CN103820711A - 5Cr13 stainless steel strip steel and preparation method thereof - Google Patents
5Cr13 stainless steel strip steel and preparation method thereof Download PDFInfo
- Publication number
- CN103820711A CN103820711A CN201410066083.4A CN201410066083A CN103820711A CN 103820711 A CN103820711 A CN 103820711A CN 201410066083 A CN201410066083 A CN 201410066083A CN 103820711 A CN103820711 A CN 103820711A
- Authority
- CN
- China
- Prior art keywords
- steel
- control
- preparation
- stainless steel
- refining
- 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
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
The invention discloses 5Cr13 stainless steel strip steel and a preparation method thereof. The steel comprises the chemical elements by the mass percentage: 0.45-0.55% of carbon, not more than 1.0% of silicon, not more than 1.0% of manganese, not more than 0.030% of phosphorus, not more than 0.030% of sulfur, 12.50-14.00% of chromium, and the balance iron. The gas contents in the steel comprise [N]=200-400 ppm, [H]<=2.5 ppm, and [O]=20-40 ppm. The selection of the chemical elements and the mass percentage contents is reasonable, the amounts of hydrogen, oxygen and nitrogen harmful gases are appropriately controlled, so that inclusions in the material are reduced effectively, and besides, the steel has high hardness, excellent wear resistance and long service life, and has higher low-cost superiority in the ingredients while meeting the demand of same-type products.
Description
Technical field
The present invention relates to a kind of technical field of stainless steel materials, particularly relate to a kind of 5Cr13 garden instrument special-purpose steel, and relate to the manufacture method of this garden instrument special-purpose steel.
Background technology
Along with improving constantly of science and technology and living standards of the people, current Landscape Industry is all more and more higher for the requirement of surface hardness, the strength of materials and the wear resisting property of garden instrument steel, traditional garden instrument steel can not meet the performance requirement of client for Landscape Material completely, therefore, performance factors a lot of and above-mentioned these garden instrument steel will affect quality and all kinds of technical indicator of garden instrument product greatly.In order to adapt to this new market requirement, our factory's independent research a new garden instrument steel, 5Cr13 in order to substitute original traditional garden instrument steel.
Current Domestic is all the X46Cr13 that relies on German import in the time using garden instrument steel of the same type, and domestic still do not have like product to come out.In view of the foregoing, our factory, from the autonomous angle of industry, has carried out long-term and positive exploration and trial, and finally succeeds, and the technical scheme that will introduce below produces under this background.
Summary of the invention
The object of the present invention is to provide a kind of formula rationally to contribute to embody a kind of 5Cr13 stainless steel strip of using the use cost of breaking away from dependence on import and can significantly reducing user work-ing life of excellent hardness, wear resistance and overlength.
The present invention also aims to provide a kind of preparation method of 5Cr13 stainless steel strip, the method have into material high and use economize on resources, technical process brief and without frequent use electric energy heating and use save energy and harmful element effectively can be removed and use quality assurance so that the inclusion content in steel significantly reduces.
The invention provides a kind of 5Cr13 stainless steel strip, its chemical element composition and quality % thereof are: the carbon of 0.45-0.55% ,≤1.00% silicon ,≤1.00% manganese ,≤0.030% phosphorus ,≤0.030% sulphur, the chromium of 12.50-14.00%, surplus is iron, wherein: the gas content in steel is: [N]=200-400ppm, [H]≤2.5ppm, [O]=20-40ppm.
The present invention also provides a kind of preparation method of 5Cr13 stainless steel strip, comprises the following steps:
A) melting, by Martensite Stainless Steel steel scrap, carbon steel steel scrap and iron alloy drop into just refining in intermediate frequency furnace, obtain just steel-making water, to the analysis of first steel-making water sampling and the just quality % content of the chemical element of steel-making water of adjustment, the water of then just making steel is blended into the refining of LF refining furnace, oxygen blast gas and argon gas simultaneously, and control refining temperature and refining time and control Argon amount, obtain LF stove refined molten steel, the quality % content of the chemical element to LF stove refined molten steel sampling analysis and adjustment LF stove refined molten steel, pass through again VD vacuum oven to the hydrogen in steel, the gas content of oxygen and nitrogen is controlled, obtain cast steel water to be poured, treat casting liquid steel sampling analysis and and then adjust the chemical element quality % content of cast steel water to be poured,
B) casting, pours into cast steel water to be poured among special-purpose steel ingot mould, obtains steel ingot after naturally cooling;
C) forge, pack steel ingot into process furnace heating, and control Heating temperature, go out to send into forging hammer after process furnace and forge into corresponding size, obtain forging blank;
D) annealing, will forge blank and pack in annealing furnace and heat, and control Heating temperature and control soaking time, naturally cooling after coming out of the stove;
E) sawing machine, is sawn into by the blank that forges after annealing the various size that facilitate hot rolling through sawing machine;
F) Band by Hot-rolling, will forge blank and pack process furnace heating into, and control Heating temperature, send into hot rolls hot rolling after going out process furnace, then after naturally cooling, obtain hot rolling blank or hot-rolled finished product.
G) cold rolling band steel, by the pickling after annealing of the hot rolling blank after hot rolling, then passes through the cold rolling cold rolling finished product that obtains.
In a preferred embodiment of the present invention, described steps A) described in adjustment just to make steel the quality % content of chemical element of water be that the quality percentage composition of chemical element is adjusted into: the carbon of 0.45-0.55% ,≤1.00% silicon ,≤1.00% manganese ,≤0.030% phosphorus ,≤0.030% sulphur, the chromium of 12.50-14.00%, surplus is iron.
In a preferred embodiment of the present invention, described steps A) described in control LF stove refining temperature and refining time be that refining temperature and time are controlled respectively as 1540-1570 ℃ and 45-50min; Described control Argon amount is to be 145-155 m by the control of Argon amount
3/ h.
In a preferred embodiment of the present invention, described steps A) described in be that the gas content of the hydrogen in steel, oxygen and nitrogen is controlled respectively as [N]=200-400ppm through VD stove to the Control of gas content of the hydrogen in steel, oxygen and nitrogen, [H]≤2.5ppm, [O]=20-40ppm.
In a preferred embodiment of the present invention, the control mode of the described Control of gas content to the hydrogen in steel, oxygen and nitrogen is to control the gas content of hydrogen, oxygen and nitrogen in refined molten steel by the volume ratio of oxygen and argon gas being adjusted to successively to 3: 0 I phases, 3: 1 II phases, 1: 3 III phase and 0: 1 IV phase.
In a preferred embodiment of the present invention, described step C) in to forge front control Heating temperature be 1160 ℃, be 10 hours heat-up time, holding temperature is 600 ℃, soaking time is 6 hours.
In a preferred embodiment of the present invention, described step D) in while controlling annealing holding temperature be 850 ℃, the heating-up time is 5 hours, soaking time is 10 hours.
In a preferred embodiment of the present invention, described step F) in after hot rolling the thickness of hot-rolled finished product steel band size be 4.0mm ~ 8.0mm, width is 80mm ~ 250mm.
In a preferred embodiment of the present invention, described step G) in the thickness of cold rolling rear cold rolling finished product steel belt size be 0.3mm ~ 4.0mm, width is 50mm ~ 250mm.
Useful technique effect of the present invention is: technical scheme provided by the invention is due to chemical element and quality percentage composition is selected rationally and the amount control of hydrogen, oxygen and nitrogen obnoxious flavour is proper, and hardness (HRC) can reach 50-55 degree; Non-metallic inclusion reaches 1 grade of 0.5 grade of category-B, 0.5 grade of C class, 1 grade of D class and DS class; Rust-preventing characteristic (salt-fog test) reaches 1 grade; Have that hardness is high, wear resisting property is excellent, good corrosion resistance and desirable toughness.The preparation method who provides has into that material is high and to be able to save energy, technical process short and can save energy, by hydrogen, oxygen and the content control of nitrogen obnoxious flavour with effectively remove harmful element and inclusion and can guarantee quality.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Embodiment 1:
To prepare the 5Cr13 stainless steel hot-rolling band steel of width as 250mm and thickness as 8.0mm as example:
A) melting, by same steel grade or the approximate Martensite Stainless Steel steel scrap of chemical composition, the relevant iron alloy that carbon steel waste material and process accurate calculation are good progressively joins in intermediate frequency furnace and tentatively smelts according to different times, obtain just steel-making water, the quality % content of the chemical element to the analysis of first steel-making water sampling and the first steel-making of adjustment water is: 0.45% carbon, 0.56% silicon, 44% manganese, 0.013% phosphorus, 0.006% sulphur, 13.50% chromium, surplus is iron, thereby by above-mentioned remove the gred and reduce through sampling analysis and after adjusting the quality % content of chemical element show that composition is qualified, slag is white, the first steel-making water of good fluidity, just the tapping temperature of steel-making water is controlled at 1617 ℃, the water of just making steel is afterwards blended into and in LF stove ladle, carries out the refining of LF stove, in refining furnace, criticizing AD powder with 2-3 reduces, residue adjustment adopts lime, fluorite, white and the good fluidity of slag after energising>=10min, keep this state>=15min, maintain the temperature at 1550-1580 ℃, eventually after blending gold>=5min, guarantee that chemical composition is qualified, slag is good, temperature 1600-1610 ℃ of termination LF stove refining process in order to make alloying element and the liquid steel temperature of molten steel more even, blows continuously Ar to ladle bottom in ladle refining process
2, Ar
2pressure is that 0.35MPa, flow are 145m
3/ h, make just steel-making water obtain maximum refining, guaranteed that the temperature of molten steel is accurate, composition is even, inclusion content is lower, carry out vacuum pumping by hanging in VD vacuum bell furnace through the molten steel of LF refining afterwards, by the optimization of technique, both guaranteed that the gas of nitrogen in steel, hydrogen, oxygen was effectively removed, guaranteed again the castability of molten steel, finally obtain the molten steel to be cast of high-quality, in this process, pumpdown time is that 15-20min maximum vacuum is 8Pa, hydrogen in molten steel, the gas content of oxygen and nitrogen is respectively 24ppm, 27 ppm and 22 ppm, temperature reaches 1550-1580 ℃, again through sampling analysis and adjust quality % content and the H of chemical element, O, N gas content obtains final molten steel to be poured, and treat casting liquid steel sampling analysis and adjust the quality % content of chemical element, wherein: the quality % content of the quality % content of the chemical element of described adjustment refined molten steel and described adjustment cast steel water to be poured is that the quality % content of chemical element is adjusted into: 0.32% carbon, 0.46% silicon, 34% manganese, 0.013% phosphorus, 0.006% sulphur, 16.32% chromium, Yu Weitie,
B) casting, by by steps A) the cast steel water to be poured that obtains pours in being preheated in advance the special ingot mold of 100-120 ℃, and naturally cooling obtains steel ingot;
C) forging, by by step B) steel ingot that obtains packs process furnace heating into, and Heating temperature is 1160 ℃, and be 10 hours heat-up time, and holding temperature is 600 ℃, soaking time is 6 hours, goes out to send into forging hammer after process furnace and forge into corresponding size, obtains forging blank;
D) annealing, will be by step C) blank that forges that obtains packs in annealing furnace and heats up, and intensification temperature is 850 ℃, and the heating-up time is 5 hours, reaches after 850 ℃, is incubated 10 hours, then cools to the furnace below 460 ℃, comes out of the stove, and naturally cools to normal temperature;
E) sawing machine, by by step D) the annealed blank that forges that obtains is sawn into the size that is applicable to hot rolling;
F) Band by Hot-rolling, will be by step e) blank that forges through sawing machine that obtains packs process furnace into and is heated to 1150 ℃, sends into hot rolls hot rolling after going out process furnace, and rolling is of a size of thick 8.0mm, wide 250mm, then after naturally cooling, obtain hot-rolled finished product: 5Cr13 stainless steel strip.
Embodiment 2:
To prepare the 5Cr13 stainless-steel cold-rolling band steel of width as 250mm and thickness as 1.0mm as example:
A) melting, die steel steel scrap, carbon steel steel scrap and iron alloy are dropped into just refining in intermediate frequency furnace, obtain just steel-making water, the quality % content of the chemical element to the analysis of first steel-making water sampling and the first steel-making of adjustment water is: 0.54% carbon, 0.40% silicon, 0.32% manganese, 0.009% phosphorus, 0.004% sulphur, 13.50% chromium, surplus are iron, thereby by above-mentioned remove the gred through sampling analysis and after adjusting the quality % content of chemical element and reduce show that composition is qualified, slag white, the first steel-making water of good fluidity, the tapping temperature of water of just making steel is controlled at 1615 ℃.The water of just making steel is afterwards blended into and in LF stove ladle, carries out the refining of LF stove; in refining furnace, criticizing AD powder with 2-3 reduces; residue adjustment adopts lime, fluorite; white and the good fluidity of slag after energising>=10min; keep this state>=15min; maintain the temperature at 1550-1580 ℃; eventually after blending gold>=5min; guarantee that chemical composition is qualified; slag is good; temperature 1600-1610 ℃ of termination LF stove refining process in order to make alloying element and the liquid steel temperature of molten steel more even, blows continuously Ar to ladle bottom in ladle refining process
2, Ar
2pressure is that 0.35MPa, flow are 145 m
3/ h.Carry out vacuum pumping by hanging in VD vacuum bell furnace through the molten steel of LF refining afterwards, pumpdown time is that 15-20min maximum vacuum is 10Pa, hydrogen in molten steel, the gas content of oxygen and nitrogen is respectively [N]=252ppm, [H]=2.2ppm, [O]=26ppm, temperature reaches 1550-1580 ℃, again through sampling analysis and adjust quality % content and the H of chemical element, O, N gas content obtains final molten steel to be poured, and treat casting liquid steel sampling analysis and adjust the quality % content of chemical element, wherein: the quality % content of the quality % content of the chemical element of described adjustment refined molten steel and described adjustment cast steel water to be poured is that the quality % content of chemical element is adjusted into: 0.54% carbon, 0.40% silicon, 0.32% manganese, 0.009% phosphorus, 0.004% sulphur, 13.50% chromium, surplus is iron,
B) casting, by by steps A) the cast steel water to be poured that obtains pours in being preheated in advance the special ingot mold of 100-120 ℃, and naturally cooling obtains steel ingot;
C) forging, by by step B) steel ingot that obtains packs process furnace heating into, and Heating temperature is 1160 ℃, and be 10 hours heat-up time, and holding temperature is 600 ℃, soaking time is 6 hours, goes out to send into forging hammer after process furnace and forge into corresponding size, obtains forging blank;
D) annealing, will be by step C) blank that forges that obtains packs in annealing furnace and heats up, and intensification temperature is 850 ℃, and the heating-up time is 5 hours, reaches after 850 ℃, is incubated 10 hours, then cools to the furnace below 460 ℃, comes out of the stove, and naturally cools to normal temperature;
E) sawing machine, by by step D) the annealed blank that forges that obtains is sawn into the size that is applicable to hot rolling;
F) Band by Hot-rolling, will be by step e) blank that forges through sawing machine that obtains packs process furnace into and is heated to 1150 ℃, sends into hot rolls hot rolling after going out process furnace, and rolling is of a size of thick 3.5mm, wide 250mm, then after naturally cooling, obtain hot rolling blank;
G) cold rolling band steel, by by step F) the hot rolling blank through hot rolling that obtains anneal with reference to step D after pickling, then pass through cold rolling mill rolling thickness 1.0mm, width 250mm, finally obtains cold rolling finished product;
Compared with the prior art the 5Cr13 stainless steel strip of the present invention being obtained by above-mentioned case study on implementation has the technique effect shown in following table.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a 5Cr13 stainless steel strip, it is characterized in that, its chemical element composition and quality % thereof are: the carbon of 0.45-0.55% ,≤1.00% silicon ,≤1.00% manganese ,≤0.030% phosphorus ,≤0.030% sulphur, the chromium of 12.50-14.00%, surplus is iron, wherein: the gas content in steel is: [N]=200-400ppm, [H]≤2.5ppm, [O]=20-40ppm.
2. a preparation method for 5Cr13 stainless steel strip, is characterized in that, comprises the following steps:
A) melting, by Martensite Stainless Steel steel scrap, carbon steel steel scrap and iron alloy drop into just refining in intermediate frequency furnace, obtain just steel-making water, to the analysis of first steel-making water sampling and the just quality % content of the chemical element of steel-making water of adjustment, the water of then just making steel is blended into the refining of LF refining furnace, oxygen blast gas and argon gas simultaneously, and control refining temperature and refining time and control Argon amount, obtain LF stove refined molten steel, the quality % content of the chemical element to LF stove refined molten steel sampling analysis and adjustment LF stove refined molten steel, pass through again VD vacuum oven to the hydrogen in steel, the gas content of oxygen and nitrogen is controlled, obtain cast steel water to be poured, treat casting liquid steel sampling analysis and and then adjust the chemical element quality % content of cast steel water to be poured,
B) casting, pours into cast steel water to be poured among special-purpose steel ingot mould, obtains steel ingot after naturally cooling;
C) forge, pack steel ingot into process furnace heating, and control Heating temperature, go out to send into forging hammer after process furnace and forge into corresponding size, obtain forging blank;
D) annealing, will forge blank and pack in annealing furnace and heat, and control Heating temperature and control soaking time, naturally cooling after coming out of the stove;
E) sawing machine, is sawn into by the blank that forges after annealing the various size that facilitate hot rolling through sawing machine;
F) Band by Hot-rolling, will forge blank and pack process furnace heating into, and control Heating temperature, send into hot rolls hot rolling after going out process furnace, then after naturally cooling, obtain hot rolling blank or hot-rolled finished product;
G) cold rolling band steel, by the pickling after annealing of the hot rolling blank after hot rolling, then passes through the cold rolling cold rolling finished product that obtains.
3. the preparation method of 5Cr13 stainless steel strip according to claim 2, it is characterized in that, described steps A) described in adjustment just to make steel the quality % content of chemical element of water be that the quality percentage composition of chemical element is adjusted into: the carbon of 0.45-0.55% ,≤1.00% silicon ,≤1.00% manganese ,≤0.030% phosphorus ,≤0.030% sulphur, the chromium of 12.50-14.00%, surplus is iron.
4. the preparation method of 5Cr13 stainless steel strip according to claim 2, is characterized in that, described steps A) described in control LF stove refining temperature and refining time be that refining temperature and time are controlled respectively as 1540-1570 ℃ and 45-50min; Described control Argon amount is to be 145-155 m by the control of Argon amount
3/ h.
5. the preparation method of 5Cr13 stainless steel strip according to claim 2, it is characterized in that, described steps A) described in be that the gas content of the hydrogen in steel, oxygen and nitrogen is controlled respectively as [N]=200-400ppm through VD stove to the Control of gas content of the hydrogen in steel, oxygen and nitrogen, [H]≤2.5ppm, [O]=20-40ppm.
6. the preparation method of 5Cr13 stainless steel strip according to claim 2, it is characterized in that, the control mode of the described Control of gas content to the hydrogen in steel, oxygen and nitrogen is to control the gas content of hydrogen, oxygen and nitrogen in refined molten steel by the volume ratio of oxygen and argon gas being adjusted to successively to 3: 0 I phases, 3: 1 II phases, 1: 3 III phase and 0: 1 IV phase.
7. the preparation method of 5Cr13 stainless steel strip according to claim 2, is characterized in that, described step C) in to forge front control Heating temperature be 1160 ℃, be 10 hours heat-up time, holding temperature is 600 ℃, soaking time is 6 hours.
8. the preparation method of 5Cr13 stainless steel strip according to claim 2, is characterized in that, described step D) in to control when annealing holding temperature be 850 ℃, the heating-up time is 5 hours, soaking time is 10 hours.
9. the preparation method of 5Cr13 stainless steel strip according to claim 2, is characterized in that, described step F) in after hot rolling the thickness of hot-rolled finished product steel band size be 4.0mm ~ 8.0mm, width is 80mm ~ 250mm.
10. the preparation method of 5Cr13 stainless steel strip according to claim 2, is characterized in that, described step G) in the thickness of cold rolling rear cold rolling finished product steel belt size be 0.3mm ~ 4.0mm, width is 50mm ~ 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066083.4A CN103820711A (en) | 2014-02-26 | 2014-02-26 | 5Cr13 stainless steel strip steel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066083.4A CN103820711A (en) | 2014-02-26 | 2014-02-26 | 5Cr13 stainless steel strip steel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103820711A true CN103820711A (en) | 2014-05-28 |
Family
ID=50755994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410066083.4A Pending CN103820711A (en) | 2014-02-26 | 2014-02-26 | 5Cr13 stainless steel strip steel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103820711A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568169A (en) * | 2016-01-19 | 2016-05-11 | 溧阳市金昆锻压有限公司 | Martensitic stainless steel circular mould |
| CN105648357A (en) * | 2016-01-28 | 2016-06-08 | 中原特钢股份有限公司 | Smelting method of martensitic stainless steel for low-temperature impact |
| CN108950417A (en) * | 2018-09-05 | 2018-12-07 | 合肥久新不锈钢厨具有限公司 | A kind of processing technology of tap special stainless steel material |
| CN111727269A (en) * | 2018-03-15 | 2020-09-29 | 日铁不锈钢株式会社 | Martensitic stainless steel sheet, method for producing same, and spring member |
| CN112226667A (en) * | 2020-09-30 | 2021-01-15 | 攀钢集团江油长城特殊钢有限公司 | Preparation method of chromium stainless pre-hard plastic die steel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691638A (en) * | 2009-10-19 | 2010-04-07 | 常熟市长江不锈钢材料有限公司 | 6Cr14 stainless steel strip and manufacturing method thereof |
| CN101886224A (en) * | 2009-05-15 | 2010-11-17 | 上海奔腾电工有限公司 | Stainless steel material used for shaver head of electric shaver |
| CN103540856A (en) * | 2013-10-30 | 2014-01-29 | 常熟市长江不锈钢材料有限公司 | 3Cr17NiMoV stainless steel strip and preparation method |
-
2014
- 2014-02-26 CN CN201410066083.4A patent/CN103820711A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886224A (en) * | 2009-05-15 | 2010-11-17 | 上海奔腾电工有限公司 | Stainless steel material used for shaver head of electric shaver |
| CN101691638A (en) * | 2009-10-19 | 2010-04-07 | 常熟市长江不锈钢材料有限公司 | 6Cr14 stainless steel strip and manufacturing method thereof |
| CN103540856A (en) * | 2013-10-30 | 2014-01-29 | 常熟市长江不锈钢材料有限公司 | 3Cr17NiMoV stainless steel strip and preparation method |
Non-Patent Citations (4)
| Title |
|---|
| 傅杰等: "《现代电炉炼钢生产技术手册》", 31 March 2009, article "电炉双联法精炼不锈钢的工艺", pages: 386-387 * |
| 李正邦等: "降低电渣重熔电耗的途径", 《新技术新工艺》, 30 June 1982 (1982-06-30), pages 2 - 4 * |
| 王邦杰等: "《实用模具材料与热处理速查手册》", 31 January 2014, article "模具钢的电渣重熔工艺", pages: 36-40 * |
| 陆世英等: "《不锈钢》", 30 November 1998, article "不锈钢冷轧板带生产工艺的特性", pages: 452-453 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568169A (en) * | 2016-01-19 | 2016-05-11 | 溧阳市金昆锻压有限公司 | Martensitic stainless steel circular mould |
| CN105648357A (en) * | 2016-01-28 | 2016-06-08 | 中原特钢股份有限公司 | Smelting method of martensitic stainless steel for low-temperature impact |
| CN111727269A (en) * | 2018-03-15 | 2020-09-29 | 日铁不锈钢株式会社 | Martensitic stainless steel sheet, method for producing same, and spring member |
| CN108950417A (en) * | 2018-09-05 | 2018-12-07 | 合肥久新不锈钢厨具有限公司 | A kind of processing technology of tap special stainless steel material |
| CN112226667A (en) * | 2020-09-30 | 2021-01-15 | 攀钢集团江油长城特殊钢有限公司 | Preparation method of chromium stainless pre-hard plastic die steel |
| CN112226667B (en) * | 2020-09-30 | 2022-02-01 | 攀钢集团江油长城特殊钢有限公司 | Preparation method of chromium stainless pre-hard plastic die steel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102345057B (en) | High strength and toughness Q460E structural steel thick plate and production method thereof | |
| US20080279713A1 (en) | High strength weathering steel and method for producing the same | |
| CN100516274C (en) | 03Cr22Ni4NbN austenite-ferritic stainless steel and production technology therefor | |
| CN102363859A (en) | Method for producing wear-resisting steel plate | |
| CN102345053A (en) | Hot-rolled structural steel ST52 medium-thick plate with thickness of 15-60mm and production method thereof | |
| CN104328353A (en) | Rare-earth-type 0Cr17Ni4Cu4Nb martensitic precipitation-hardening stainless steel and preparation method thereof | |
| CN102251194A (en) | Two-phase stainless steel cold-rolled sheet with good surface corrosion resistance, and preparation method thereof | |
| CN102312160B (en) | 12Cr2Mo1R steel plate for ultra-thick hydrogen-contacting equipment and production method thereof | |
| CN102041447A (en) | Q345C steel plate and production method thereof | |
| CN102758144A (en) | Production method for steel ingot of large-sized high-nitrogen retaining ring steel | |
| CN102041441A (en) | Low-alloy medium-thickness steel plate Q345D-Z35 and production process thereof | |
| CN103820711A (en) | 5Cr13 stainless steel strip steel and preparation method thereof | |
| CN102796957A (en) | Steel plate for high toughness 15CrMoR pressure container | |
| CN102676920A (en) | Large-thickness steel plate for low-temperature pressure container and production method thereof | |
| CN101956130A (en) | Large-thickness rolled steel plate instead of case one for large-sized ball mill and production method thereof | |
| CN102345049A (en) | Low alloy Q345C-Z35 thick plate and production method thereof | |
| CN102080184A (en) | 75-mm Z15 series steel plate prepared by rolling 250-mm casting blank and production method of 75-mm Z15 series steel plate | |
| CN102943211B (en) | A kind of manufacture method of high carbon martensite Stainless Steel Band | |
| CN103667947A (en) | Nickel-free austenitizing stainless steel, manufacturing process thereof, and method for manufacturing flange by nickel-free austenitizing stainless steel | |
| CN102367542A (en) | Deformation aging performance-guaranteed S355K2-Z35 moderately thick plate and production method thereof | |
| CN103540856B (en) | A kind of 3Cr17NiMoV stainless steel strip and preparation method | |
| CN110484823A (en) | A kind of low cost 355MPa moderate hypothermia is hot rolled H-shaped and preparation method thereof | |
| CN102041442A (en) | Low-alloy Q345E medium plate and production process thereof | |
| CN102690938B (en) | Pilot scale production method of low-carbon Fe-Mn-Al-Si series TWIP (Twining Induced Plasticity) steel | |
| CN102766816B (en) | 80Cr14MoV high-carbon high-chromium martensite stainless steel band 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: 20140528 |
|
| RJ01 | Rejection of invention patent application after publication |