CN106222551A - 一种表面无缺陷的渗氮铁制容器基板及生产方法 - Google Patents
一种表面无缺陷的渗氮铁制容器基板及生产方法 Download PDFInfo
- Publication number
- CN106222551A CN106222551A CN201610672466.5A CN201610672466A CN106222551A CN 106222551 A CN106222551 A CN 106222551A CN 201610672466 A CN201610672466 A CN 201610672466A CN 106222551 A CN106222551 A CN 106222551A
- Authority
- CN
- China
- Prior art keywords
- annealing
- nitriding
- control
- temperature
- flawless
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000005121 nitriding Methods 0.000 title claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000000137 annealing Methods 0.000 claims abstract description 34
- 238000005266 casting Methods 0.000 claims abstract description 9
- 238000005097 cold rolling Methods 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 238000003723 Smelting Methods 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 5
- 238000005098 hot rolling Methods 0.000 claims abstract description 4
- 238000005554 pickling Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005261 decarburization Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 39
- 239000010959 steel Substances 0.000 abstract description 39
- 230000007547 defect Effects 0.000 abstract description 13
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 abstract description 3
- 229910052758 niobium Inorganic materials 0.000 abstract description 3
- 229910052720 vanadium Inorganic materials 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011572 manganese Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- YYXHRUSBEPGBCD-UHFFFAOYSA-N azanylidyneiron Chemical compound [N].[Fe] YYXHRUSBEPGBCD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0242—Flattening; Dressing; Flexing
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
一种表面无缺陷的渗氮铁制容器基板,其组分及wt%:C 0.010~0.020%、Mn 0.10~0.50%、Si≤0.030%、P≤0.02%、S≤0.01%、Als 0.02~0.06%,N≤0.0035%,Mo 0.20~0.50%,Ti 0.01~0.05%或Nb 0.01~0.05%或V 0.01~0.05%或其中两种以上元素的复合。制备步骤:铁水预处理、转炉冶炼;连铸成坯;对铸坯加热;热轧;卷取并常规酸洗;冷轧;退火;精整并待用。本发明钢板渗氮后表面无条状缺陷及起泡现象,且还具有优异的成形性,与DC01钢板相比,仅添加了少量含Mo、Ti、Nb或V的合金,生产成本低。
Description
技术领域
本发明涉及一种渗氮铁制容器基板及生产方法,具体地属于一种表面无缺陷的渗氮铁制容器基板及生产方法。
背景技术
铁制容器广泛应用于工业与日常生活中,钢板经冲压加工而成容器,再经表面处理如渗氮、渗碳或表面处理,获得良好的使用性能。目前渗氮用铁制容器的基板主要使用的是低碳钢板,如DC01钢板,该钢的成分及含量为:C ≤0.12%、Mn ≤0.60%、Si ≤0.030%、P≤0.045%、S≤0.045%、Als ≥0.02%。使用该钢制备的铁制容器,由于其钢板化学成分范围宽,钢中夹杂物含量高,晶粒粗大且均匀性较差,故使钢板在渗氮后容易出现大量的条状缺陷(即“爆条”)及起泡问题,表面缺陷情况严重时,不合格率达到50%以上。
经检索:中国专利申请号为200510024801.2的文献,其公开了《耐磨防锈铁锅的生产工艺》,虽然该方法实现了低碳钢板经渗氮处理后形成化学稳定性高致密的氮化物复合层,获得了良好的使用性能,但未提及钢板渗氮处理中出现的表面缺陷问题。
中国专利申请号为CN201510580302.5的文献,其公开了一种《一种低渗氮层脆性38CrMoAl渗氮钢》,其组分为:C 0.35~0.42%;Si 0.20~0.45%;Mn 0.30~0.60%;Cr1.35~1.65%;Mo 0.15~0.25%;Al 0.70~1.10%;P≤0.015%;S≤0.010%;V 0.001~0.01%;Nb 0.001~0.01%;Ti 0.001~0.01%;N 0.0020~0.006%;O 0.0005~0.0025%,其存在的不足:该钢碳含量高,强度大,主要用于结构零件,不能用于冲压制造薄壁铁制容器,同时添加合金种类多且含量高,成本昂贵。
发明内容
本发明在于克服现有技术存在的不足,提供一种钢板表面无条状缺陷及起泡现象的渗氮钢板,且还具有优异的成形性,及生产成本低的表面无缺陷的渗氮铁制容器基板及生产方法。
实现上述目的的措施:
一种表面无缺陷的渗氮铁制容器基板,其组分及重量百分比含量为:C 0.010~0.020%、Mn 0.10~0.50%、Si ≤0.030%、P≤0.02%、S≤0.01%、Als 0.02~0.06%,N ≤0.0035%,Mo0.20~0.50%,Ti 0.01~0.05%或Nb 0.01~0.05%或V 0.01~0.05%或其中两种以上元素的复合,余量为Fe和其他不可避免的杂质。
生产一种表面无缺陷的渗氮铁制容器基板的方法,其在于,其步骤:
1)进行铁水预处理、转炉冶炼,其中:进行真空处理时,控制真空脱碳时间在10~20min,真空循环时间在5~15min;
2)连铸成坯,并控制铸坯拉速在1.0±0.1m/min,液面波动不超过±1mm;
3)对铸坯加热,控制铸坯加热温度在1150~1250℃;
4)进行热轧,控制终轧温度在850~950°C;
5)进行卷取并常规酸洗,控制卷取温度在580~680°C;
6)进行冷轧,控制冷轧总压下率为65~80%;
7)进行退火工序:
采用罩式炉退火或连续退火:当采用罩式炉退火时,其退火温度控制在700~750°C,退火时间控制在20~30h;
当采用连续退火时,控制其退火温度在790~850°C,退火时间在30~120s;
8)精整并待用,精整延伸率控制在0.5~1.3%。
本发明中各元素及主要工艺的作用及机理
C:碳是良好的固溶强化元素,但对钢板的成形性不利,将碳含量控制在0.010%以上即可以保证钢板的强度,低于0.020%可避免成形性能的降低,同时严格控制碳含量范围可降低钢板性能的波动,有利于钢板的冲压加工。
Si,硅是搪瓷钢中的有害元素,Si含量增加会显著增加夹杂物,损害表面质量,Si含量越低越好,因此选择将Si含量控制在0.030%以下。
Mn,锰作为固溶强化元素,同时可改善成形性,选择Mn含量在0.10%以上,含量过高时钢板塑性显著降低,不利于加工使用,同时成本较高,因此Mn含量不应超过0.50%。
Als,铝是强脱氧剂,能够抑制其他氧化物的生成,采用Al脱氧可以有效降低钢液中氧含量,防止气孔缺陷,同时降低钢中夹杂物水平。Al对N具有极大的亲和力,能起到氮化硬化作用,但含量过高容易使钢材塑性恶化,形成氧化铝夹杂,使连铸生产时水口堵塞,不利于连续生产。
P,磷为杂质元素,需要尽量减少其含量。
S,硫容易与Mn结合形成MnS夹杂,同时容易与其他夹杂物形成大尺寸的复合夹杂物,对渗氮不利。
N,氮含量过高对钢板成形性不利,将N含量控制在0.0035%以下可有效避免塑性的恶化。
Mo,钼是对渗氮硬化有利的元素,可以起到显著提高氮化层硬度的作用,同时能增强钢板的红硬性,降低回火脆性,对钢板成形及使用有利,含量过低时效果不明显,选择下限为0.20%,但含量过高会增加冶炼成本,因此选择上限为0.50%。
Ti、Nb及V是强氮化物形成元素,具有促进渗氮作用,同时在轧钢和热处理过程中还能细化晶粒和析出强化,提高钢板强度。当选添加一种元素至一定量时,即可起到这种作用;当选择添加两种或三种元素且配比得当时,效果则更显著。
在本发明中,真空精炼、连铸、热连轧和退火为关键工序,其作用及原理分析如下:
(1)真空精炼主要起到降低钢液碳氧含量、去除夹杂、净化和均匀钢液的作用,由于生产普通低碳钢板一般不采用真空精炼装置,钢中夹杂物含量高,钢板渗氮后经常出现气泡等表面缺陷,经分析,表面缺陷的主要来源是钢中的夹杂或夹渣,本发明通过增加真空精炼工序进行脱碳脱氧,可严格控制钢液碳含量,显著降低钢液氧含量,通过循环使夹杂物上浮入渣,同时可喂丝进行夹杂物改性,最终达到精确控制元素含量和降低钢中夹杂物含量的目的;
(2)连铸过程中,由于液面波动容易造成卷渣,渗氮后造成大尺寸的条状缺陷,本发明通过稳定拉坯速度、采用高粘度保护渣和优化水口浸入深度等连铸工艺措施,有效控制了液面波动,基本消除了大块保护渣卷入钢液的问题,从而避免了由夹渣导致的表面缺陷问题;
(3)热连轧加热温度为1150~1250℃,由于钢中添加合金种类较多,加热温度高于1150℃可以保证钢坯充分奥氏体化,达到组织均匀的目的,同时钢中化合物能充分溶解,冷却过程中析出,能起到细化晶粒的作用,而温度越高,钢坯氧化越严重,容易形成更多氧化铁皮,不易清除,同时造成高能耗,因此加热温度不超过1250℃。终轧温度控制在850~950°C,可避免两相区轧制带来的混晶问题。卷取温度控制在580~680℃,可保证析出相充分析出,有利于细化晶粒,晶粒细化有利于提供更多的渗氮通道,避免局部氮含量过高引起渗氮层结构异常,从而降低表面缺陷率;
(4)退火可采用罩式退火或连续退火,其退火温度控制为700~750℃,退火时间20~30h,平整延伸率0.5~1.3%,a)罩式退火:温度相对较低,退火时间长能保证再结晶完全和析出物充分析出,b)连续退火:温度较高,再结晶时间短,因而退火时间短,晶粒更细小,性能更均匀;根据厚度规格调整平整延伸率,可有效改善板形,同时优化力学性能。
本发明与现有技术相比,钢板渗氮后表面无条状缺陷及起泡现象,且还具有优异的成形性,与DC01钢板相比,仅添加了少量含Mo、Ti、Nb或V的合金,生产成本低。
具体实施方式
下面对本发明予以详细描述:
表1为本发明各实施例及对比例的取值列表;
表2为本发明各实施例及对比例的主要工艺参数列表;
表3为本发明各实施例及对比例性能检测情况列表。
本发明各实施例按照以下步骤生产:
1)进行铁水预处理、转炉冶炼,其中:进行真空处理时,控制真空脱碳时间在10~20min,真空循环时间在5~15min;
2)连铸成坯,并控制铸坯拉速在1.0±0.1m/min,液面波动不超过±1mm;
3)对铸坯加热,控制铸坯加热温度在1150~1250℃;
4)进行热轧,控制终轧温度在850~950°C;
5)进行卷取并常规酸洗,控制卷取温度在580~680°C;
6)进行冷轧,控制冷轧总压下率为65~80%;
7)进行退火工序:
采用罩式炉退火或连续退火:当采用罩式炉退火时,其退火温度控制在700~750°C,退火时间控制在20~30h;
当采用连续退火时,控制其退火温度在790~850°C,退火时间在30~120s;
8)精整并待用,精整延伸率控制在0.5~1.3%。
表1 本发明各实施例及对比例的取值列表(wt%)
表2 本发明各实施例及对比例的工艺参数
表3本发明各实施例及对比例的性能情况
渗氮试验条件:放入气体渗氮炉进行渗氮处理,渗氮温度为650℃。
如表3所示,可以看出,本发明制造的钢板强度适当,塑性良好,晶粒细小,具有良好的成形性,渗氮后硬度均达到400HV以上,同时无表面缺陷出现,而超出本发明范围的对比例在钢板成形性或渗氮质量上存在问题。
本具体实施方式仅为最佳例举,并非对本发明技术方案的限制性实施。
Claims (2)
1.一种表面无缺陷的渗氮铁制容器基板,其组分及重量百分比含量为:C 0.010~0.020%、Mn 0.10~0.50%、Si ≤0.030%、P≤0.02%、S≤0.01%、Als 0.02~0.06%,N ≤0.0035%,Mo 0.20~0.50%,Ti 0.01~0.05%或Nb 0.01~0.05%或V 0.01~0.05%或其中两种以上元素的复合,余量为Fe和其他不可避免的杂质。
2.生产如权利要求1所述的一种表面无缺陷的渗氮铁制容器基板的方法,其特征在于,其步骤:
1)进行铁水预处理、转炉冶炼,其中:进行真空处理时,控制真空脱碳时间在10~20min,真空循环时间在5~15min;
2)连铸成坯,并控制铸坯拉速在1.0±0.1m/min,液面波动不超过±1mm;
3)对铸坯加热,控制铸坯加热温度在1150~1250℃;
4)进行热轧,控制终轧温度在850~950°C;
5)进行卷取并常规酸洗,控制卷取温度在580~680°C;
6)进行冷轧,控制冷轧总压下率为65~80%;
7)进行退火工序:
采用罩式炉退火或连续退火:当采用罩式炉退火时,其退火温度控制在700~750°C,退火时间控制在20~30h;
当采用连续退火时,控制其退火温度在790~850°C,退火时间在30~120s;
8)精整并待用,精整延伸率控制在0.5~1.3%。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610672466.5A CN106222551B (zh) | 2016-08-16 | 2016-08-16 | 一种表面无缺陷的渗氮铁制容器基板及生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610672466.5A CN106222551B (zh) | 2016-08-16 | 2016-08-16 | 一种表面无缺陷的渗氮铁制容器基板及生产方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106222551A true CN106222551A (zh) | 2016-12-14 |
CN106222551B CN106222551B (zh) | 2018-05-01 |
Family
ID=57548321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610672466.5A Expired - Fee Related CN106222551B (zh) | 2016-08-16 | 2016-08-16 | 一种表面无缺陷的渗氮铁制容器基板及生产方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106222551B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107916371A (zh) * | 2017-11-24 | 2018-04-17 | 攀钢集团攀枝花钢铁研究院有限公司 | 搪瓷钢的生产方法 |
CN113564476A (zh) * | 2021-07-28 | 2021-10-29 | 马鞍山钢铁股份有限公司 | 一种渗氮钢用基板及生产方法、具有优良耐腐蚀渗氮钢及其渗氮方法和应用 |
CN114643341A (zh) * | 2022-03-18 | 2022-06-21 | 安阳钢铁股份有限公司 | 一种消除普通取向硅钢钢板表面鼓泡缺陷的方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004307984A (ja) * | 2003-04-10 | 2004-11-04 | Nippon Steel Corp | 塗装焼き付け硬化性と耐常温時効性に優れた冷延鋼板、およびその製造方法 |
CN1910296A (zh) * | 2004-01-19 | 2007-02-07 | 新日本制铁株式会社 | 用于容器中的钢板及其制造方法 |
CN1966753A (zh) * | 2005-11-16 | 2007-05-23 | 鞍钢股份有限公司 | 一种热轧双面搪瓷用钢板及其制造方法 |
CN101684532A (zh) * | 2008-09-27 | 2010-03-31 | 鞍钢股份有限公司 | 一种冷轧热水器用搪瓷钢及生产方法 |
CN103484757A (zh) * | 2013-10-17 | 2014-01-01 | 武汉钢铁(集团)公司 | 具有抗鳞爆性能的搪瓷钢及其制造方法 |
CN104250705A (zh) * | 2014-09-19 | 2014-12-31 | 宝山钢铁股份有限公司 | 一种具有高温烘烤硬化性的搪瓷用钢及其制造方法 |
-
2016
- 2016-08-16 CN CN201610672466.5A patent/CN106222551B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004307984A (ja) * | 2003-04-10 | 2004-11-04 | Nippon Steel Corp | 塗装焼き付け硬化性と耐常温時効性に優れた冷延鋼板、およびその製造方法 |
CN1910296A (zh) * | 2004-01-19 | 2007-02-07 | 新日本制铁株式会社 | 用于容器中的钢板及其制造方法 |
CN1966753A (zh) * | 2005-11-16 | 2007-05-23 | 鞍钢股份有限公司 | 一种热轧双面搪瓷用钢板及其制造方法 |
CN101684532A (zh) * | 2008-09-27 | 2010-03-31 | 鞍钢股份有限公司 | 一种冷轧热水器用搪瓷钢及生产方法 |
CN103484757A (zh) * | 2013-10-17 | 2014-01-01 | 武汉钢铁(集团)公司 | 具有抗鳞爆性能的搪瓷钢及其制造方法 |
CN104250705A (zh) * | 2014-09-19 | 2014-12-31 | 宝山钢铁股份有限公司 | 一种具有高温烘烤硬化性的搪瓷用钢及其制造方法 |
Non-Patent Citations (1)
Title |
---|
李晶: "《钢铁是这样炼成的》", 30 September 2013, 北京理工大学出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107916371A (zh) * | 2017-11-24 | 2018-04-17 | 攀钢集团攀枝花钢铁研究院有限公司 | 搪瓷钢的生产方法 |
CN113564476A (zh) * | 2021-07-28 | 2021-10-29 | 马鞍山钢铁股份有限公司 | 一种渗氮钢用基板及生产方法、具有优良耐腐蚀渗氮钢及其渗氮方法和应用 |
CN114643341A (zh) * | 2022-03-18 | 2022-06-21 | 安阳钢铁股份有限公司 | 一种消除普通取向硅钢钢板表面鼓泡缺陷的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106222551B (zh) | 2018-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101906577B (zh) | 采用薄板连铸连轧生产的无取向电工钢及其方法 | |
EP3196328B1 (en) | Enamel steel having high-temperature baking hardenability and manufacturing method therefor | |
CN105063492B (zh) | 汽车摩擦片的热轧钢材及其制备方法 | |
CN105838994B (zh) | 镀铬板及其制造方法、皇冠盖 | |
CN1807672A (zh) | 中铬含铜铁素体抗菌抗皱不锈钢板带及其制造方法 | |
CN105483535B (zh) | 一种高强度热镀锌双相钢及其制备方法 | |
CN108342654A (zh) | 屈服强度230MPa以上的冷轧搪瓷钢的制造方法 | |
JP2022507855A (ja) | 高降伏比冷間圧延二相鋼及びその製造方法 | |
TWI548755B (zh) | 氮化處理用鋼板及其製造方法 | |
CN109694990A (zh) | 具有良好强塑性的轻质相变诱导塑性钢及其生产方法 | |
WO2016120914A1 (ja) | 高強度めっき鋼板およびその製造方法 | |
CN110714165B (zh) | 一种320MPa级家电面板用冷轧薄板及其生产方法 | |
CN106222551B (zh) | 一种表面无缺陷的渗氮铁制容器基板及生产方法 | |
CN108588559A (zh) | 屈服强度230MPa以上的冷轧搪瓷钢 | |
CN101906571B (zh) | 一种基于csp工艺的表面质量良好的经济型热轧双相钢的制造方法 | |
CN111655893B (zh) | 高碳热轧钢板及其制造方法 | |
CN104411848B (zh) | 软氮化处理用钢板及其制造方法 | |
CN113198851A (zh) | 一种搪瓷钢热轧酸洗薄板的生产方法 | |
CN110079733B (zh) | 一种极薄规格超高强度中碳贝氏体钢及其制造方法 | |
CN110066966A (zh) | 一种低内应力含钛高强钢及生产方法 | |
CN108474084B (zh) | 加工性优异的热轧镀覆钢板及其制造方法 | |
CN108504947A (zh) | 一种二次冷轧镀锡板及其生产方法 | |
CN111676420A (zh) | 一种家电用电视机背板及其制造方法 | |
JP4486518B2 (ja) | プレス成形性とプレス成形時の被膜密着性に優れた合金化溶融亜鉛めっき鋼板 | |
CN117960829B (zh) | 热冲压构件的制备方法及热冲压构件 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170727 Address after: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Applicant after: WUHAN IRON AND STEEL Co.,Ltd. Address before: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Applicant before: WUHAN IRON AND STEEL Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |
|
CF01 | Termination of patent right due to non-payment of annual fee |