CN113621888B - 一种825铁镍基合金热连轧板卷制备工艺 - Google Patents

一种825铁镍基合金热连轧板卷制备工艺 Download PDF

Info

Publication number
CN113621888B
CN113621888B CN202110911986.8A CN202110911986A CN113621888B CN 113621888 B CN113621888 B CN 113621888B CN 202110911986 A CN202110911986 A CN 202110911986A CN 113621888 B CN113621888 B CN 113621888B
Authority
CN
China
Prior art keywords
fixed
less
equal
rolling
heating
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.)
Active
Application number
CN202110911986.8A
Other languages
English (en)
Other versions
CN113621888A (zh
Inventor
倪新春
蔡德智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Shengyang Metal Technology Co Ltd
Original Assignee
Shandong Shengyang Metal Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Shengyang Metal Technology Co Ltd filed Critical Shandong Shengyang Metal Technology Co Ltd
Priority to CN202110911986.8A priority Critical patent/CN113621888B/zh
Publication of CN113621888A publication Critical patent/CN113621888A/zh
Application granted granted Critical
Publication of CN113621888B publication Critical patent/CN113621888B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • B21B1/24—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 in a continuous or semi-continuous process
    • B21B1/26—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 in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • 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
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/72—Rear end control; Front end control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
    • 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
    • B21B45/02—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 lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • B21B45/0287—Cleaning devices removing solid particles, e.g. dust, rust
    • 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
    • B21B45/06—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 of strip material
    • 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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/0247—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
    • C22C38/001—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
    • C22C38/06—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
    • C22C38/18—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
    • 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
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/086—Iron or steel solutions containing HF

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Metal Rolling (AREA)

Abstract

本发明公开了一种825铁镍基合金热连轧板卷制备工艺，化学成分重量百分比为化学成分重量百分比为C≤0.03％，Mn≤1.00％，Ni：38～46％，Mo≤4％,Si≤0.5％,Cr：19.5～23.5％,N：0.18～0.22％,Cu：1.5～3.0％,P≤0.03％,S≤0.01％,Al≤0.2％,Ti：0.6～1.2％,其余为Fe元素和其他不可避免的杂质；其工艺步骤为：1)准备上述组分的原材料至加热炉进行加热；2)粗轧；3)精轧；4)卷取；5)开卷焊接；6)退火：7)破磷抛丸；8)酸洗：9)烘干。本发明具有能耗低、生产效率高、批次稳定、成材率高以及尺寸精度高等优点。

Description

一种825铁镍基合金热连轧板卷制备工艺
技术领域
本发明属于铁镍基合金板轧制技术领域，特别涉及一种825铁镍基合金热连轧板卷制备工艺。
背景技术
825铁镍基合金是一种添加Mo、Cu和钛的镍-铁-铬固溶强化镍基耐蚀合金，该合金是为在还原性和氧化性两种介质中使用而开发的，具有抗氯离子应力腐蚀开裂、抗点蚀、抗缝隙腐蚀和许多腐蚀性溶液的能力，还具有良好的耐硫酸、耐磷酸性，对各种酸液均有一定的耐蚀性；常见的825热轧板加工形式为单机架可逆轧机轧制(片式轧制)，相比较具有能耗高、同批次质量不稳定、成材率较低等缺点；
同时在板材轧制传输过程中往往会出现板材翘头的现象，翘头过高则会顶触其他机构，进而影响下一轧制机构的轧制，所以需要经板材翘头部分进行平整。
发明内容
本发明的目的是克服现有技术中不足，提供一种825铁镍基合金热连轧板卷制备工艺，具有能耗低、生产效率高、批次稳定、成材率高以及尺寸精度高等优点。
为了实现上述目的，本发明采用的技术方案是：
一种825铁镍基合金热连轧板卷制备工艺，化学成分重量百分比为C≤0.03％，Mn≤1.00％，Ni：38～46％，Mo≤4％,Si≤0.5％,Cr：19.5～23.5％,N：0.18～0.22％,Cu：1.5～3.0％,P≤0.03％,S≤0.01％,Al≤0.2％,Ti：0.6～1.2％,其余为Fe元素和其他不可避免的杂质；
其工艺步骤为：
1)准备上述组分的原材料至加热炉进行加热；其加热步骤依次分为预热段、加热一段、加热二段、均热段；板坯厚度为210-230mm；预热段，温度控制在600-700℃，加热时间为75-80min；预热完成后进入加热一段，温度控制在1120-1140℃，加热时间为40-55min；加热一段完成后进入加热二段，温度控制在1250-1290℃，加热时间为35-40min；加热段完成后进入均热段，温度控制在1260-1280℃，加热时间为35-45min；总在炉时间185-210min；
2)粗轧：加热后的毛坯经过传输辊传送至粗轧机，传送装置上设有相应的保温罩；进过粗轧机若干道次的粗轧后，中间坯厚度20-30mm；
3)精轧及翘头平整：经过传输进入精轧机构，精轧机构采用七道机架轧制；机架之间设有翘头平整装置对板材翘头部位进行平整；精轧开轧温度为1040-1060℃；精轧结束温度＞950℃；每道精轧机架压下率为分别为22-25％，24-28％，23-25％，21-24％，19-23％,15.5-17％，15-18％；
翘头平整装置固定在传输架上；翘头平整装置内设有转动机构、弧形板、压辊；所述转动机构包括转动辊Ⅰ、固定臂、转动辊Ⅱ；转动辊Ⅰ两端各设有一条转动辊Ⅱ；所述固定臂设有两组，并对称固定在转动辊Ⅰ两端，每组固定臂中设有若干固定臂并均匀固定在转动辊Ⅰ上；固定臂一端设有卡块，通过螺栓进行固定；固定臂内侧设有固定轴，固定轴上设有固定帽并通过螺栓相互固定；转动辊Ⅰ两端的转动辊Ⅱ穿过固定座Ⅱ和固定座Ⅰ并且两者通过轴承活动连接；固定座Ⅰ一端的转动辊Ⅱ上设有齿轮，通过链条与电机轴端齿轮连接；所述压辊两端设有转轴，压辊通过转轴和轴承活动连接固定臂一端，通过卡块将压辊和轴承固定；弧形板两端活动连接固定臂，并且弧形板位于压辊上方，弧形板上设有铲刀；卡块上设有插块与固定臂契合；
4)卷取：精轧后进入卷取机构进行卷取；
5)开卷：通过开卷机对板卷进行放卷：
6)焊接：通过焊接机构将相邻两组钢板进行焊接固定，便于钢板整体酸洗；
7)退火：通过退火机构对铁镍基合金板进行退火处理，然后进行水冷；
8)破磷抛丸；通过抛丸机对退火后的铁镍基合金板进行抛丸处理；
9)酸洗：通过酸洗机构对铁镍基合金板进行酸洗去除氧化皮；通过酸洗机构对铁镍基合金板进行酸洗去除氧化皮；酸洗工艺设有混酸一段，混酸二段；混酸一段HNO3浓度为45±5g/L，HF浓度为7±1g/L，金属离子＜35g/L，温度40±5℃；混酸二段HNO3浓度为65±5g/L，HF浓度＜1.0g/L，金属离子＜30g/L，温度30±5℃；
10)烘干：通过清洗机构对酸洗后的铁镍基合金板进行清洗，然后通过烘干***对铁镍基合金板进行烘干后再进行卷取处理。
本发明与现有技术相比较有益效果表现在：
1)本发明采用在热连轧生产线上生产825带卷，并且后续将带卷固溶酸洗，具有能耗低、生产效率高、批次稳定、成材率高以及尺寸精度高等优点，能够获得质量数据更优异的825热轧酸洗带卷。
2)轧制过程中使用翘头平整装置对板材翘头部分进行平整；通过高度控制机构控制转动机构的高度以符合平整板材翘头的高度要求，然后通过电机带动转动机构转动，进而带动压辊对板材翘头部分进行重复性转动平整。
附图说明
附图1是本发明一种825铁镍基合金热连轧板卷中翘头平整装置的结构示意图；
附图2是附图1中转动机构的结构示意图一；
附图3是附图1中转动机构的结构示意图二
图中：1、机架；2、传输架；3、电机；4、高度控制机构；5、转动机构；501、转动辊Ⅰ；502、固定臂；5021、卡块；50211、插块；5022、固定轴；50221、固定帽；503、转动辊Ⅱ；6、固定架；7、压辊；8、弧形板；9、镍基合金板。
具体实施方式
为方便本技术领域人员的理解，下面结合附图1-3，对本发明的技术方案进一步具体说明。
实施例1：
一种825铁镍基合金热连轧板卷制备工艺，化学成分重量百分比为C＝0.015％，Mn＝0.52％，Ni＝39.166％，Mo＝3.25％,Si＝0.40％,Cr＝20.45％,N＝0.192％,Cu＝2.0％,P＝0.022％,S＝0.003％,Al＝0.12％,Ti＝0.98％,其余为Fe元素和其他不可避免的杂质；
其工艺步骤为：
1)准备上述组分的原材料至加热炉进行加热；其加热步骤依次分为预热段、加热一段、加热二段、均热段；板坯厚度为220m；预热段，温度控制在645℃，加热时间为78min；预热完成后进入加热一段，温度控制在1125℃，加热时间为42min；加热一段完成后进入加热二段，温度控制在1285℃，加热时间为38min；加热段完成后进入均热段，温度控制在1270℃，加热时间为35min；总在炉时间193min；
2)粗轧：加热后的毛坯经过传输辊传送至粗轧机，传送装置上设有相应的保温罩；进过粗轧机若干道次的粗轧后，中间坯厚度24mm；
3)精轧及翘头平整：经过传输进入精轧机构，精轧机构采用七道机架轧制；机架之间设有翘头平整装置对板材翘头部位进行平整；精轧开轧温度为1055℃；精轧结束温度＝970℃；每道精轧机架压下率为分别为23％，27.8％，23.5％，23％，21.4％,16％，15.5％；
翘头平整装置固定在传输架2上；翘头平整装置内设有转动机构5、弧形板8、压辊7；所述转动机构5包括转动辊Ⅰ501、固定臂502、转动辊Ⅱ503；转动辊Ⅰ501两端各设有一条转动辊Ⅱ503；所述固定臂502设有两组，并对称固定在转动辊Ⅰ501两端，每组固定臂502中设有若干固定臂502并均匀固定在转动辊Ⅰ501上；固定臂502一端设有卡块5021，通过螺栓进行固定；固定臂502内侧设有固定轴5022，固定轴5022上设有固定帽50221并通过螺栓相互固定；转动辊Ⅰ501两端的转动辊Ⅱ503穿过固定座Ⅱ和固定座Ⅰ并且两者通过轴承活动连接；固定座Ⅰ一端的转动辊Ⅱ上设有齿轮，通过链条与电机3轴端齿轮连接；通过电机3提供动力带动转动辊Ⅰ501转动；所述压辊7两端设有转轴，压辊7通过转轴和轴承活动连接固定臂502一端，通过卡块5021将压辊7和轴承固定，同时卡块5021的使用便于压辊7的更换维护；弧形板8两端活动连接固定臂502，并且弧形板8位于压辊7上方，弧形板8上设有铲刀；卡块5021上设有插块50211与固定臂502契合，方便卡块5021的装卸。
当镍基合金板9经过机架1上的轧制机构轧制并在传输架2上传输时，镍基合金板9的端部会出现翘头现象，然后通过高度控制机构4控制固定架6上转动机构5的高度，再通过电机3带动转动机构5转动进而带动压辊7对翘头部分进行平整，然后通过弧形板8上的铲刀对压辊7上粘贴氧化皮等杂物进行铲除清理。
4)卷取：精轧后进入卷取机构进行卷取；
5)开卷：通过开卷机对板卷进行放卷：
6)焊接：通过焊接机构将相邻两组钢板进行焊接固定，便于钢板整体酸洗；
7)退火：通过退火机构对铁镍基合金板进行退火处理，然后进行水冷；
8)破磷抛丸；通过抛丸机对退火后的铁镍基合金板进行抛丸处理；
9)酸洗：通过酸洗机构对铁镍基合金板进行酸洗去除氧化皮；通过酸洗机构对铁镍基合金板进行酸洗去除氧化皮；酸洗工艺设有混酸一段，混酸二段；混酸一段HNO3浓度为46.2g/L，HF浓度为7.2g/L，金属离子为32g/L，温度38℃；混酸二段HNO3浓度为61.5g/L，HF浓度为0.8g/L，金属离子为24.5g/L，温度32.5℃；
10)烘干：通过清洗机构对酸洗后的铁镍基合金板进行清洗，然后通过烘干***对铁镍基合金板进行烘干后再进行卷取处理。
实施例2：
与实施例1相比较所不同的是：
步骤1)中预热段，温度控制在680℃，加热时间为75min；预热完成后进入加热一段，温度控制在1135℃，加热时间为40min；加热一段完成后进入加热二段，温度控制在1275℃，加热时间为35min；加热段完成后进入均热段，温度控制在1265℃，加热时间为38min；总在炉时间188min；
步骤3)中精轧：经过传输进入精轧机构，精轧机构采用七道机架轧制；精轧开轧温度为1045℃；精轧结束温度＝955℃；每道精轧机架压下率为分别为22.5％，28％，23.25％，22.5％，22％,16.2％，15.8％；
实施例3：
与实施例1相比较所不同的是：
步骤1)中预热段，温度控制在600-700℃，加热时间为73min；预热完成后进入加热一段，温度控制在1120-1140℃，加热时间为48.5min；加热一段完成后进入加热二段，温度控制在1250-1290℃，加热时间为37min；加热段完成后进入均热段，温度控制在1260-1280℃，加热时间为42min；总在炉时间200.5min；
步骤3)中精轧：经过传输进入精轧机构，精轧机构采用七道机架轧制；精轧开轧温度为1058℃；精轧结束温度＝968℃；每道精轧机架压下率为分别为23.35％，27.85％，24.2％，23.5％，20.55％,16.5％，16％；
依据GB/T2054-2013对实施例1、实施例2、实施例3进行力学性能检测，所得结果如表一所示：
表一：
实施例 抗拉强度Mpa 规定塑性延伸强度Mpa 断后伸长率％ 结论
1 624 346 42 合格
2 635 339 40.5 合格
3 628 351 43 合格
以上内容仅仅是对本发明的结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (2)

1.一种825铁镍基合金热连轧板卷制备工艺，其特征在于化学成分重量百分比为C≤0.03％，Mn≤1.00％，Ni：38～46％，Mo≤4％,Si≤0.5％,Cr：19.5～23.5％,N：0.18～0.22％,Cu：1.5～3.0％,P≤0.03％,S≤0.01％,Al≤0.2％,Ti：0.6～1.2％,其余为Fe元素和其他不可避免的杂质；
其工艺步骤为：
1)准备上述组分的原材料至加热炉进行加热；其加热步骤依次分为预热段、加热一段、加热二段、均热段；板坯厚度为210-230mm；预热段，温度控制在600-700℃，加热时间为75-80min；预热完成后进入加热一段，温度控制在1120-1140℃，加热时间为40-55min；加热一段完成后进入加热二段，温度控制在1250-1290℃，加热时间为35-40min；加热段完成后进入均热段，温度控制在1260-1280℃，加热时间为35-45min；总在炉时间185-210min；
2)粗轧：加热后的毛坯经过传输辊传送至粗轧机，传送装置上设有相应的保温罩；进过粗轧机若干道次的粗轧后，中间坯厚度20-30mm；
3)精轧及翘头平整：经过传输进入精轧机构，精轧机构采用七道机架轧制；机架之间设有翘头平整装置对板材翘头部位进行平整；精轧开轧温度为1040-1060℃；精轧结束温度＞950℃；每道精轧机架压下率为分别为22-25％，24-28％，23-25％，21-24％，19-23％,15.5-17％，15-18％；
4)卷取：精轧后进入卷取机构进行卷取；
5)开卷：通过开卷机对板卷进行放卷：
6)焊接：通过焊接机构将相邻两组钢板进行焊接固定，便于钢板整体酸洗；
7)退火：通过退火机构对铁镍基合金板进行退火处理，然后进行水冷；
8)破磷抛丸；通过抛丸机对退火后的铁镍基合金板进行抛丸处理；
9)酸洗：通过酸洗机构对铁镍基合金板进行酸洗去除氧化皮，酸洗工艺设有混酸一段，混酸二段；
10)烘干：通过清洗机构对酸洗后的铁镍基合金板进行清洗，然后通过烘干***对铁镍基合金板进行烘干后再进行卷取处理；
所述翘头平整装置固定在传输架上；翘头平整装置内设有转动机构、弧形板、压辊；所述转动机构包括转动辊Ⅰ、固定臂、转动辊Ⅱ；转动辊Ⅰ两端各设有一条转动辊Ⅱ；所述固定臂设有两组，并对称固定在转动辊Ⅰ两端，每组固定臂中设有若干固定臂并均匀固定在转动辊Ⅰ上；固定臂一端设有卡块，通过螺栓进行固定；固定臂内侧设有固定轴，固定轴上设有固定帽并通过螺栓相互固定；转动辊Ⅰ两端的转动辊Ⅱ穿过固定座Ⅱ和固定座Ⅰ并且两者通过轴承活动连接；固定座Ⅰ一端的转动辊Ⅱ上设有齿轮，通过链条与电机轴端齿轮连接；所述压辊两端设有转轴，压辊通过转轴和轴承活动连接固定臂一端，通过卡块将压辊和轴承固定；弧形板两端活动连接固定臂，并且弧形板位于压辊上方，弧形板上设有铲刀；卡块上设有插块与固定臂契合。
2.根据权利要求1所述的一种825铁镍基合金热连轧板卷制备工艺，其特征在于步骤9)中混酸一段HNO3浓度为45±5g/L，HF浓度为7±1g/L，金属离子＜35g/L，温度40±5℃；混酸二段HNO3浓度为65±5g/L，HF浓度＜1.0g/L，金属离子＜30g/L，温度30±5℃。
CN202110911986.8A 2021-08-10 2021-08-10 一种825铁镍基合金热连轧板卷制备工艺 Active CN113621888B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110911986.8A CN113621888B (zh) 2021-08-10 2021-08-10 一种825铁镍基合金热连轧板卷制备工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110911986.8A CN113621888B (zh) 2021-08-10 2021-08-10 一种825铁镍基合金热连轧板卷制备工艺

Publications (2)

Publication Number Publication Date
CN113621888A CN113621888A (zh) 2021-11-09
CN113621888B true CN113621888B (zh) 2022-02-25

Family

ID=78383864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110911986.8A Active CN113621888B (zh) 2021-08-10 2021-08-10 一种825铁镍基合金热连轧板卷制备工艺

Country Status (1)

Country Link
CN (1) CN113621888B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115889454B (zh) * 2022-05-09 2024-01-30 湖南湘投金天钛金属股份有限公司 一种纯镍热轧带卷及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104525611A (zh) * 2014-11-29 2015-04-22 首钢总公司 一种镍铬合金与碳钢复合板及其生产方法
JP2015196838A (ja) * 2014-03-31 2015-11-09 Ｄｏｗａメタルテック株式会社 Ｆｅ−Ｎｉ合金材の製造方法、軟磁性部品の製造方法、Ｆｅ−Ｎｉ合金及び軟磁性部品材料
CN109694989A (zh) * 2017-10-20 2019-04-30 鞍钢股份有限公司 一种825/x70镍基合金复合板及其生产方法
CN111715701A (zh) * 2019-03-19 2020-09-29 宝山钢铁股份有限公司 一种用于带钢粗轧轧制过程中的压翘头装置及方法
CN112872029A (zh) * 2020-12-29 2021-06-01 山东盛阳金属科技股份有限公司 一种基于纯镍板加热后的轧制方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080102309A1 (en) * 2006-10-27 2008-05-01 Tuffile Charles D Heating element sheaths

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015196838A (ja) * 2014-03-31 2015-11-09 Ｄｏｗａメタルテック株式会社 Ｆｅ−Ｎｉ合金材の製造方法、軟磁性部品の製造方法、Ｆｅ−Ｎｉ合金及び軟磁性部品材料
CN104525611A (zh) * 2014-11-29 2015-04-22 首钢总公司 一种镍铬合金与碳钢复合板及其生产方法
CN109694989A (zh) * 2017-10-20 2019-04-30 鞍钢股份有限公司 一种825/x70镍基合金复合板及其生产方法
CN111715701A (zh) * 2019-03-19 2020-09-29 宝山钢铁股份有限公司 一种用于带钢粗轧轧制过程中的压翘头装置及方法
CN112872029A (zh) * 2020-12-29 2021-06-01 山东盛阳金属科技股份有限公司 一种基于纯镍板加热后的轧制方法

Also Published As

Publication number Publication date
CN113621888A (zh) 2021-11-09

Similar Documents

Publication Publication Date Title
CN111676355B (zh) 一种奥氏体不锈钢板材在线固溶处理工艺
CN112718864B (zh) 一种改善核电板式换热器用钛带卷深冲性能的生产方法
CN112775202B (zh) 一种锆或锆合金轧制型材的制备方法
CN112813369B (zh) 一种高强高弹高塑性镍基高温合金带材及其制备工艺
CN101322977A (zh) 成卷轧制冷轧工业纯钛板卷
CN110681698A (zh) 一种38MnS6L非调质钢轧制工艺
CN109468561A (zh) 一种gh3625合金带材的制备方法
CN114737132A (zh) 一种n06600铁镍基合金热连轧板卷生产工艺
CN113621888B (zh) 一种825铁镍基合金热连轧板卷制备工艺
CN113617862A (zh) 一种ta18钛合金热连轧板卷及其酸洗工艺
CN114015847A (zh) 采用控轧控冷工艺生产一种直接切削用45钢的方法
CN113549743B (zh) 一种控制高碳铁素体不锈钢特厚板晶粒度的方法
CN117339999A (zh) 一种中厚板不锈钢的热轧―在线固溶―在线酸洗一体化工艺及产线
CN113560343A (zh) 一种控制低碳奥氏体不锈钢特厚板晶粒度的方法
CN109321730B (zh) 一种家用电机转定子用的热轧窄带钢及其制备方法和应用
CN113699456B (zh) 一种254SMo超级奥氏体不锈钢热连轧板卷生产工艺
RU2445399C1 (ru) Способ изготовления плоского профиля из гафния
CN111974812B (zh) 一种特厚钢板的生产方法
CN110860558B (zh) 一种超宽特厚钢质安全壳核电用钢的轧制方法
CN111097797B (zh) 一种合金钢棒材的光亮材制造***及方法
CN113584401A (zh) 一种310s耐热钢热连轧板卷及其加工工艺
CN113604752B (zh) 一种840Mo铁镍基合金热连轧板卷生产工艺
CN111389918A (zh) 一种镁合金板材的轧制加工方法
CN114525391B (zh) 一种高碳工具钢冷轧卷板的生产工艺
CN113584400B (zh) 一种带有花纹的304不锈钢及其轧制方法

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
GR01 Patent grant
GR01 Patent grant