CN105316567A - Abrasion-resistant lining plate for cone crusher - Google Patents
Abrasion-resistant lining plate for cone crusher Download PDFInfo
- Publication number
- CN105316567A CN105316567A CN201510726850.4A CN201510726850A CN105316567A CN 105316567 A CN105316567 A CN 105316567A CN 201510726850 A CN201510726850 A CN 201510726850A CN 105316567 A CN105316567 A CN 105316567A
- Authority
- CN
- China
- Prior art keywords
- cone crusher
- abrasion
- liner plate
- backing block
- proof backing
- 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
Landscapes
- Crushing And Grinding (AREA)
Abstract
The invention discloses an abrasion-resistant lining plate for a cone crusher and relates to the technical field of crusher lining plates. Alloy elements in the lining plate include 2.30-2.80% of C, 22.0-24.0% of Cr, 1.32-1.85% of Si, 0.15-0.23% of Mn, 0.17-0.32% of B, 0.25-0.40% of V, 0.15-0.28% of N, 0.15-0.26% of W, 0.54-0.82% of Cu, 0.02-0.06% of Ce, 0.15-0.22% of Al, 0.07-0.12% of Co, 0.22-0.35% of Ti and the balance Fe and unavoidable impurities. The ratio of the optimized elements is more reasonable and all the elements achieve the synergistic effect, so that the lining plate is high in hardness, good in tenacity and resistant to impact and abrasion; the service life of the lining plate is two to three times longer than that of a common steel abrasion-resistant material; the lining plate meets the work demands of medium and large cone crushers; besides, the raw material sources are rich, precious metal such as Mo and Ni are not contained, and the production cost is low.
Description
Technical field
The present invention relates to lining board of crusher technical field, be specifically related to a kind of cone crusher abrasion-proof backing block.
Background technology
Cone crusher is a kind of material crusher tool, is mainly used in ore and the rock of broken medium and above hardness, is widely used in metallurgy, builds, builds the road, the fragmentation of chemistry and silicate industry Raw.Cone crushing has compared the advantages such as crushing efficiency is high, energy consumption is low, product granularity is even with other crushing mechanism.Namely the liner plate of cone crusher pounds mortar wall and crushing wall, is that the chief component of cone crusher has the effect promoting grinding medium, ground ore, protection grinding cylinder.In use owing to being often subject to intense impact, its liner plate easily produces serious wearing and tearing, thus cause that product granularity is uneven, production efficiency declines and the problem such as energy consumption increase.The liner plate of cone crusher has employing high mangaenese steel and modified high manganese steel, carbon alloy steel and chrome cast iron.In described several material, high mangaenese steel is widely used, but be limited to more impact large, when stress is high, abrasive material is hard and its yield strength low, easily deformable.Low, interalloy wear resisting steel is based on silicon, manganese, add chromium, molybdenum, nickel and other trace element to grow up, have good obdurability, the wear resistance under low, middle shock load is better than high mangaenese steel, but there is hardening capacity and the low deficiency of hardenability, wear resistance is poor.Chrome cast iron has excellent wear resistance, but alloying element content is high, production cost is high and high-temperature heat treatment is yielding and cracking.Therefore, Development and Production technique is simple, cost is low, obdurability is high, hardening capacity and the good cone crusher abrasion-proof backing block of hardenability, replaces now widely used common iron and steel high-abrasive material, has great importance.
Summary of the invention
For the deficiencies in the prior art, the invention provides that a kind of toughness is strong, wear resistance good, and the cone crusher liner plate of low production cost.
For realizing above object, the present invention is achieved by the following technical programs:
A kind of cone crusher abrasion-proof backing block, each alloying element per-cent of described liner plate is constructed as follows: C2.30-2.80%, Cr22.0-24.0%, Si1.32-1.85%, Mn0.15-0.23%, B0.17-0.32%, V0.25-0.40%, N0.15-0.28%, W0.15-0.26%, Cu0.54-0.82%, Ce0.02-0.06%, Al0.15-0.22%, Co0.07-0.12%, Ti0.22-0.35%, surplus is Fe and inevitable impurity.
Preferably, in described impurity, the degree of S element is less than or equal to 0.03%, and the degree of P element is less than or equal to 0.03%.
Preferably, a described liner plate alloying element per-cent is constructed as follows: C2.4%, Cr23.0%, Si1.55%, Mn0.18%, B0.24%, V0.32%, N0.21%, W0.18%, Cu0.68%, Ce0.05%, Al0.18%, Co0.10%, Ti0.27%, surplus is Fe and inevitable impurity.
The preparation method of cone crusher abrasion-proof backing block, comprises the following steps:
1) raw material containing C, Cr, Si, Mn, B, V, N, W, Cu, Ce, Al, Co, Ti, Fe element is inserted middle frequency furnace and carry out melting, smelting temperature is 1670-1740 DEG C, by the molten steel casting after melting in mold;
2) demoulding, immerses immediately by liner plate foundry goods in isothermal quenching oil, and the temperature of isothermal quenching oil is 80-130 DEG C, and the hold-time is 8-15min, then the liner plate foundry goods tempering after oil of quenching is heated to 280-350 DEG C, and soaking time is air cooling after 3-4h.
Preferably, described step 1) in pouring temperature be 1530-1560 DEG C.
Preferably, described step 2) in go out oil surface temperature after the isothermal quenching of liner plate foundry goods be 250-300 DEG C.
Beneficial effect of the present invention: the present invention adds the hardening capacity that appropriate N and Cu can improve matrix; Ti forms carbide, the refinement matrix of liner plate, and can also offset the harm that too much phosphorus impurities produces, and is combined to generate dystectic tiny nitride and be also conducive to improving matrix obdurability with N element; The effect of thinning microstructure is also played in the hard and small dispersion that V and W added is formed, the carbide of infusibility, improves hardness and the wear resistance of liner plate; The appropriate rare earth element ce added makes the toughness of liner plate be further improved; Co can improve the stability of tempering; B and Al can purify crystal boundary, crystal grain thinning, improves wear resisting property.The proportioning of each element after the present invention optimizes is more reasonable, and each element synergy, make liner plate hardness high, good toughness, impact-resistant abrasion-proof, its work-ing life improves 2-3 doubly than common iron and steel high-abrasive material, is applicable to the need of work of big-and-middle-sized impact breaker.And abundant raw material source of the present invention, not containing precious metals such as Mo, Ni, low production cost.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
A kind of cone crusher abrasion-proof backing block, each alloying element per-cent of described liner plate is constructed as follows: C2.30%, Cr24.0%, Si1.32%, Mn0.23%, B0.17%, V0.40%, N0.15%, W0.26%, Cu0.54%, Ce0.06%, Al0.15%, Co0.12%, Ti0.22%, S≤0.03%, P≤0.03%, surplus is Fe.
The preparation method of cone crusher abrasion-proof backing block, comprises the following steps:
1) raw material containing C, Cr, Si, Mn, B, V, N, W, Cu, Ce, Al, Co, Ti, Fe element is inserted middle frequency furnace and carry out melting, smelting temperature is 1670-1740 DEG C, by the molten steel casting after melting in mold, pouring temperature is 1530-1560 DEG C;
2) demoulding, liner plate foundry goods is immersed immediately in isothermal quenching oil, the temperature of isothermal quenching oil is 80-130 DEG C, hold-time is 8-15min, going out oil surface temperature after the isothermal quenching of liner plate foundry goods is 250-300 DEG C, again the liner plate foundry goods tempering after oil of quenching is heated to 280-350 DEG C, soaking time is air cooling after 3-4h.
Embodiment 2:
A kind of cone crusher abrasion-proof backing block, each alloying element per-cent of described liner plate is constructed as follows: C2.4%, Cr23.0%, Si1.55%, Mn0.18%, B0.24%, V0.32%, N0.21%, W0.18%, Cu0.68%, Ce0.05%, Al0.18%, Co0.10%, Ti0.27%, S≤0.03%, P≤0.03%, surplus is Fe.
The preparation method of cone crusher abrasion-proof backing block, comprises the following steps:
1) raw material containing C, Cr, Si, Mn, B, V, N, W, Cu, Ce, Al, Co, Ti, Fe element is inserted middle frequency furnace and carry out melting, smelting temperature is 1670-1740 DEG C, by the molten steel casting after melting in mold, pouring temperature is 1530-1560 DEG C;
2) demoulding, liner plate foundry goods is immersed immediately in isothermal quenching oil, the temperature of isothermal quenching oil is 80-130 DEG C, hold-time is 8-15min, going out oil surface temperature after the isothermal quenching of liner plate foundry goods is 250-300 DEG C, again the liner plate foundry goods tempering after oil of quenching is heated to 280-350 DEG C, soaking time is air cooling after 3-4h.
Embodiment 3:
A kind of cone crusher abrasion-proof backing block, each alloying element per-cent of described liner plate is constructed as follows: C2.80%, Cr22.0%, Si1.85%, Mn0.15%, B0.32%, V0.25%, N0.28%, W0.15%, Cu0.82%, Ce0.02%, Al0.22%, Co0.07%, Ti0.35%, S≤0.03%, P≤0.03%, surplus is Fe.
The preparation method of cone crusher abrasion-proof backing block, comprises the following steps:
1) raw material containing C, Cr, Si, Mn, B, V, N, W, Cu, Ce, Al, Co, Ti, Fe element is inserted middle frequency furnace and carry out melting, smelting temperature is 1670-1740 DEG C, by the molten steel casting after melting in mold, pouring temperature is 1530-1560 DEG C;
2) demoulding, liner plate foundry goods is immersed immediately in isothermal quenching oil, the temperature of isothermal quenching oil is 80-130 DEG C, hold-time is 8-15min, going out oil surface temperature after the isothermal quenching of liner plate foundry goods is 250-300 DEG C, again the liner plate foundry goods tempering after oil of quenching is heated to 280-350 DEG C, soaking time is air cooling after 3-4h.
To sum up, the embodiment of the present invention has following beneficial effect: the proportioning of each element after the present invention optimizes is more reasonable, and each element synergy, make liner plate hardness high, good toughness, impact-resistant abrasion-proof, and adopt electrosmelting of intermediate frequency and suitable thermal treatment process also significantly to enhance its wear resistance, its work-ing life improves 2-3 doubly than common iron and steel high-abrasive material, is applicable to the need of work of big-and-middle-sized cone crusher.And abundant raw material source of the present invention, not containing precious metals such as Mo, Ni, low production cost.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a cone crusher abrasion-proof backing block, is characterized in that, each alloying element per-cent of described liner plate is constructed as follows: C2.30-2.80%, Cr22.0-24.0%, Si1.32-1.85%, Mn0.15-0.23%, B0.17-0.32%, V0.25-0.40%, N0.15-0.28%, W0.15-0.26%, Cu0.54-0.82%, Ce0.02-0.06%, Al0.15-0.22%, Co0.07-0.12%, Ti0.22-0.35%, surplus is Fe and inevitable impurity.
2. cone crusher abrasion-proof backing block as claimed in claim 1, it is characterized in that, in described impurity, the degree of S element is less than or equal to 0.03%, and the degree of P element is less than or equal to 0.03%.
3. cone crusher abrasion-proof backing block as claimed in claim 1, it is characterized in that, each alloying element per-cent of described liner plate is constructed as follows: C2.4%, Cr23.0%, Si1.55%, Mn0.18%, B0.24%, V0.32%, N0.21%, W0.18%, Cu0.68%, Ce0.05%, Al0.18%, Co0.10%, Ti0.27%, surplus is Fe and inevitable impurity.
4. a preparation method for the cone crusher abrasion-proof backing block as described in claims 1 to 3 any one, is characterized in that, comprise the following steps:
1) raw material containing C, Cr, Si, Mn, B, V, N, W, Cu, Ce, Al, Co, Ti, Fe element is inserted middle frequency furnace and carry out melting, smelting temperature is 1670-1740 DEG C, by the molten steel casting after melting in mold;
2) demoulding, immerses immediately by liner plate foundry goods in isothermal quenching oil, and the temperature of isothermal quenching oil is 80-130 DEG C, and the hold-time is 8-15min, then the liner plate foundry goods tempering after oil of quenching is heated to 280-350 DEG C, and soaking time is air cooling after 3-4h.
5. the preparation method of cone crusher abrasion-proof backing block as claimed in claim 4, is characterized in that, described step 1) in pouring temperature be 1530-1560 DEG C.
6. the preparation method of cone crusher abrasion-proof backing block as claimed in claim 4, is characterized in that, described step 2) in go out oil surface temperature after the isothermal quenching of liner plate foundry goods be 250-300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726850.4A CN105316567A (en) | 2015-10-28 | 2015-10-28 | Abrasion-resistant lining plate for cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726850.4A CN105316567A (en) | 2015-10-28 | 2015-10-28 | Abrasion-resistant lining plate for cone crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105316567A true CN105316567A (en) | 2016-02-10 |
Family
ID=55244880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510726850.4A Pending CN105316567A (en) | 2015-10-28 | 2015-10-28 | Abrasion-resistant lining plate for cone crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105316567A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011624A (en) * | 2016-06-30 | 2016-10-12 | 芜湖地心引力运动科技有限公司 | High-hardness highly-wear-resistant metal material used for sports equipment and preparation method thereof |
| CN106011606A (en) * | 2016-06-27 | 2016-10-12 | 安徽省含山县皖中减速机械有限公司 | Casting material for speed reducer output shaft |
| CN106011676A (en) * | 2016-06-30 | 2016-10-12 | 芜湖地心引力运动科技有限公司 | High-toughness high-abrasion resistance metallic material for sports equipment and preparation method thereof |
| CN106011625A (en) * | 2016-06-30 | 2016-10-12 | 芜湖地心引力运动科技有限公司 | High-rigidity metallic material for sports equipment and preparation method thereof |
| CN106048397A (en) * | 2016-06-30 | 2016-10-26 | 芜湖地心引力运动科技有限公司 | Wear-resistant metal material for sports equipment and preparation method thereof |
| CN108220687A (en) * | 2017-12-31 | 2018-06-29 | 广德亚太铸造有限公司 | A kind of high hard scuff-resistant coating material of brake disc |
| CN111101077A (en) * | 2018-10-26 | 2020-05-05 | 宝山钢铁股份有限公司 | Low-cost high-wear-resistance stretch reducing roller and heat treatment process thereof |
| CN114438410A (en) * | 2022-01-14 | 2022-05-06 | 赣州市福牛金属制品有限公司 | Wear-resistant impact-resistant metal material and forming method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099075A (en) * | 1994-06-28 | 1995-02-22 | 冶金工业部北京冶金设备研究院 | High strength and high chrome cast iron lining plate and its prodn. method |
| CN1100150A (en) * | 1993-09-09 | 1995-03-15 | 株洲市机械工业研究所 | Impact fatigue-resistant wear-proof alloy cast iron |
| CN1117529A (en) * | 1994-08-26 | 1996-02-28 | 孔繁印 | Bainite alloy wear-resistant cast ball, lining board, production process and equipment |
| CN1380436A (en) * | 2002-05-28 | 2002-11-20 | 江苏省机电研究所有限公司 | High vanadium high-wear-resistant alloy and its preparation method |
| CN102234745A (en) * | 2011-08-01 | 2011-11-09 | 江西恒大高新技术股份有限公司 | Novel high-temperature abrasion-resistant alloy and preparation process thereof |
| CN102330014A (en) * | 2011-10-31 | 2012-01-25 | 驻马店市永诚耐磨材料有限公司 | Abrasion-resistant cast iron material |
| CN103088249A (en) * | 2013-01-23 | 2013-05-08 | 驻马店市永诚耐磨材料有限公司 | Abrasion-resistant alloy cast iron material with high hardness for chute lining plate, and preparation method thereof |
| CN103757529A (en) * | 2014-02-07 | 2014-04-30 | 贵州省遵义市永力机电安装有限公司 | Wet and dry general multi-element alloy lining plate for ball mill |
| CN104152819A (en) * | 2014-07-14 | 2014-11-19 | 安徽省三方耐磨股份有限公司 | Modified high-manganese steel alloy lining board |
| CN104152815A (en) * | 2014-07-14 | 2014-11-19 | 安徽省三方耐磨股份有限公司 | Liner plate of ball mill |
| CN104278217A (en) * | 2014-07-22 | 2015-01-14 | 安徽省三方耐磨股份有限公司 | Medium-chrome alloy steel for lining plate of ball mill |
-
2015
- 2015-10-28 CN CN201510726850.4A patent/CN105316567A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100150A (en) * | 1993-09-09 | 1995-03-15 | 株洲市机械工业研究所 | Impact fatigue-resistant wear-proof alloy cast iron |
| CN1099075A (en) * | 1994-06-28 | 1995-02-22 | 冶金工业部北京冶金设备研究院 | High strength and high chrome cast iron lining plate and its prodn. method |
| CN1117529A (en) * | 1994-08-26 | 1996-02-28 | 孔繁印 | Bainite alloy wear-resistant cast ball, lining board, production process and equipment |
| CN1380436A (en) * | 2002-05-28 | 2002-11-20 | 江苏省机电研究所有限公司 | High vanadium high-wear-resistant alloy and its preparation method |
| CN102234745A (en) * | 2011-08-01 | 2011-11-09 | 江西恒大高新技术股份有限公司 | Novel high-temperature abrasion-resistant alloy and preparation process thereof |
| CN102330014A (en) * | 2011-10-31 | 2012-01-25 | 驻马店市永诚耐磨材料有限公司 | Abrasion-resistant cast iron material |
| CN103088249A (en) * | 2013-01-23 | 2013-05-08 | 驻马店市永诚耐磨材料有限公司 | Abrasion-resistant alloy cast iron material with high hardness for chute lining plate, and preparation method thereof |
| CN103757529A (en) * | 2014-02-07 | 2014-04-30 | 贵州省遵义市永力机电安装有限公司 | Wet and dry general multi-element alloy lining plate for ball mill |
| CN104152819A (en) * | 2014-07-14 | 2014-11-19 | 安徽省三方耐磨股份有限公司 | Modified high-manganese steel alloy lining board |
| CN104152815A (en) * | 2014-07-14 | 2014-11-19 | 安徽省三方耐磨股份有限公司 | Liner plate of ball mill |
| CN104278217A (en) * | 2014-07-22 | 2015-01-14 | 安徽省三方耐磨股份有限公司 | Medium-chrome alloy steel for lining plate of ball mill |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011606A (en) * | 2016-06-27 | 2016-10-12 | 安徽省含山县皖中减速机械有限公司 | Casting material for speed reducer output shaft |
| CN106011624A (en) * | 2016-06-30 | 2016-10-12 | 芜湖地心引力运动科技有限公司 | High-hardness highly-wear-resistant metal material used for sports equipment and preparation method thereof |
| CN106011676A (en) * | 2016-06-30 | 2016-10-12 | 芜湖地心引力运动科技有限公司 | High-toughness high-abrasion resistance metallic material for sports equipment and preparation method thereof |
| CN106011625A (en) * | 2016-06-30 | 2016-10-12 | 芜湖地心引力运动科技有限公司 | High-rigidity metallic material for sports equipment and preparation method thereof |
| CN106048397A (en) * | 2016-06-30 | 2016-10-26 | 芜湖地心引力运动科技有限公司 | Wear-resistant metal material for sports equipment and preparation method thereof |
| CN108220687A (en) * | 2017-12-31 | 2018-06-29 | 广德亚太铸造有限公司 | A kind of high hard scuff-resistant coating material of brake disc |
| CN111101077A (en) * | 2018-10-26 | 2020-05-05 | 宝山钢铁股份有限公司 | Low-cost high-wear-resistance stretch reducing roller and heat treatment process thereof |
| CN111101077B (en) * | 2018-10-26 | 2021-08-17 | 宝山钢铁股份有限公司 | Low-cost high-wear-resistance stretch reducing roller and heat treatment process thereof |
| CN114438410A (en) * | 2022-01-14 | 2022-05-06 | 赣州市福牛金属制品有限公司 | Wear-resistant impact-resistant metal material and forming method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105316567A (en) | Abrasion-resistant lining plate for cone crusher | |
| CN103014550B (en) | High chromium multielement alloy wear resisting ball and manufacturing method thereof | |
| CN101487102B (en) | Non-molybdenum non-nickel middle chrome wear resistant steel casting and heat treatment method thereof | |
| CN100532619C (en) | High-boron low-carbon abrasion resistant cast steel and heat treatment method thereof | |
| CN101016603A (en) | High-boron cast steel containing granular boride and preparing method thereof | |
| CN101173343A (en) | High-strength abrasion-proof cast steel lining board and manufacturing method thereof | |
| CN103060667A (en) | Super-hard middle-chrome cast grinding ball and production process thereof | |
| CN102534405B (en) | High manganese steel and preparation method thereof | |
| CN103451546A (en) | High-wear-resisting high-manganese steel and preparation method thereof | |
| CN102242314A (en) | Multiple alloy toughened and wear-resistant middle-manganese steel and preparation technology thereof | |
| CN105331904A (en) | Preparation method of high-manganese low-chromium alloy wear-resisting ball | |
| CN105950957A (en) | High-chromium abrasion-resistant casting and preparation process thereof | |
| CN102634734A (en) | Wear-resistant hammer head for crusher and production method thereof | |
| CN106191642B (en) | A kind of impact breaker high-chromium alloy wearable liner and preparation method thereof | |
| CN105177404A (en) | High anti-wear micro-copper alloy cast ball and processing technique thereof | |
| CN104611627A (en) | High-boron wear-resistant composite hammer head and preparation method thereof | |
| CN102534404B (en) | Super-high manganese steel and manufacturing method thereof | |
| CN105177436B (en) | A kind of high intensity, high tenacity, high-wear-resistant alloy liner plate | |
| CN103710646A (en) | Ultrahard low-chromium-content grinding body and manufacturing method thereof | |
| CN104911494A (en) | Boron-contained wear-resisting steel casting material and preparation method thereof | |
| CN101280382A (en) | Globe mill austenitic-bainitic nodular cast iron grinding ball and manufacturing method thereof | |
| CN102978518B (en) | Rare earth wear-resisting alloy steel and production method thereof | |
| CN102534406B (en) | Medium manganese steel and preparation method thereof | |
| CN105316586A (en) | High manganese steel lining plate for hard rock crusher and preparing method for high manganese steel lining plate | |
| CN108914021A (en) | A kind of anti-abrasive wear alloy of Fe-Cr-B-C and preparation method thereof |
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 |
Application publication date: 20160210 |
|
| RJ01 | Rejection of invention patent application after publication |