CN105839024A - Heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for garbage power station fire grate and preparing method of heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material - Google Patents
Heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for garbage power station fire grate and preparing method of heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material Download PDFInfo
- Publication number
- CN105839024A CN105839024A CN201610299057.5A CN201610299057A CN105839024A CN 105839024 A CN105839024 A CN 105839024A CN 201610299057 A CN201610299057 A CN 201610299057A CN 105839024 A CN105839024 A CN 105839024A
- Authority
- CN
- China
- Prior art keywords
- resistant
- alloy material
- stainless steel
- corrosion
- heat
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention relates to a heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for a garbage power station fire grate. The alloy material comprises, by mass percent, 0.15%-0.45% of C, 23.0%-28.0% of Cr, 4.0%-6.0% of Ni, 0.5%-1.0% of Mo, 0.2%-2.0% of Al, 0.1%-0.4% of N, smaller than or equal to 1.0% of Mn, smaller than or equal to 1.5% of Si, smaller than or equal to 0.03% of P, smaller than or equal to 0.03% of S, smaller than or equal to 0.6% of C+N, and the balance Fe and inevitable impurities. The invention further relates to a preparing method of the heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for the garbage power station fire grate. A traditional conventional melting technology method is adopted for the alloy material, after burdening melting is conducted, pouring forming is performed, and solid dissolving of 1,000 DEG C to 1,200 DEG C and aging treatment of 700 DEG C to 900 DEG C are conducted. The heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material and the preparing method have the beneficial effects that nitride forming elements are added in duplex stainless steel resistant to chlorine ion corrosion at the same time, a large number of carbohydrates and nitrogenous compounds are separated out to increase the abrasion resistance of the duplex stainless steel casting alloy material under the condition that corrosion-resistant permission is met, the combination is optimized to ensure that the material has good heat resistance, abrasion resistance and corrosion resistance, and the using requirements under the specific severe environment are met.
Description
Technical field
The present invention relates to the fire grate heat-resistant antifriction erosion two phase stainless steel casting of a kind of garbage power station
Alloy material, the invention still further relates to a kind of garbage power station fire grate heat-resistant antifriction and loses two-phase stainless
The preparation method of steel cast alloy materials, belongs to steel alloy material technical field.
Background technology
Two phase stainless steel cast steel occupies the heaviest in the development and application field of wear-and corrosion-resistant cast steel
The effect wanted, especially in the field such as petrochemical industry and ocean engineering.
Along with the development in city is increasing, the process of house refuse becomes the most serious.At present
The process of domestic waste mainly uses landfill and burning electricity generation.Waste incineration and generating electricity is according to burning
Burn the technology that stove is different, be broadly divided into circulating fluidized bed incinerator and two kinds of skills of grate incinerator
Art.Rubbish is directly burned by grate furnace technology, and the requirement to rubbish quality and composition is relatively low,
Pre-treatment is simple, and flying dust amount is few, technology maturation, is the major technique that uses at present of developed country.
Fire grate in grate incinerator technology is the Chief consumable accessory of this technology, is chronically at height
Temperature, wash away with in high chloride ion corrosive environment, quite a few producer uses heat-resisting at present
Austenite material, through the running of certain time, fire grate abrasion and excessive corrosion, is easily caused stove
Row's fracture, shutdown can cause equipment breakdown not in time.For this, exploitation is a kind of high temperature resistant, wear-resisting same
Time anti-chlorine ion corrosion new material be that this technology develops one of problem encountered further, as
What resolves the relation improved between the service life of fire grate and rational manufacturing cost is this
Bright original intention place.
The present invention is through the design of scientific research personnel and repetition test, by laboratory advanced instrument thing
Reason simulation casting production also combines enterprise's scene trial-production checking, has fully probed into heat-resistant antifriction erosion double
Alloys producing behavior in phase stainless cast steel part, optimize cast steel material formula, and establish with
Its most supporting Technology for Heating Processing, forms the heat-resistant antifriction erosion of complete material and technology one
Two phase stainless steel steel-casting manufacturing technology.
Summary of the invention
It is an object of the invention to provide a kind of high performance-price ratio, 650-950 DEG C of temperature range
Inside there is two phase stainless steel cast steel material formula and the preparation side thereof of good wear and corrosion behavior
Method.
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel casting of the present invention is closed
Gold copper-base alloy, this alloy material has following composition and mass percent: C:0.15-0.45,
Cr:23.0-28.0, Ni:4.0-6.0, Mo:0.5-1.0, Al:0.2-2.0, N:0.1-0.4,
Mn≤1.0, Si≤1.5, P≤0.03, S≤0.03, and meet C+N≤0.6, surplus is Fe
With inevitable impurity, in this composition range, the solid solution structure of steel is ferrite and austenite.
The content of this alloy material austenite is 40-60%, and room temperature tensile intensity is 500-700
MPa, percentage elongation is more than 20%.
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel cast alloy materials
Preparation method, this alloy material uses the smelting process that tradition is conventional, after dispensing melting,
Cast molding, then through the solid solution of 1000-1200 DEG C and the Ageing Treatment of 700-900 DEG C.
The invention have the advantage that the reason of this heat-resistant antifriction corrosive-resisting double-phase stainless steel is: resistance to
The two phase stainless steel of chloride ion corrosion is simultaneously introduced nitride forming element such as Al etc., full
Under conditions of the anti-corrosion license of foot, in 650-950 DEG C uses temperature range, separate out the nitridation of a large amount of carbon
Compound increases its wearability, and it is excellent heat-resisting resistance to that their optimum organization guarantees that this material has
Mill corrosion resistance, meets the use requirement under specific severe rugged environment.
Detailed description of the invention
Embodiment 1
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel casting of the present invention is closed
Gold copper-base alloy, this alloy material has following composition and a mass percent:
In this composition range, the solid solution structure of steel is ferrite and austenite, this alloy material Ovshinsky
The content of body is 40%, and room temperature tensile intensity is 500MPa, and percentage elongation is more than 20%.
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel cast alloy materials
Preparation method, this alloy material uses the smelting process that tradition is conventional, after dispensing melting,
Cast molding, then through the solid solution of 1000 DEG C and the Ageing Treatment of 700 DEG C.
The invention have the advantage that the reason of this heat-resistant antifriction corrosive-resisting double-phase stainless steel is: resistance to
The two phase stainless steel of chloride ion corrosion is simultaneously introduced nitride forming element such as Al etc., full
Under conditions of the anti-corrosion license of foot, in 650 DEG C use temperature range, separate out a large amount of carboritride
Increasing its wearability, it is resistance to that their optimum organization guarantees that this material has excellent heat-resistant antifriction
Erosion property, meets the use requirement under specific severe rugged environment.
Embodiment 2
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel casting of the present invention is closed
Gold copper-base alloy, this alloy material has following composition and a mass percent:
In this composition range, the solid solution structure of steel is ferrite and austenite, this alloy material Ovshinsky
The content of body is 48%, and room temperature tensile intensity is 580MPa, and percentage elongation is more than 20%.
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel cast alloy materials
Preparation method, this alloy material uses the smelting process that tradition is conventional, after dispensing melting,
Cast molding, then through the solid solution of 1080 DEG C and the Ageing Treatment of 780 DEG C.
The invention have the advantage that the reason of this heat-resistant antifriction corrosive-resisting double-phase stainless steel is: resistance to
The two phase stainless steel of chloride ion corrosion is simultaneously introduced nitride forming element such as Al etc., full
Under conditions of the anti-corrosion license of foot, in 750 DEG C use temperature range, separate out a large amount of carboritride
Increasing its wearability, it is resistance to that their optimum organization guarantees that this material has excellent heat-resistant antifriction
Erosion property, meets the use requirement under specific severe rugged environment.
Embodiment 3
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel casting of the present invention is closed
Gold copper-base alloy, this alloy material has following composition and a mass percent:
In this composition range, the solid solution structure of steel is ferrite and austenite, this alloy material Ovshinsky
The content of body is 55%, and room temperature tensile intensity is 650MPa, and percentage elongation is more than 20%.
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel cast alloy materials
Preparation method, this alloy material uses the smelting process that tradition is conventional, after dispensing melting,
Cast molding, then through the solid solution of 1150 DEG C and the Ageing Treatment of 850 DEG C.
The invention have the advantage that the reason of this heat-resistant antifriction corrosive-resisting double-phase stainless steel is: resistance to
The two phase stainless steel of chloride ion corrosion is simultaneously introduced nitride forming element such as Al etc., full
Under conditions of the anti-corrosion license of foot, in 850 DEG C use temperature range, separate out a large amount of carboritride
Increasing its wearability, it is resistance to that their optimum organization guarantees that this material has excellent heat-resistant antifriction
Erosion property, meets the use requirement under specific severe rugged environment.
Embodiment 4
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel casting of the present invention is closed
Gold copper-base alloy, this alloy material has following composition and a mass percent:
In this composition range, the solid solution structure of steel is ferrite and austenite, this alloy material Ovshinsky
The content of body is 60%, and room temperature tensile intensity is 700MPa, and percentage elongation is more than 20%.
A kind of garbage power station fire grate heat-resistant antifriction erosion two phase stainless steel cast alloy materials
Preparation method, this alloy material uses the smelting process that tradition is conventional, after dispensing melting,
Cast molding, then through the solid solution of 1200 DEG C and the Ageing Treatment of 900 DEG C.
The invention have the advantage that the reason of this heat-resistant antifriction corrosive-resisting double-phase stainless steel is: resistance to
The two phase stainless steel of chloride ion corrosion is simultaneously introduced nitride forming element such as Al etc., full
Under conditions of the anti-corrosion license of foot, in 950 DEG C use temperature range, separate out a large amount of carboritride
Increasing its wearability, it is resistance to that their optimum organization guarantees that this material has excellent heat-resistant antifriction
Erosion property, meets the use requirement under specific severe rugged environment.
Claims (3)
1. fire grate heat-resistant antifriction in garbage power station loses a two phase stainless steel cast alloy materials, and its feature exists
In: this alloy material there is following composition and mass percent: C:0.15-0.45, Cr:23.0-28.0,
Ni:4.0-6.0, Mo:0.5-1.0, Al:0.2-2.0, N:0.1-0.4, Mn≤1.0, Si≤1.5, P≤0.03,
S≤0.03, and meet C+N≤0.6, surplus is Fe and inevitable impurity, and in this composition range, steel consolidates
Histolytica is ferrite and austenite.
A kind of garbage power station the most according to claim 1 fire grate heat-resistant antifriction erosion two phase stainless steel casting
Make alloy material, it is characterised in that: the content of this alloy material austenite is 40-60%, room temperature tensile intensity
For 500-700MPa, percentage elongation is more than 20%.
A kind of garbage power station the most according to claim 1 fire grate heat-resistant antifriction erosion two phase stainless steel casting
Make the preparation method of alloy material, it is characterised in that: this alloy material uses the smelting technology side that tradition is conventional
Method, after dispensing melting, cast molding, then at the solid solution of 1000-1200 DEG C and the timeliness of 700-900 DEG C
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299057.5A CN105839024A (en) | 2016-05-06 | 2016-05-06 | Heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for garbage power station fire grate and preparing method of heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299057.5A CN105839024A (en) | 2016-05-06 | 2016-05-06 | Heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for garbage power station fire grate and preparing method of heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105839024A true CN105839024A (en) | 2016-08-10 |
Family
ID=56591248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610299057.5A Pending CN105839024A (en) | 2016-05-06 | 2016-05-06 | Heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for garbage power station fire grate and preparing method of heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105839024A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245648A (en) * | 2017-06-02 | 2017-10-13 | 江阴国润机械有限公司 | High-temperature wearable fire grate segment and its casting mold and pouring technology |
| CN107254641A (en) * | 2017-06-02 | 2017-10-17 | 江阴国润机械有限公司 | High temperature oxidation resisting fire grate segment and its casting mold and pouring technology |
| CN111850388A (en) * | 2019-04-26 | 2020-10-30 | 沈阳铸造研究所有限公司 | Low-induction high-wear-resistance corrosion-resistant alloy for nuclear power station and preparation method and application thereof |
| CN113293335A (en) * | 2021-07-27 | 2021-08-24 | 科华控股股份有限公司 | Low-nickel precipitation hardening austenitic heat-resistant steel material and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970815A (en) * | 2006-07-21 | 2007-05-30 | 上海大学 | Rare earth-containing high-nitrogen ultralow-nickel super-duplex stainless steel alloy materials and method for preparing same |
| CN101215677A (en) * | 2008-01-08 | 2008-07-09 | 上海大学 | Resource-saving high-nitrogen super diphase stainless steel alloy material and preparation method thereof |
| JP2010052026A (en) * | 2008-08-29 | 2010-03-11 | Sumitomo Metal Ind Ltd | Method for continuous casting of high-nitrogen-containing duplex stainless steel |
| CN102534418A (en) * | 2012-02-29 | 2012-07-04 | 宝山钢铁股份有限公司 | Martensitic stainless steel for oil casing and manufacturing method thereof |
| CN104451428A (en) * | 2014-12-10 | 2015-03-25 | 上海大学兴化特种不锈钢研究院 | Heat-resistant abrasion-resistant double-phase stainless steel casting alloy material |
-
2016
- 2016-05-06 CN CN201610299057.5A patent/CN105839024A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970815A (en) * | 2006-07-21 | 2007-05-30 | 上海大学 | Rare earth-containing high-nitrogen ultralow-nickel super-duplex stainless steel alloy materials and method for preparing same |
| CN101215677A (en) * | 2008-01-08 | 2008-07-09 | 上海大学 | Resource-saving high-nitrogen super diphase stainless steel alloy material and preparation method thereof |
| JP2010052026A (en) * | 2008-08-29 | 2010-03-11 | Sumitomo Metal Ind Ltd | Method for continuous casting of high-nitrogen-containing duplex stainless steel |
| CN102534418A (en) * | 2012-02-29 | 2012-07-04 | 宝山钢铁股份有限公司 | Martensitic stainless steel for oil casing and manufacturing method thereof |
| CN104451428A (en) * | 2014-12-10 | 2015-03-25 | 上海大学兴化特种不锈钢研究院 | Heat-resistant abrasion-resistant double-phase stainless steel casting alloy material |
Non-Patent Citations (1)
| Title |
|---|
| 刘仁桓等: "《化工设备设计基础》", 31 August 2015, 中国石化出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245648A (en) * | 2017-06-02 | 2017-10-13 | 江阴国润机械有限公司 | High-temperature wearable fire grate segment and its casting mold and pouring technology |
| CN107254641A (en) * | 2017-06-02 | 2017-10-17 | 江阴国润机械有限公司 | High temperature oxidation resisting fire grate segment and its casting mold and pouring technology |
| CN107254641B (en) * | 2017-06-02 | 2019-03-19 | 江阴国润机械有限公司 | High temperature oxidation resisting fire grate segment and its casting mold and pouring technology |
| CN111850388A (en) * | 2019-04-26 | 2020-10-30 | 沈阳铸造研究所有限公司 | Low-induction high-wear-resistance corrosion-resistant alloy for nuclear power station and preparation method and application thereof |
| CN111850388B (en) * | 2019-04-26 | 2022-02-15 | 沈阳铸造研究所有限公司 | Low-induction high-wear-resistance corrosion-resistant alloy for nuclear power station and preparation method and application thereof |
| CN113293335A (en) * | 2021-07-27 | 2021-08-24 | 科华控股股份有限公司 | Low-nickel precipitation hardening austenitic heat-resistant steel material and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104451428A (en) | Heat-resistant abrasion-resistant double-phase stainless steel casting alloy material | |
| CN105839024A (en) | Heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material for garbage power station fire grate and preparing method of heat-resistant, abrasion-resistant and corrosion-resistant duplex stainless steel casting alloy material | |
| CN104846265B (en) | A kind of ultralow temperature austenite abrasion-proof magnesium iron material and preparation method thereof | |
| JP5470825B2 (en) | Wear-resistant cast iron | |
| CN103938106B (en) | Chromium ambrose alloy vanadium niobium nitrogen high temperature resistant and wear-resistant cast steel | |
| CN105648345B (en) | High tough high temperature wearable anti-corrosion cast steel of a kind of incineration furnace grate and preparation method thereof | |
| CN103215513A (en) | Corrosion-resistant gathering and transportation line pipe and manufacturing method thereof | |
| CN104164625B (en) | The heat resisting steel of a kind of resistance to chlorine corrosion under worst hot case and using method thereof | |
| CN102873465B (en) | 700MPa low-alloy high-strength welding wire for heavy machinery and use method thereof | |
| CN101818298B (en) | Corrosion-resistant medium-silicon-molybdenum-nickel-cobalt nodular cast iron alloy | |
| CN109536841A (en) | A kind of corrosion resistant austenite-ferrite two-phase heat resisting steel and preparation method thereof | |
| CN103484713A (en) | High-strength wear-resistant multi-element complex brass alloy drawn pipe bar and manufacture technology thereof | |
| CN100513620C (en) | High-temperature heat-resistant and wear-resistant cast steel with chromium, nickel, copper, niobium and nitrogen | |
| CN105925877A (en) | Preparing method for rust-prevention magnetic separation material wear-resisting ball | |
| Hu et al. | Failure analysis of T12 boiler re-heater tubes during short-term service | |
| JP2006265580A (en) | High corrosion resistance heat-resisting alloy | |
| Schlegel | Alloying Elements and Steel Properties | |
| Shkirmontov | Energy–technology efficiency of ferroalloy electrofurnaces | |
| CN105803339A (en) | Heat-resisting and wear-resisting alloy steel and preparation method thereof | |
| Hui et al. | Effect of heat treatment on microstructure and property of high vanadium wear‐resistant alloy | |
| Pavlov et al. | Current state of ferroalloys production in Russia and CIS | |
| CN104532152B (en) | A kind of fire grate and preparation method thereof | |
| CN104862610A (en) | Novel austenite heat-resisting alloy material and manufacturing method thereof | |
| CN105838925A (en) | Nickel-based alloy resistant to high temperature oxidation | |
| CN1035521C (en) | Anti-sea water corrosion alloy cast iron |
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: 20160810 |