CN113755764A - 一种基于晶体优化的抗震螺纹钢筋及其生产工艺 - Google Patents

一种基于晶体优化的抗震螺纹钢筋及其生产工艺 Download PDF

Info

Publication number
CN113755764A
CN113755764A CN202110873854.0A CN202110873854A CN113755764A CN 113755764 A CN113755764 A CN 113755764A CN 202110873854 A CN202110873854 A CN 202110873854A CN 113755764 A CN113755764 A CN 113755764A
Authority
CN
China
Prior art keywords
percent
seismic
production process
qtb
raw materials
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
Application number
CN202110873854.0A
Other languages
English (en)
Inventor
王斌
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.)
Jiangsu Hongtai Steel Co ltd
Original Assignee
Jiangsu Hongtai Steel 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 Jiangsu Hongtai Steel Co ltd filed Critical Jiangsu Hongtai Steel Co ltd
Priority to CN202110873854.0A priority Critical patent/CN113755764A/zh
Publication of CN113755764A publication Critical patent/CN113755764A/zh
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/16Metal-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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/46Metal-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 metal immediately subsequent to continuous casting
    • B21B1/463Metal-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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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)
  • Manufacturing & Machinery (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

本发明公开了一种基于晶体优化的抗震螺纹钢筋及其生产工艺,钢筋材料配比为:C:0.26~0.36%、Si:1.5~1.7%、Mn:0.7~1.0%、V:0.08~0.15%、P≤0.045%、S≤0.045%、铌+钛小于0.10%、余量为Fe;所述的百分比为质量百分比,本发明采用QTB穿水处理技术,使得钢筋的屈服强度和可延伸性更强,大大提高了钢筋的抗拉强度,同时起到抗震的效果,本发明优化了钢筋原料组分,使得其力学性能更加稳定,生产工序简单,操作方便,适合大范围推广、使用。

Description

一种基于晶体优化的抗震螺纹钢筋及其生产工艺
技术领域
本发明涉及一种基于晶体优化的抗震螺纹钢筋及其生产工艺。
背景技术
钢筋混凝土用热轧带助钢筋是国内外各类建筑工程中广泛使用的一种关键材料,也是我国冶金行业各钢厂大量生产的一种关键产品。随着建筑行业的快速发展,对该产品提出了更高的质量标准,要求其性能既具有高强度又具有良好的可塑性,可焊接性,耐疲劳及粘结性等指标,才能够满足高层建筑、大跨度、抗震、耐低温等高档建筑工程的需要,同时还可达到节约钢材,降低成本的目的。
发明内容
本发明的目的是为了解决以上现有技术的不足,提供由以下重量份数的组分组成:C:0.26~0.36%、Si:1.5~1.7%、Mn:0.7~1.0%、V:0.08~0.15%、P≤ 0.045%、S≤0.045%、铌+钛小于0.10%、余量为Fe;所述的百分比为质量百分比。
一种基于晶体优化的抗震螺纹钢筋的生产工艺,包括以下步骤:
(1)原料除杂工序:对所需的原料进行过滤、除杂;
(2)原料准备:所述原料进行连续铸钢,制成方胚;
(3)加热工序:将方胚放入加热炉进行加热;
(4)粗轧:采用多个粗轧机进行多次粗轧;
(5)精轧:采用对个精轧机进行多次精轧;
(6)QTB穿水处理:对精轧后的胚料进行QTB穿水处理;
(7)冷床处理:进行QTB穿水处理后上冷床自然冷却、定尺、检验、入库。
作为进一步改进,步骤6中的QTB穿水处理采用冷却器5~15个;冷却水总流量为550~970m3/h;冷却时间为0.5~4.55S;自回火温度为:550~580℃。
作为进一步改进,步骤4中的精轧机为6个。
作为进一步改进,步骤5中的粗轧机为4个
作为进一步改进,步骤3中的加热炉为蓄热式步进梁加热炉,所述的加热炉的加热燃料为高炉煤气。
有益效果:
本发明采用QTB穿水处理技术,使得钢筋的屈服强度和可延伸性更强,大大提高了钢筋的抗拉强度,同时起到抗震的效果,本发明优化了钢筋原料组分,使得其力学性能更加稳定,生产工序简单,操作方便,适合大范围推广、使用。
具体实施方式
为了加深对本发明的理解,下面将结合实施例对本发明作进一步详述,该实施例仅用于解释本发明,并不构成对本发明保护范围的限定。
实施例1:
晶体优化的抗震螺纹钢筋,由以下重量份数的组分组成:C:0.26~0.36%、 Si:1.5~1.7%、Mn:0.7~1.0%、V:0.08~0.15%、P≤0.045%、S≤0.045%、铌+ 钛小于0.10%、余量为Fe;所述的百分比为质量百分比。
上述适用于晶体优化的抗震螺纹钢筋及其生产工艺,包括以下步骤:
(1)原料除杂工序:对所需的原料进行过滤、除杂;
(2)原料准备:所述原料进行连续铸钢,制成方胚,钢筋原料组分,使得其力学性能更加稳定,生产工序简单,操作方便,适合大范围推广、使用;
(3)加热工序:将方胚放入加热炉进行加热,加热炉为蓄热式步进梁加热炉,所述的加热炉的加热燃料为高炉煤气;
(4)粗轧:采用多个粗轧机进行多次粗轧,粗轧机为4个;
(5)精轧:采用对个精轧机进行多次精轧,精轧机为6个;
(6)QTB穿水处理:对精轧后的胚料进行QTB穿水处理;
(7)冷床处理:进行QTB穿水处理后上冷床自然冷却、定尺、检验、入库。 QTB穿水处理采用冷却器5~15个;冷却水总流量为570m3/h;冷却时间为2.5S;自回火温度为:555℃,使得钢筋的屈服强度和可延伸性更强,大大提高了钢筋的抗拉强度,同时起到抗震的效果。
实施例2:
晶体优化的抗震螺纹钢筋,由以下重量份数的组分组成:C:0.26~0.36%、Si:1.5~1.7%、Mn:0.7~1.0%、V:0.08~0.15%、P≤0.045%、S≤0.045%、铌+钛小于0.10%、余量为Fe;所述的百分比为质量百分比。
上述适用于晶体优化的抗震螺纹钢筋及其生产工艺,包括以下步骤:
(1)原料除杂工序:对所需的原料进行过滤、除杂;
(2)原料准备:所述原料进行连续铸钢,制成方胚,钢筋原料组分,使得其力学性能更加稳定,生产工序简单,操作方便,适合大范围推广、使用;
(3)加热工序:将方胚放入加热炉进行加热,加热炉为蓄热式步进梁加热炉,所述的加热炉的加热燃料为高炉煤气;
(4)粗轧:采用多个粗轧机进行多次粗轧,粗轧机为4个;
(5)精轧:采用对个精轧机进行多次精轧,精轧机为6个;
(6)QTB穿水处理:对精轧后的胚料进行QTB穿水处理;
(7)冷床处理:进行QTB穿水处理后上冷床自然冷却、定尺、检验、入库。 QTB穿水处理采用冷却器5~15个;冷却水总流量为580m3/h;冷却时间为3.5S;自回火温度为:580℃,使得钢筋的屈服强度和可延伸性更强,大大提高了钢筋的抗拉强度,同时起到抗震的效果。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (6)

1.一种基于晶体优化的抗震螺纹钢筋,其特征在于,钢筋材料配比为:C:0.26~0.36%、Si:1.5~1.7%、Mn:0.7~1.0%、V:0.08~0.15%、P≤0.045%、S≤0.045%、铌+钛小于0.10%、余量为Fe;所述的百分比为质量百分比。
2.如权利要求1所述的一种基于晶体优化的抗震螺纹钢筋的生产工艺,其特征在于,包括以下步骤:
(1)原料除杂工序:对所需的原料进行过滤、除杂;
(2)原料准备:所述原料进行连续铸钢,制成方胚;
(3)加热工序:将方胚放入加热炉进行加热;
(4)粗轧:采用多个粗轧机进行多次粗轧;
(5)精轧:采用对个精轧机进行多次精轧;
(6)QTB穿水处理:对精轧后的胚料进行QTB穿水处理;
(7)冷床处理:进行QTB穿水处理后上冷床自然冷却、定尺、检验、入库。
3.根据权利要求2所述的一种基于晶体优化的抗震螺纹钢筋的生产工艺,其特征在于,步骤6中的QTB穿水处理采用冷却器5~15个;冷却水总流量为550~970m3/h;冷却时间为0.5~4.55S;自回火温度为:550~580℃。
4.根据权利要求2所述的一种基于晶体优化的抗震螺纹钢筋的生产工艺,其特征在于,步骤4中的精轧机为6个。
5.根据权利要求2所述的一种基于晶体优化的抗震螺纹钢筋的生产工艺,其特征在于,步骤5中的粗轧机为4个。
6.根据权利要求2所述的一种基于晶体优化的抗震螺纹钢筋的生产工艺,其特征在于,步骤3中的加热炉为蓄热式步进梁加热炉,所述的加热炉的加热燃料为高炉煤气。
CN202110873854.0A 2021-07-30 2021-07-30 一种基于晶体优化的抗震螺纹钢筋及其生产工艺 Pending CN113755764A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110873854.0A CN113755764A (zh) 2021-07-30 2021-07-30 一种基于晶体优化的抗震螺纹钢筋及其生产工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110873854.0A CN113755764A (zh) 2021-07-30 2021-07-30 一种基于晶体优化的抗震螺纹钢筋及其生产工艺

Publications (1)

Publication Number Publication Date
CN113755764A true CN113755764A (zh) 2021-12-07

Family

ID=78788278

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110873854.0A Pending CN113755764A (zh) 2021-07-30 2021-07-30 一种基于晶体优化的抗震螺纹钢筋及其生产工艺

Country Status (1)

Country Link
CN (1) CN113755764A (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04329827A (ja) * 1991-05-01 1992-11-18 Kobe Steel Ltd 鉄筋コンクリート用棒鋼の製造方法
CN1769510A (zh) * 2004-11-05 2006-05-10 马鞍山钢铁股份有限公司 高强度抗震热轧钢筋用钢
CN101275197A (zh) * 2007-07-19 2008-10-01 天津钢铁有限公司 一种高强度螺纹钢筋及其制备工艺
CN101327491A (zh) * 2007-06-18 2008-12-24 首钢总公司 高强度精轧螺纹钢筋的生产方法
CN111172459A (zh) * 2020-01-19 2020-05-19 江苏省沙钢钢铁研究院有限公司 一种hrb600e钒钛微合金化高强抗震热轧钢筋

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04329827A (ja) * 1991-05-01 1992-11-18 Kobe Steel Ltd 鉄筋コンクリート用棒鋼の製造方法
CN1769510A (zh) * 2004-11-05 2006-05-10 马鞍山钢铁股份有限公司 高强度抗震热轧钢筋用钢
CN101327491A (zh) * 2007-06-18 2008-12-24 首钢总公司 高强度精轧螺纹钢筋的生产方法
CN101275197A (zh) * 2007-07-19 2008-10-01 天津钢铁有限公司 一种高强度螺纹钢筋及其制备工艺
CN111172459A (zh) * 2020-01-19 2020-05-19 江苏省沙钢钢铁研究院有限公司 一种hrb600e钒钛微合金化高强抗震热轧钢筋

Similar Documents

Publication Publication Date Title
CN111455287B (zh) 一种500MPa级低屈强比耐候桥梁钢及其制造方法
CN112080687B (zh) 一种细晶粒高碳钢及其轧制生产方法
CN1858284A (zh) 超细晶非调钢盘条及其生产方法
CN113957336B (zh) 一种低成本高韧性Q460qNHD钢板生产方法
CN106756618A (zh) 100mm厚Q420GJCD控轧态高强度结构用钢板
WO2022227891A1 (zh) 一种大规格直接切削用非调质钢的制备方法
CN110935827A (zh) 一种较大规格细晶奥氏体气阀钢SNCrW的锻造方法
CN113802063A (zh) 一种中高碳免调质冷镦钢盘条的生产方法
CN112239830A (zh) 一种低成本高延性crb600h用圆盘条及其轧制工艺
CN114411061B (zh) 一种高强度抗震钢筋及其制备方法
CN112143948A (zh) 一种高性能AlMgSi合金型材及其制备方法
CN1240497C (zh) 直接拉拔用高碳铬轴承钢线材及制造方法
CN115094315A (zh) 一种经济型铌铬强化420MPa级桥梁钢板及其生产方法
CN1238548C (zh) 一种屈服强度460MPa级低合金高强度结构钢板材的制造方法
CN110257705B (zh) 一种不易脆断的预应力混凝土钢棒用钢及其生产方法
CN113151711A (zh) 一种新型低成本高强高塑性钛合金
CN113755764A (zh) 一种基于晶体优化的抗震螺纹钢筋及其生产工艺
CN112210714A (zh) 屈服强度650MPa级以上高强度抗震钢筋及生产方法
CN110846562A (zh) 一种含铌抗震钢筋及其制备方法
CN101921954A (zh) 抗震热轧带肋钢筋及其生产工艺
CN113930658B (zh) 一种小型低合金q355b角钢的生产工艺
CN115354222A (zh) 一种厚规格高强耐候抗震h型钢及其轧制方法
CN213256297U (zh) 一种改进的精轧螺纹钢筋水冷装置
CN106350735A (zh) 厚规格q450nqr1钢板及其粗轧方法
CN112458363A (zh) 一种摩擦型高强度螺栓用含硼钢及其生产方法

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211207