank.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a surface treatment method for titanium sponge reduction distillation tank, is characterized in that, the method is included in outside surface spraying steel alloy and/or the non-ferrous metal of titanium sponge reduction distillation tank.
2. surface treatment method according to claim 1, wherein, described steel alloy is at least one being selected from stainless steel, high chromium content ferrite high temperature steel and high chromium nickel heat-resisting steel; Described non-ferrous metal is at least one being selected from titanium or titanium alloy, copper and copper alloy and nickel and nickelalloy.
3. require the surface treatment method described in 1 or 2 according to profit, wherein, described steel alloy and non-ferrous metal are powder type.
4. surface treatment method according to claim 1, wherein, sprays described steel alloy and/or non-ferrous metal, and the thickness that makes steel alloy and/or non-ferrous metal layer is 0.2-2mm.
5. surface treatment method according to claim 4, wherein, the thickness that makes steel alloy and/or non-ferrous metal layer is 0.8-1.4mm.
6. surface treatment method according to claim 1, wherein, the technique of described spraying is at least one being selected from plasma spray coating process, supersonic spray coating technique, flame plating technique and detonation flame spraying technique.
7. surface treatment method according to claim 6, wherein, the technique of described spraying is plasma spray coating process and/or supersonic spray coating technique.
8. surface treatment method according to claim 6, wherein, when described spraying coating process is flame plating technique, the grain graininess of described Alloy Steel Powder is 150-320 order, is preferably 180-250 order; When described spraying coating process is at least one in plasma spray coating process, supersonic spray coating technique and detonation flame spraying technique, the grain graininess of described Alloy Steel Powder is 10-50 order, is preferably 20-40 order.
9. surface treatment method according to claim 6, wherein, when described spraying coating process is flame plating technique, the grain graininess of described nonferrous metal powder is 150-320 order, is preferably 180-250 order; When described spraying coating process is at least one in plasma spray coating process, supersonic spray coating technique and detonation flame spraying technique, the grain graininess of described nonferrous metal powder is 10-50 order, is preferably 20-40 order.
10. a titanium sponge reduction distillation tank, is characterized in that, the surface treatment method processing described in any one in claim 1-9 of described titanium sponge reduction distillation tank obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111112.4A CN104060211A (en) | 2014-03-24 | 2014-03-24 | Surface processing method and titanium sponge reductive distillation pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111112.4A CN104060211A (en) | 2014-03-24 | 2014-03-24 | Surface processing method and titanium sponge reductive distillation pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104060211A true CN104060211A (en) | 2014-09-24 |
Family
ID=51548139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410111112.4A Pending CN104060211A (en) | 2014-03-24 | 2014-03-24 | Surface processing method and titanium sponge reductive distillation pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104060211A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559715A (en) * | 2022-01-25 | 2022-05-31 | 德阳市金工机械制造有限公司 | Composite board, titanium sponge reactor and preparation process of titanium sponge reactor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691025A (en) * | 2012-06-12 | 2012-09-26 | 沈阳工业大学 | Preparation method of metal-based long-acting anti-oxidation protective coating |
| CN102864317A (en) * | 2011-07-08 | 2013-01-09 | 王西临 | Sponge titanium reduction and distillation reactor sprayed with anti-oxidation layer on outer surface and spraying method |
-
2014
- 2014-03-24 CN CN201410111112.4A patent/CN104060211A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864317A (en) * | 2011-07-08 | 2013-01-09 | 王西临 | Sponge titanium reduction and distillation reactor sprayed with anti-oxidation layer on outer surface and spraying method |
| CN102691025A (en) * | 2012-06-12 | 2012-09-26 | 沈阳工业大学 | Preparation method of metal-based long-acting anti-oxidation protective coating |
Non-Patent Citations (1)
| Title |
|---|
| 张忠礼等: "海绵钛还原蒸馏反应器外表面金属基防护涂层研究", 《钛工业进展》, vol. 29, no. 2, 30 April 2012 (2012-04-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559715A (en) * | 2022-01-25 | 2022-05-31 | 德阳市金工机械制造有限公司 | Composite board, titanium sponge reactor and preparation process of titanium sponge reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104981346B (en) | Coating steel substrate suitable for galvanizing by dipping | |
| CN103088249B (en) | Abrasion-resistant alloy cast iron material with high hardness for chute lining plate, and preparation method thereof | |
| JP6254715B2 (en) | Brake disc coating comprising iron alloy composition and method for producing the same | |
| CN101695713B (en) | Wc composite guide roller and manufacturing method thereof | |
| JP2005113233A (en) | Zn-BASED PLATED STEEL FOR HOT PRESS | |
| CN105414798A (en) | Flux-cored wire for coke-breaking roll overlaying welding | |
| CN103042321A (en) | Metal powder-cored type nitrogen austenite stainless steel flux-cored wire and method for manufacturing same | |
| KR102252952B1 (en) | Cold rolled and annealed steel sheets, methods of making them and the use of these steels for making automotive parts | |
| CN105397335A (en) | Flux-cored wire for overlaying of water-cooled grate plate and scraper plate | |
| RU2014132082A (en) | PLUNGER FOR USE IN THE PRODUCTION OF GLASS CONTAINERS | |
| CN102851597A (en) | Anti-abrasion sink roller shaft sleeve and manufacturing method thereof | |
| CN102284806A (en) | High-boron iron-based wear-resistant flux-cored welding wire | |
| CN107267909B (en) | A kind of plasma spray Ni base WC/TiC/LaAlO3Wear-resistant coating | |
| CN1864907A (en) | Flux cored, gas shielded welding electrode | |
| CA2748188A1 (en) | Stainless steel flux-cored welding wire for welding of zinc-coated steel sheet and arc welding method of zinc-coated steel sheet using same | |
| CN106112307A (en) | A kind of lamellar composite pricker is coated with material and preparation method thereof | |
| CN107900556A (en) | A kind of austenitic stainless steel self-protection flux-cored wire | |
| CN106514046A (en) | Corrosion-resistant high-toughness flux-cored wire | |
| CN104060211A (en) | Surface processing method and titanium sponge reductive distillation pot | |
| CN1603055A (en) | Flux-cored wire for supporting roller built-up welding | |
| CN104372241B (en) | A kind of shock proof alloy material and preparation method thereof | |
| CN104611640B (en) | A kind of high boron iron-based sherardizing steel alloy and preparation method thereof | |
| KR101542447B1 (en) | Engine valve | |
| CN102650025A (en) | Mg-contained multi-combination modified low-zinc hot-dipping aluminium-plated alloy plating material and preparation method thereof | |
| CN106591761A (en) | Preparation method for composite coating resisting etching of molten metal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140924 |