CN115094325A - 一种电梯面板用超纯铁素体不锈钢及其制造方法 - Google Patents
一种电梯面板用超纯铁素体不锈钢及其制造方法 Download PDFInfo
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Abstract
本发明涉及一种电梯面板用超纯铁素体不锈钢及其制造方法,钢中化学成分按质量百分比计为:C≤0.025%,Si≤1.00%,Mn≤1.00%,P≤0.030%,S≤0.030%,Cr20.5%~23.0%,Cu0.30%~0.80%,N≤0.025%,8×(C+N)≤(Ti+Nb)≤0.80%,余量为Fe和不可避免的杂质元素。本发明能够降低超纯铁素体不锈钢No.1产品的粗糙度,减轻超纯铁素体不锈钢2BA表面砂眼缺陷的程度,提高超纯铁素体不锈钢2BA表面产品的表面质量,满足电梯面板、装饰面板等外观装饰产品的使用要求。
Description
技术领域
本发明涉及不锈钢生产技术领域,尤其涉及一种电梯面板用超纯铁素体不锈钢。
背景技术
超纯铁素体不锈钢属于铁素体不锈钢的一种,其C和N元素的含量极低(C和N元素质量分数之和一般不超过0.015%),且具有中高Cr质量分数。超纯铁素体不锈钢的耐蚀性、焊接性能、韧性等显著高于普通铁素体不锈钢,其作为节镍经济型不锈钢,被广泛运用于轻工、家用器械、建筑装饰和汽车制造等领域。但是,采用现有生产工艺生产的超纯铁素体不锈钢,2BA表面(表面亮度介于2B和BA之间)产品的砂眼缺陷程度较严重,抛砂后表面呈现闪光亮点,不适合用于生产电梯面板、装饰面板等外观装饰产品。
发明内容
本发明提供了一种电梯面板用超纯铁素体不锈钢及其制造方法,能够降低超纯铁素体不锈钢No.1产品的粗糙度,减轻超纯铁素体不锈钢2BA表面砂眼缺陷的程度,提高超纯铁素体不锈钢2BA表面产品的表面质量,满足电梯面板、装饰面板等外观装饰产品的使用要求。
为了达到上述目的,本发明采用以下技术方案实现:
一种电梯面板用超纯铁素体不锈钢,钢中化学成分按质量百分比计为:C≤0.025%,Si≤1.00%,Mn≤1.00%,P≤0.030%,S≤0.030%,Cr 20.5%~23.0%,Cu0.30%~0.80%,N≤0.025%,8×(C+N)≤(Ti+Nb)≤0.80%,余量为Fe和不可避免的杂质元素。
一种电梯面板用超纯铁素体不锈钢的制造方法,包括如下步骤:
1)通过炼钢冶炼、连铸浇铸、热轧轧延后得到黑皮钢卷;
2)黑皮钢卷经过固溶、喷砂、重刷、酸洗加工,其中重刷时使用2组重刷刷辊刷洗钢带表面,得到表面粗糙度Ra≤3.5μm的No.1钢卷;
3)No.1钢卷经过冷变形轧延加工,得到硬态板钢卷;
4)硬态板钢卷经碱洗、无氧退火处理;无氧退火时,通过氢气传热将钢带从室温快速加热到700~900℃,加热时间t≤10min,然后风冷至室温,冷却时间≤5min;
5)对无氧退火后的不锈钢钢带进行调质轧延加工,得到2BA表面的不锈钢产品。
所述步骤2)中,固溶处理过程为:将黑皮钢卷开卷后的钢带加热至1050~1100℃,加热时间t≤5min,然后立即水冷至室温,冷却时间≤3min。
与现有技术相比,本发明的有益效果是:
1)黑皮钢卷经过固溶、喷砂后,使用2组重刷刷辊刷洗钢带表面,为酸洗后得到表面粗糙度较低(Ra≤3.5μm)的No.1钢卷提供保证;
2)经过重刷刷洗后的NO.1钢卷,再经过冷轧、光亮退火、调质轧延得到2BA表面钢带产品,表面砂眼缺陷程度很轻微,抛砂后基本没有闪光亮点,能够满足电梯面板、装饰面板等的用料要求。
具体实施方式
本发明所述一种电梯面板用超纯铁素体不锈钢,钢中化学成分按质量百分比计为:C≤0.025%,Si≤1.00%,Mn≤1.00%,P≤0.030%,S≤0.030%,Cr 20.5%~23.0%,Cu 0.30%~0.80%,N≤0.025%,8×(C+N)≤(Ti+Nb)≤0.80%,余量为Fe和不可避免的杂质元素。
一种电梯面板用超纯铁素体不锈钢的制造方法,包括如下步骤:
1)通过炼钢冶炼、连铸浇铸、热轧轧延后得到黑皮钢卷;
2)黑皮钢卷经过固溶、喷砂、重刷、酸洗加工,其中重刷时使用2组重刷刷辊刷洗钢带表面,得到表面粗糙度Ra≤3.5μm的No.1钢卷;
3)No.1钢卷经过冷变形轧延加工,得到硬态板钢卷;
4)硬态板钢卷经碱洗、无氧退火处理;无氧退火时,通过氢气传热将钢带从室温快速加热到700~900℃,加热时间t≤10min,然后风冷至室温,冷却时间≤5min;
5)对无氧退火后的不锈钢钢带进行调质轧延加工,得到2BA表面的不锈钢产品。
所述步骤2)中,固溶处理过程为:将黑皮钢卷开卷后的钢带加热至1050~1100℃,加热时间t≤5min,然后立即水冷至室温,冷却时间≤3min。
超纯铁素体不锈钢采用常规生产工艺生产时,黑皮钢卷在固溶、喷砂后,表面粗糙度较高,在无氧退火后表面易出现砂眼的缺陷,导致后续抛砂加工后呈现闪光亮点的表面,不符合电梯面板、装饰板等对材料的要求。通过本发明所述制造方法得到的超纯铁素体不锈钢,具有单相铁素体的组织,表面为2BA产品,钢带表面砂眼缺陷较轻,能够满足电梯面板抛砂后的使用要求。
以下实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。下述实施例中所用方法如无特别说明均为常规方法。
【实施例】
本实施例中,电梯面板用超纯铁素体不锈钢的主要化学成分如表1所示。
表1钢中主要化学成分(质量百分比,%)
实施例 | C | Si | Mn | P | S | Cr | Cu | N | Ti+Nb | Fe |
1 | 0.017 | 0.24 | 0.36 | 0.024 | 0.006 | 22.7 | 0.52 | 0.016 | 0.38 | 余量 |
2 | 0.021 | 0.35 | 0.71 | 0.007 | 0.014 | 21.8 | 0.77 | 0.021 | 0.54 | 余量 |
3 | 0.014 | 0.09 | 0.22 | 0.015 | 0.019 | 21.2 | 0.69 | 0.008 | 0.27 | 余量 |
4 | 0.019 | 0.54 | 0.90 | 0.004 | 0.003 | 20.9 | 0.41 | 0.014 | 0.49 | 余量 |
5 | 0.023 | 0.68 | 0.55 | 0.016 | 0.027 | 22.6 | 0.36 | 0.004 | 0.37 | 余量 |
6 | 0.009 | 0.28 | 0.83 | 0.008 | 0.011 | 22.4 | 0.57 | 0.016 | 0.41 | 余量 |
本实施例中,电梯面板用超纯铁素体不锈钢的制造方法如下:
1)通过炼钢冶炼、连铸浇铸、热轧轧延后得到黑皮钢卷;
2)黑皮钢卷经过固溶、喷砂、重刷、酸洗加工,其中重刷时使用2组重刷刷辊刷洗钢带表面,得到表面粗糙度Ra≤3.5μm的No.1钢卷;固溶处理过程为:将黑皮钢卷开卷后的钢带加热至1050~1100℃,加热时间t≤5min,然后立即水冷至室温,冷却时间≤3min;
3)No.1钢卷经过冷变形轧延加工,得到硬态板钢卷;
4)硬态板钢卷经碱洗、无氧退火处理;无氧退火时,通过氢气传热将钢带从室温快速加热到700~900℃,加热时间t≤10min,然后风冷至室温,冷却时间≤5min;
5)对无氧退火后的不锈钢钢带进行调质轧延加工,得到2BA表面的不锈钢产品。
黑皮钢卷固溶过程工艺参数如表2所示。
表2黑皮钢卷固溶过程工艺参数
实施例 | 钢带加热温度,℃ | 加热时间,min | 冷却时间,min |
1 | 1088 | 2.4 | 1.1 |
2 | 1069 | 3.0 | 1.4 |
3 | 1054 | 3.5 | 2.6 |
4 | 1057 | 3.8 | 1.8 |
5 | 1074 | 2.5 | 2.2 |
6 | 1062 | 4.0 | 1.9 |
无氧退火过程工艺参数如表3所示。
表3无氧退火过程工艺参数
实施例 | 钢带加热温度,℃ | 加热时间,min | 冷却时间,min |
1 | 785 | 3.3 | 1.9 |
2 | 810 | 4.8 | 2.7 |
3 | 840 | 7.2 | 4.3 |
4 | 740 | 5.7 | 3.3 |
5 | 865 | 1.3 | 0.8 |
6 | 805 | 2.6 | 1.5 |
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (3)
1.一种电梯面板用超纯铁素体不锈钢,其特征在于,钢中化学成分按质量百分比计为:C≤0.025%,Si≤1.00%,Mn≤1.00%,P≤0.030%,S≤0.030%,Cr 20.5%~23.0%,Cu0.30%~0.80%,N≤0.025%,8×(C+N)≤(Ti+Nb)≤0.80%,余量为Fe和不可避免的杂质元素。
2.如权利要求1所述一种电梯面板用超纯铁素体不锈钢的制造方法,其特征在于,包括如下步骤:
1)通过炼钢冶炼、连铸浇铸、热轧轧延后得到黑皮钢卷;
2)黑皮钢卷经过固溶、喷砂、重刷、酸洗加工,其中重刷时使用2组重刷刷辊刷洗钢带表面,得到表面粗糙度Ra≤3.5μm的No.1钢卷;
3)No.1钢卷经过冷变形轧延加工,得到硬态板钢卷;
4)硬态板钢卷经碱洗、无氧退火处理;无氧退火时,通过氢气传热将钢带从室温快速加热到700~900℃,加热时间t≤10min,然后风冷至室温,冷却时间≤5min;
5)对无氧退火后的不锈钢钢带进行调质轧延加工,得到2BA表面的不锈钢产品。
3.如权利要求2所述一种电梯面板用超纯铁素体不锈钢的制造方法,其特征在于,所述步骤2)中,固溶处理过程为:将黑皮钢卷开卷后的钢带加热至1050~1100℃,加热时间t≤5min,然后立即水冷至室温,冷却时间≤3min。
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102796960A (zh) * | 2011-05-25 | 2012-11-28 | 宝山钢铁股份有限公司 | 一种具有优良塑性和表面质量的铁素体不锈钢及其制造方法 |
CN108315651A (zh) * | 2018-04-11 | 2018-07-24 | 山西太钢不锈钢股份有限公司 | 超纯铁素体不锈钢冷轧带钢连续冷轧退火酸洗方法 |
CN110373604A (zh) * | 2018-04-13 | 2019-10-25 | 宝钢德盛不锈钢有限公司 | 一种具有优良表面质量的超纯中铬铁素体不锈钢及其制造方法 |
CN110819877A (zh) * | 2019-10-18 | 2020-02-21 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种采用炉卷轧机生产装饰用超纯铁素体不锈钢的方法 |
CN113201636A (zh) * | 2021-04-21 | 2021-08-03 | 鞍钢联众(广州)不锈钢有限公司 | 一种连续轧延退火生产超纯铁素体不锈钢的方法 |
CN114058972A (zh) * | 2021-11-09 | 2022-02-18 | 鞍钢联众(广州)不锈钢有限公司 | 一种高深冲性超纯铁素体不锈钢及其制造方法 |
CN114058958A (zh) * | 2021-11-09 | 2022-02-18 | 鞍钢联众(广州)不锈钢有限公司 | 一种高成型性超纯铁素体不锈钢及其连轧生产方法 |
CN114082782A (zh) * | 2021-11-20 | 2022-02-25 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种443超纯铁素体不锈钢防起皱冷轧方法 |
CN114107808A (zh) * | 2021-11-09 | 2022-03-01 | 鞍钢联众(广州)不锈钢有限公司 | 一种商用车排气管用超纯铁素体不锈钢及其制造方法 |
CN114107622A (zh) * | 2021-11-23 | 2022-03-01 | 鞍钢联众(广州)不锈钢有限公司 | 一种冷轧节镍型奥氏体不锈钢8k镜面的生产方法 |
-
2022
- 2022-07-05 CN CN202210783971.2A patent/CN115094325A/zh active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102796960A (zh) * | 2011-05-25 | 2012-11-28 | 宝山钢铁股份有限公司 | 一种具有优良塑性和表面质量的铁素体不锈钢及其制造方法 |
CN108315651A (zh) * | 2018-04-11 | 2018-07-24 | 山西太钢不锈钢股份有限公司 | 超纯铁素体不锈钢冷轧带钢连续冷轧退火酸洗方法 |
CN110373604A (zh) * | 2018-04-13 | 2019-10-25 | 宝钢德盛不锈钢有限公司 | 一种具有优良表面质量的超纯中铬铁素体不锈钢及其制造方法 |
CN110819877A (zh) * | 2019-10-18 | 2020-02-21 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种采用炉卷轧机生产装饰用超纯铁素体不锈钢的方法 |
CN113201636A (zh) * | 2021-04-21 | 2021-08-03 | 鞍钢联众(广州)不锈钢有限公司 | 一种连续轧延退火生产超纯铁素体不锈钢的方法 |
CN114058972A (zh) * | 2021-11-09 | 2022-02-18 | 鞍钢联众(广州)不锈钢有限公司 | 一种高深冲性超纯铁素体不锈钢及其制造方法 |
CN114058958A (zh) * | 2021-11-09 | 2022-02-18 | 鞍钢联众(广州)不锈钢有限公司 | 一种高成型性超纯铁素体不锈钢及其连轧生产方法 |
CN114107808A (zh) * | 2021-11-09 | 2022-03-01 | 鞍钢联众(广州)不锈钢有限公司 | 一种商用车排气管用超纯铁素体不锈钢及其制造方法 |
CN114082782A (zh) * | 2021-11-20 | 2022-02-25 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种443超纯铁素体不锈钢防起皱冷轧方法 |
CN114107622A (zh) * | 2021-11-23 | 2022-03-01 | 鞍钢联众(广州)不锈钢有限公司 | 一种冷轧节镍型奥氏体不锈钢8k镜面的生产方法 |
Non-Patent Citations (1)
Title |
---|
李锋;: "400系热轧铁素体不锈钢酸洗技术" * |
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