CN114807729A - 一种05Cr17Ni4Cu4Nb钢的生产方法 - Google Patents
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000007670 refining Methods 0.000 claims abstract description 17
- 238000003723 Smelting Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000010891 electric arc Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052786 argon Inorganic materials 0.000 claims abstract description 4
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
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- 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
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- 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
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- 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
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- 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
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- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- 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
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Abstract
本发明属于金属材料技术领域,具体涉及一种05Cr17Ni4Cu4Nb钢的生产方法。本发明提供的05Cr17Ni4Cu4Nb钢的生产方法包括以下步骤:在所述还原期或者电弧炉冶炼出钢前10分钟,往钢液中加入复合脱氧剂,所述钢液从电弧炉中出钢进入VODC真空精炼炉精炼后,吹氩气;所述复合脱氧剂的原料选用低碳锰铁、铝饼、硅钙和废钢。利用本发明的方法生产出来的05Cr17Ni4Cu4Nb钢,非金属夹杂物级别能够达到A≤0.5、B≤0、C≤0、D≤1.0的级别,超过现有标准,生产的05Cr17Ni4Cu4Nb钢材料性能稳定,满足现代工业对05Cr17Ni4Cu4Nb材料的使用要求。
Description
本申请是申请日为2018年08月01日、申请号为201810863048.3、发明名称为《一种提高05Cr17Ni4Cu4Nb钢夹杂物等级的方法》的分案申请。
技术领域
本发明属于金属材料技术领域,具体涉及一种05Cr17Ni4Cu4Nb钢的生产方法。
背景技术
05Cr17Ni4Cu4Nb钢材料是机电等领域关键零件的主要材料,由于其强度高,常用于受力状态,为了提高材料性能及其使用寿命,现代航空、船舶、能源等领域对05Cr17Ni4Cu4Nb材料使用提出了更高的要求,其夹杂物从原来的A≤2级、B≤2级、C≤2级和D≤2级提高到了A≤1.5级、B≤1.5级、C≤1.5级和D≤1.5级。要使得05Cr17Ni4Cu4Nb钢达到这一非金属夹杂物等级要求,尤其是D(球状氧化物)≤1.5级,实际生产过程难度较大,产品稳定性很难保证。
发明内容
本发明的目的在于提供一种05Cr17Ni4Cu4Nb钢的生产方法。本发明提供的生产方法不仅非金属夹杂物级别超过现有标准,而且性能稳定。
针对现有技术中存在的问题,本发明采用的技术方案是:一种05Cr17Ni4Cu4Nb钢的生产方法,依次包括以下步骤:配料、电弧炉冶炼、VODC真空精炼炉精炼、浇注、锻造、锻件粗加工、探伤检测、热处理和理化检测,所述电弧炉冶炼包括有还原期,在所述还原期或者电弧炉冶炼出钢前10分钟,往钢液中加入复合脱氧剂,所述钢液从电弧炉中出钢进入VODC真空精炼炉精炼后,吹氩气;所述05Cr17Ni4Cu4Nb钢的化学成分按重量百分比为:C:0.047~0.060wt%;Si:≤0.50wt%;Mn:0.50~0.80wt%;Cr:15.50~16.50wt%;Ni:3.25~4.50wt%;Nb:0.23~0.38wt%;Cu:3.20~4.50wt%;S:≤0.010wt%;P:≤0.025wt%;余量为Fe;所述复合脱氧剂的化学成分按重量百分比为:C:≤0.5wt%;Mn:20wt%;Si:10wt%;Al:0.8wt%;Ca:0.6wt%;余量为Fe;所述复合脱氧剂的加入量为8kg/t;所述复合脱氧剂的原料选用低碳锰铁、铝饼、硅钙和废钢。
作为上述方案的优选,所述复合脱氧剂的生产过程包括以下步骤:按复合脱氧剂的化学成分进行配料,利用中频炉冶炼,1400℃出炉,在1380℃条件下进行浇注形成圆锭,破碎呈小块得到复合脱氧剂。
本发明的有益效果是:利用本发明的方法生产出来的05Cr17Ni4Cu4Nb钢,非金属夹杂物级别能够达到A=0.5、B=0、C=0、D=1.0的级别,超过现有标准,生产的05Cr17Ni4Cu4Nb钢材料性能稳定,满足现代工业对05Cr17Ni4Cu4Nb材料的使用要求。
具体实施方式
本发明提供了一种05Cr17Ni4Cu4Nb钢的生产方法,依次包括以下步骤:配料、电弧炉冶炼、VODC真空精炼炉精炼、浇注、锻造、锻件粗加工、探伤检测、热处理和理化检测,所述电弧炉冶炼过程包括有还原期,在所述还原期或者电弧炉冶炼出钢前10分钟,往钢液中加入复合脱氧剂,所述钢液从电弧炉中出钢进入VODC真空精炼炉精炼后,吹氩气;所述05Cr17Ni4Cu4Nb钢的化学成分按重量百分比为:C:0.047~0.060wt%;Si:≤0.50wt%;Mn:0.50~0.80wt%;Cr:15.50~16.50wt%;Ni:3.25~4.50wt%;Nb:0.23~0.38wt%;Cu:3.20~4.50wt%;S:≤0.010wt%;P:≤0.025wt%;余量为Fe;所述复合脱氧剂的化学成分按重量百分比为:C:≤0.5wt%;Mn:20wt%;Si:10wt%;Al:0.8wt%;Ca:0.6wt%;余量为Fe;所述复合脱氧剂的加入量为8kg/t。
所述复合脱氧剂的生产过程包括以下步骤:按复合脱氧剂的化学成分进行配料,原料选用低碳锰铁、铝饼、硅钙和废钢,利用中频炉冶炼,1400℃出炉,在1380℃条件下进行浇注形成圆锭,破碎呈小块得到复合脱氧剂。
在本发明中,复合脱氧剂在05Cr17Ni4Cu4Nb钢冶炼过程中形成共晶点颗粒生成物,达到球状夹杂物净化的作用。其中,Mn、Si和Al为脱氧元素,Ca为强脱氧脱硫剂,使钢液中夹杂物形成球状氧体,由于边界作用的原理,在VODC真空精炼炉精炼过程中夹杂物凝聚上升,从而进行排除提纯。
化学成分测试见下表:
非金属夹杂物监测结果:
本申请与原有05Cr17Ni4Cu4Nb钢相比,首先通过优化05Cr17Ni4Cu4Nb钢的成分,再通过复合脱氧剂的使用控制夹杂物,配合VODC精炼控制(S≤0.010%,P≤0.025%),从而提高了05Cr17Ni4Cu4Nb钢的综合性能和使用寿命,成为特种设备关键零部件的理想使用材料。
以上详细描述了本发明的较佳具体实施例,应当理解,本领域的普通技术人员无需创造性劳动就可以根据本发明的构思做出诸多修改和变化,因此,凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案,皆应在由权利要求书所确定的保护范围内。
Claims (2)
1.一种05Cr17Ni4Cu4Nb钢的生产方法,依次包括以下步骤:配料、电弧炉冶炼、VODC真空精炼炉精炼、浇注、锻造、锻件粗加工、探伤检测、热处理和理化检测,所述电弧炉冶炼包括有还原期,其特征在于,在所述还原期或者电弧炉冶炼出钢前10分钟,往钢液中加入复合脱氧剂,所述钢液从电弧炉中出钢进入VODC真空精炼炉精炼后,吹氩气;所述05Cr17Ni4Cu4Nb钢的化学成分按重量百分比为:C:0.047~0.060wt%;Si:≤0.50wt%;Mn:0.50~0.80wt%;Cr:15.50~16.50wt%;Ni:3.25~4.50wt%;Nb:0.23~0.38wt%;Cu:3.20~4.50wt%;S:≤0.010wt%;P:≤0.025wt%;余量为Fe;所述复合脱氧剂的化学成分按重量百分比为:C:≤0.5wt%;Mn:20wt%;Si:10wt%;Al:0.8wt%;Ca:0.6wt%;余量为Fe;所述复合脱氧剂的加入量为8kg/t;所述复合脱氧剂的原料选用低碳锰铁、铝饼、硅钙和废钢。
2.如权利要求1所述的生产方法,其特征在于,所述复合脱氧剂的生产过程包括以下步骤:按复合脱氧剂的化学成分进行配料,利用中频炉冶炼,1400℃出炉,在1380℃条件下进行浇注形成圆锭,破碎呈小块得到复合脱氧剂。
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CN1664126A (zh) * | 2005-03-28 | 2005-09-07 | 浙江大隆合金钢有限公司 | 复合脱氧剂以及在冶炼0Cr17Ni4Cu4Nb净化钢液的应用工艺 |
CN101104909A (zh) * | 2007-07-26 | 2008-01-16 | 俞荣新 | 00Cr13Ni5Mo超低碳马氏体不锈钢及其生产方法 |
WO2008144617A1 (en) * | 2007-05-17 | 2008-11-27 | Affival, Inc. | Enhanced alloy recovery in molten steel baths utilizing cored wires doped with deoxidants |
CN103074465A (zh) * | 2012-12-12 | 2013-05-01 | 青岛三合山精密铸造有限公司 | 一种钢水提纯的铸造方法 |
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CN105839026A (zh) * | 2016-05-21 | 2016-08-10 | 四川六合锻造股份有限公司 | 一种燃气轮机压气机叶片钢材料及其制备方法 |
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CN1664126A (zh) * | 2005-03-28 | 2005-09-07 | 浙江大隆合金钢有限公司 | 复合脱氧剂以及在冶炼0Cr17Ni4Cu4Nb净化钢液的应用工艺 |
WO2008144617A1 (en) * | 2007-05-17 | 2008-11-27 | Affival, Inc. | Enhanced alloy recovery in molten steel baths utilizing cored wires doped with deoxidants |
CN101104909A (zh) * | 2007-07-26 | 2008-01-16 | 俞荣新 | 00Cr13Ni5Mo超低碳马氏体不锈钢及其生产方法 |
CN103074465A (zh) * | 2012-12-12 | 2013-05-01 | 青岛三合山精密铸造有限公司 | 一种钢水提纯的铸造方法 |
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