CN111020394A - 一种低成本普通压力容器用钢及其制备方法 - Google Patents
一种低成本普通压力容器用钢及其制备方法 Download PDFInfo
- Publication number
- CN111020394A CN111020394A CN201911407993.3A CN201911407993A CN111020394A CN 111020394 A CN111020394 A CN 111020394A CN 201911407993 A CN201911407993 A CN 201911407993A CN 111020394 A CN111020394 A CN 111020394A
- Authority
- CN
- China
- Prior art keywords
- rolling
- percent
- temperature
- steel
- controlled
- 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.)
- Withdrawn
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 42
- 238000010079 rubber tapping Methods 0.000 claims description 19
- 239000011575 calcium Substances 0.000 claims description 17
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 12
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 8
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 8
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 4
- 238000009749 continuous casting Methods 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 238000004886 process control Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005275 alloying Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001069 Ti alloy Inorganic materials 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- CYUOWZRAOZFACA-UHFFFAOYSA-N aluminum iron Chemical compound [Al].[Fe] CYUOWZRAOZFACA-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
-
- 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
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
-
- 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
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
-
- 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)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
本发明公开了一种低成本普通压力容器用钢,包括如下质量百分比的化学成分:C 0.17‑0.19%;Si 0.05‑0.15%;Mn 0.50‑0.70%;P≤0.015%;S≤0.005%;Ti 0.015‑0.025%;Alt 0.030‑0.050%;Ca 0.0010‑0.0030%;余量为Fe及原料其它残留元素。还公布了其制备方法。本发明的目的是提供一种低成本普通压力容器用钢及其制备方法,低碳+钛成分系,相比其加入更少的Ti合金,工业生产稳定,不仅降低生产成本,且能保证产品性能的稳定性。
Description
技术领域
本发明涉及普通压力容器钢技术领域,尤其涉及一种低成本普通压力容器用钢及其制备方法。
背景技术
目前,国内锅炉和压力容器用钢产品的生产技术较为稳定,且国内大部分企业可以稳定生产。但随着市场竞争加剧,未来急需通过优化工艺、降低成本来提升产品的竞争力,来满足稳定的供货需求。因此,本发明主要通过工艺优化,降低合金成分来开发一种成本低、性能稳定的压力容器钢,提升产品的竞争力。
发明内容
本发明的目的是提供一种低成本普通压力容器用钢及其制备方法,低碳+钛成分系,相比其加入更少的Ti合金,工业生产稳定,不仅降低生产成本,且能保证产品性能的稳定性。
为解决上述技术问题,本发明采用如下技术方案:
一种低成本普通压力容器用钢,包括如下质量百分比的化学成分:C 0.17-0.19%;Si 0.05-0.15%;Mn 0.50-0.70%;P≤0.015%;S≤0.005%;Ti 0.015-0.025%;Alt 0.030-0.050%;Ca 0.0010-0.0030%;余量为Fe及原料其它残留元素。
进一步的,包括如下质量百分比的化学成分:C 0.18%;Si 0.10%;Mn 0.60%;P010%;S 0.0035%;Ti 0.020%;Alt 0.030%;Ca 0.0014%;余量为Fe及原料其它残留元素。
一种低成本普通压力容器用钢的制备方法,包括:
转炉:出钢温度≥1620℃,保证成分与温度协调出钢;若新出钢口或非正常周转钢包,出钢温度在上限基础上酌情提高10-15℃;
LF炉:进行造渣、脱氧、脱硫及去除夹杂物过程控制,根据钢水成分加入锰铁、硅铁、钛铁微调钢水成分到目标范围,喂入钙线进行钙处理,钙处理完毕保证软吹时间大于8min;
连铸:该钢种液相线温度为1516℃,第一包中间包钢水过热度25-40℃,其它炉次钢水过热度15-30℃;铸机采用恒拉速,控制范围:0.9~1.3m/min;
热轧:板坯加热温度控制在1185-1215℃;在炉时间控制在180-300min;均热温度控制在1180-1220℃;粗轧采用3+3模式或者1+5模式;精轧开轧温度控制在940-1000℃;终轧温度控制在835-875℃;卷取温度在570-620℃。
进一步的,所述转炉工序中在转炉出钢过程中加入铝铁、硅铁、锰铁进行脱氧合金化。
进一步的,所述热轧具体包括:
板坯出炉温度控制在1200±15℃;在炉时间控制在≥180min;
高压水除磷;
压力机定宽;
E1R1粗轧机轧制和E2R2粗轧机轧制,粗轧模式采用1#粗轧机轧制1道次,2#粗轧机轧制3道次;或1#粗轧机轧制3道次,2#粗轧机轧制5道次;
飞剪;
高压水除磷;
精轧机轧制,精轧开轧温度控制在940-1000℃;终轧温度控制在835-875℃;卷取温度在570-620℃。
与现有技术相比,本发明的有益技术效果:
本发明提供一种低成本普通压力容器用钢的设计开发方法,具体采用C-Mn-Ti成分系制备工艺及方法,该方法采用加入微量合金钛元素,在2250mm产线优化轧制工艺,保证产品的综合机械性能,具有广泛的应用前景。
附图说明
下面结合附图说明对本发明作进一步说明。
图1为生产出的产品不同厚度规格的屈服强度示意图;
图2为生产出的产品不同厚度规格的抗拉强度示意图;
图3为生产出的产品不同厚度规格的伸长率(延伸率)示意图;
图4为生产出的产品不同厚度规格的冲击功示意图。
具体实施方式
以下为本发明较佳的实施方式,并不因此而限定了本发明的保护范围。
本发明提供一种低成本普通压力容器用钢的设计开发方法,其质量百分比的化学成分为:C 0.17-0.19%;Si 0.05-0.15%;Mn 0.50-0.70%;P≤0.015%;S≤0.005%;Ti0.015-0.025%;Alt 0.030-0.050;Ca 0.0010-0.0030%;余量为Fe及原料其它残留元素。
加入的元素中:Mn降低钢的下临界点,增加奥氏体的冷却时的过冷度,细化珠光体组织,改善其力学性能;Si是常用的脱氧剂,起到固溶强化作用;Ti有较强的固溶强化作用,同时形成的碳氮化物起到强的抑制奥氏体晶粒长大的作用,既提高材料的强度又保证材料的塑性指标。
更进一步,提供一种低成本普通压力容器用钢的设计开发方法,其具体步骤为:
转炉:出钢温度≥1620℃,保证成分与温度协调出钢;若新出钢口或非正常周转钢包,出钢温度在上限基础上酌情提高10-15℃。转炉出钢过程中加入铝铁、硅铁、锰铁等进行脱氧合金化。
LF炉:进行造渣、脱氧、脱硫及去除夹杂物过程控制,根据钢水成分加入锰铁、硅铁、钛铁等合金微调钢水成分到目标范围,喂入钙线进行钙处理,钙处理完毕保证软吹时间大于8min。
连铸:该钢种液相线温度为1516℃,第一包中间包钢水过热度25-40℃,其它炉次钢水过热度15-30℃;铸机采用恒拉速,控制范围:0.9~1.3m/min。
热轧:板坯加热温度控制在1185-1215℃;在炉时间控制在180-300min;均热温度控制在1180-1220℃;粗轧采用3+3模式或者1+5模式;精轧开轧温度控制在940-1000℃;终轧温度控制在835-875℃;卷取温度在570-620℃。
优选低,热轧具体包括:
板坯出炉温度控制在1200±15℃;在炉时间控制在≥180min。
高压水除磷;
压力机定宽;
E1R1粗轧机轧制和E2R2粗轧机轧制,粗轧模式采用1#粗轧机轧制1道次,2#粗轧机轧制3道次;或1#粗轧机轧制3道次,2#粗轧机轧制5道次;
飞剪;
高压水除磷;
精轧机轧制,精轧开轧温度控制在940-1000℃;终轧温度控制在835-875℃;卷取温度在570-620℃。
钢卷托盘运输;
取样和检验。
本发明提供一种低成本普通压力容器用钢的设计开发方法,具体采用C-Mn-Ti成分系制备工艺及方法,该方法采用加入微量合金钛元素,在2250mm产线优化轧制工艺,保证产品的综合机械性能,具有广泛的应用前景。
下面结合实施例,进一步阐述本发明:
实施例1
1.材料的冶炼
1.1转炉:出钢温度≥1620℃,保证成分与温度协调出钢;若新出钢口出钢温度在温度上限的基础上酌情提高10-15℃。该钢种采用锰铁、硅铁等合金进行合金化,终脱氧采用铝铁脱氧。
1.2精炼:LF炉进行造渣、脱氧、脱硫及去除夹杂物过程控制,根据钢水成分加入锰铁、硅铁、钛铁等合金微调钢水成分到目标范围,喂入钙线进行钙处理,钙处理完毕保证软吹时间大于8min。
1.3连铸:该钢种液相线温度为1516℃,第一包中间包钢水过热度25-40℃,其它炉次钢水过热度15-30℃。
2.控轧控冷工艺
采用步进式加热炉加热铸坯,具体工艺见表1和表2,粗轧采用3+3模式或者1+3模式,精轧采用F1-F7。
表1铸坯加热工艺参数
表2轧制工艺参数
3实施例分析
3.1根据以上冶炼要求,冶炼工业气瓶的化学成分见表3所示。
表3化学成分
3.2按照上述成分设计和热轧工艺,生产出产品的力学性能见下图1至4所示,试验方法参照GB/T 713-2014标准。
以上所述的实施例仅是对本发明的优选方式进行描述,并非对本发明的范围进行限定,在不脱离本发明设计精神的前提下,本领域普通技术人员对本发明的技术方案做出的各种变形和改进,均应落入本发明权利要求书确定的保护范围内。
Claims (5)
1.一种低成本普通压力容器用钢,其特征在于,包括如下质量百分比的化学成分:C0.17-0.19%;Si 0.05-0.15%;Mn 0.50-0.70%;P≤0.015%;S≤0.005%;Ti 0.015-0.025%;Alt 0.030-0.050%;Ca 0.0010-0.0030%;余量为Fe及原料其它残留元素。
2.根据权利要求1所述的低成本普通压力容器用钢,其特征在于,包括如下质量百分比的化学成分:C 0.18%;Si 0.10%;Mn 0.60%;P 010%;S 0.0035%;Ti 0.020%;Alt0.030%;Ca 0.0014%;余量为Fe及原料其它残留元素。
3.根据权利要求1或2所述的低成本普通压力容器用钢的制备方法,其特征在于,包括:
转炉:出钢温度≥1620℃,保证成分与温度协调出钢;若新出钢口或非正常周转钢包,出钢温度在上限基础上酌情提高10-15℃;
LF炉:进行造渣、脱氧、脱硫及去除夹杂物过程控制,根据钢水成分加入锰铁、硅铁、钛铁微调钢水成分到目标范围,喂入钙线进行钙处理,钙处理完毕保证软吹时间大于8min;
连铸:该钢种液相线温度为1516℃,第一包中间包钢水过热度25-40℃,其它炉次钢水过热度15-30℃;铸机采用恒拉速,控制范围:0.9~1.3m/min;
热轧:板坯加热温度控制在1185-1215℃;在炉时间控制在180-300min;均热温度控制在1180-1220℃;粗轧采用3+3模式或者1+5模式;精轧开轧温度控制在940-1000℃;终轧温度控制在835-875℃;卷取温度在570-620℃。
4.根据权利要求3所述的制备方法,其特征在于,所述转炉工序中在转炉出钢过程中加入铝铁、硅铁、锰铁进行脱氧合金化。
5.根据权利要求3所述的制备方法,其特征在于,所热轧具体包括:
板坯出炉温度控制在1200±15℃;在炉时间控制在≥180min;
高压水除磷;
压力机定宽;
E1R1粗轧机轧制和E2R2粗轧机轧制,粗轧模式采用1#粗轧机轧制1道次,2#粗轧机轧制3道次;或1#粗轧机轧制3道次,2#粗轧机轧制5道次;
飞剪;
高压水除磷;
精轧机轧制,精轧开轧温度控制在940-1000℃;终轧温度控制在835-875℃;卷取温度在570-620℃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911407993.3A CN111020394A (zh) | 2019-12-31 | 2019-12-31 | 一种低成本普通压力容器用钢及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911407993.3A CN111020394A (zh) | 2019-12-31 | 2019-12-31 | 一种低成本普通压力容器用钢及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111020394A true CN111020394A (zh) | 2020-04-17 |
Family
ID=70197423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911407993.3A Withdrawn CN111020394A (zh) | 2019-12-31 | 2019-12-31 | 一种低成本普通压力容器用钢及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111020394A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111809111A (zh) * | 2020-06-17 | 2020-10-23 | 包头钢铁(集团)有限责任公司 | 一种稀土微合金低温容器用钢及其制备方法 |
CN114196889A (zh) * | 2021-11-29 | 2022-03-18 | 湖南华菱涟源钢铁有限公司 | 热轧钢板材料及其制造方法和制品 |
-
2019
- 2019-12-31 CN CN201911407993.3A patent/CN111020394A/zh not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111809111A (zh) * | 2020-06-17 | 2020-10-23 | 包头钢铁(集团)有限责任公司 | 一种稀土微合金低温容器用钢及其制备方法 |
CN114196889A (zh) * | 2021-11-29 | 2022-03-18 | 湖南华菱涟源钢铁有限公司 | 热轧钢板材料及其制造方法和制品 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103160729B (zh) | 中碳微合金化工程机械履带链片用钢及其生产工艺 | |
CN102051530B (zh) | 一种48MnV含氮钢及其加氮工艺 | |
CN102002635B (zh) | 一种厚规格压力容器用钢的制备方法 | |
CN102796957B (zh) | 一种高韧性15CrMoR压力容器用钢板 | |
US20230098225A1 (en) | Steel board for polar marine engineering and preparation method therefor | |
CN102618782A (zh) | 一种大规格z向h型钢及其制备方法 | |
CN113215472B (zh) | 铌钒微合金化高强细晶非调质冷镦钢方坯及其制造方法 | |
CN109136754B (zh) | 一种冷轧低合金高强度钢及其生产方法 | |
CN102268608B (zh) | 大容量高压气瓶钢及其生产方法 | |
CN103361561B (zh) | 接箍料用无缝钢管的制备方法 | |
CN109385576A (zh) | 一种基于镁处理的低成本x65管线钢及其制造方法 | |
CN111979483A (zh) | 一种利用常规热轧生产线生产q345r钢板的方法 | |
CN107699796A (zh) | 一种低碳复合型易切削钢及其生产方法 | |
CN102925794A (zh) | 双层卷焊管用冷轧带钢及其制造方法 | |
CN103192012A (zh) | 一种20CrMnTi齿轮钢轧制生产工艺 | |
CN108994268A (zh) | 一种550MPa级热轧集装箱用耐候钢及其制造方法 | |
CN113846260B (zh) | 一种工程机械用高强度钢板的生产方法 | |
CN112522601A (zh) | 一种生产含Nb低成本小中规格热轧H型钢的工艺方法 | |
CN114182173A (zh) | 发动机曲轴用非调质钢及其生产方法 | |
CN109881081A (zh) | 一种700MPa级热轧集装箱钢及其低成本生产工艺 | |
CN111809111A (zh) | 一种稀土微合金低温容器用钢及其制备方法 | |
CN101831585A (zh) | 一种高强汽车车轮用钢及其制造方法 | |
CN111020394A (zh) | 一种低成本普通压力容器用钢及其制备方法 | |
CN112517634A (zh) | 一种生产低成本355MPa热轧H型钢的工艺 | |
CN111996443A (zh) | 一种稀土耐磨nm360型钢及其生产工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200417 |