CN114774762A - 一种良好低倍质量h13热作模具钢棒材生产方法 - Google Patents
一种良好低倍质量h13热作模具钢棒材生产方法 Download PDFInfo
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Abstract
本发明提供了一种良好低倍质量H13热作模具钢棒材生产方法,包括如下步骤:钢水冶炼、钢坯连铸、棒材轧制、热处理、矫直修磨,其中棒材轧制步骤中,在轧制前,先将钢坯送入加热炉加热,其中钢坯入炉前表面温度500~600℃,加热炉内分四段加热,依次为预热段温度≤700℃,加热一段温度800~1100℃,加热二段温度1130~1180℃,均热段温度1160~1250℃,最后出炉温度控制在1070~1250℃。本发明H13热作模具钢棒材生产方法,通过控制加热温度,以及分段加热确保加热的通透均匀,保证钢坯性能;同时在钢水冶炼阶段,经LF精炼一级VD真空处理,有效降低钢水中的P、S、Cu、Ni、As、Sb、Sn等有害元素。
Description
技术领域
本发明属于钢材生产加工技术领域,具体涉及一种良好低倍质量H13热作模具钢棒材生产方法。
背景技术
H13钢有着相对较高的服役温度,相比常规低合金钢的400℃服役温度,其服役温度可达600℃,同时鉴于H13钢还有着较高的淬透性和良好的韧性,故被广泛用于热作模具钢。在H13热作模具钢的生产过程中,随着温度的升高,钢材表面的氧化速度也会加快,钢材表面氧化皮严重后会影响最终成品的表面质量。
发明内容
针对现有技术中存在的不足,本发明提供了一种良好低倍质量H13热作模具钢棒材生产方法。
本发明通过以下技术手段实现上述技术目的。
一种良好低倍质量H13热作模具钢小棒材生产方法,包括如下步骤:
步骤1,钢水冶炼;
步骤2,钢坯连铸;
步骤3,棒材轧制,在轧制前,先将钢坯送入加热炉加热,其中钢坯入炉前表面温度500~600℃,加热炉内分四段加热,依次为预热段温度≤700℃,加热一段温度800~1100℃,加热二段温度1130~1180℃,均热段温度1160~1250℃,最后出炉温度控制在1070~1250℃;
步骤4,热处理;
步骤5,矫直修磨。
进一步地,所述步骤1中,钢水各元素质量比为:C:0.37~0.42%,Si:0.8~1.0%,Mn: 0.2~0.5%,P:≤0.015%,S:≤0.005%,Al:≤0.035%,Cr:5.0~5.5%,Mo:1.3~1.5%,Ni:≤0.25%,Cu:≤0.25%,V:0.95~1.2%,五害元素:≤0.02%,其余为Fe。
进一步地,所述钢水冶炼后还进行LF精炼和VD真空处理。
进一步地,所述VD真空处理中,VD真空度控制在67Pa以内,并保持不少于15min。
进一步地,所述步骤2中,采用圆坯连铸机连铸,圆坯连铸机内结晶器采用内装浸入式水口、塞棒、涡流页面检测装置,检测液面波动范围为±4mm。
进一步地,所述步骤4具体为:对棒材进行球化退火处理,其中分两段温度保温,首先控制在860±10℃保温3~8h;之后冷却至670±10℃保温3~8h,保温结束后冷却至300℃出炉,上述过程冷却速度均控制在40℃/h以内。
进一步地,在退火的过程中,在退火炉内通入氮气进行保护,氮气进口压力为0.08MPa、流速为30m3/h。
本发明的有益效果为:
本发明提供了一种良好低倍质量H13热作模具钢棒材生产方法,通过控制加热温度,减少了钢材表面氧化皮的生成,改善钢坯表面质量;并且分段加热确保加热的通透均匀,保证钢坯性能;同时在钢水冶炼阶段,经LF精炼一级VD真空处理,有效降低钢水中的P、S、 Cu、Ni、As、Sb、Sn等有害元素。
具体实施方式
下面详细描述本发明的实施例,下面描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。
H13热作模具钢棒材生产方法,包括如下步骤:
步骤1,钢水冶炼,其中钢水各元素质量比为:C:0.37~0.42%,Si:0.8~1.0%,Mn: 0.2~0.5%,P:≤0.015%,S:≤0.005%,Al:≤0.035%,Cr:5.0~5.5%,Mo:1.3~1.5%,Ni:≤0.25%,Cu:≤0.25%,V:0.95~1.2%,五害元素:≤0.02%,其余为Fe;初步冶炼得到的钢水再经LF精炼和VD真空处理,其中VD真空度控制在67Pa以内并保持不少于15min。
步骤2,钢坯连铸:将上一步骤得到的钢水,通过圆坯连铸机进行连铸成钢坯;其中圆坯连铸机内所采用的结晶器采用内装浸入式水口、塞棒、涡流页面检测装置,检测液面波动范围为±4mm。
步骤3,棒材轧制:将钢坯送入小棒材轧制机组轧制,在轧制前钢坯先送入加热炉进行加热,其中钢坯入炉前的表面温度控制在500~600℃,加热炉内则分四段加热,依次为预热段温度≤700℃,加热一段温度800~1100℃,加热二段温度1130~1180℃,均热段温度1160~1250℃,最后出炉温度控制在1070~1250℃。
步骤4:热处理:对棒材进行球化退火处理,其中分两段温度保温,第一段保温温度控制在860±10℃下保温3~8h;之后以不高于40℃/h的速度冷却至670±10℃以进行第二段保温,第二段保温时间3~8h;保温结束后再以不高于40℃/h的速度冷却至300℃出炉;在退火的过程中,在退火炉内通入氮气进行保护,氮气进口压力0.08MPa,流速30m3/h。
步骤5,矫直修磨:最后将棒材冷却后,进行矫直以及表面修磨处理。
本发明并不限于上述实施方式,在不背离本发明的实质内容的情况下,本领域技术人员能够做出的任何显而易见的改进、替换或变形均属于本发明的保护范围。
Claims (7)
1.一种良好低倍质量H13热作模具钢小棒材生产方法,其特征在于包括如下步骤:
步骤1,钢水冶炼;
步骤2,钢坯连铸;
步骤3,棒材轧制,在轧制前,先将钢坯送入加热炉加热,其中钢坯入炉前表面温度500~600℃,加热炉内分四段加热,依次为预热段温度≤700℃,加热一段温度800~1100℃,加热二段温度1130~1180℃,均热段温度1160~1250℃,最后出炉温度控制在1070~1250℃;
步骤4,热处理;
步骤5,矫直修磨。
2.根据权利要求1所述的良好低倍质量H13热作模具钢小棒材生产方法,其特征在于:所述步骤1中,钢水各元素质量比为:C:0.37~0.42%,Si:0.8~1.0%,Mn:0.2~0.5%,P:≤0.015%,S:≤0.005%,Al:≤0.035%,Cr:5.0~5.5%,Mo:1.3~1.5%,Ni:≤0.25%,Cu:≤0.25%,V:0.95~1.2%,五害元素:≤0.02%,其余为Fe。
3.根据权利要求1所述的良好低倍质量H13热作模具钢小棒材生产方法,其特征在于:所述钢水冶炼后还进行LF精炼和VD真空处理。
4.根据权利要求3所述的良好低倍质量H13热作模具钢小棒材生产方法,其特征在于:所述VD真空处理中,VD真空度控制在67Pa以内,并保持不少于15min。
5.根据权利要求1所述的良好低倍质量H13热作模具钢小棒材生产方法,其特征在于:所述步骤2中,采用圆坯连铸机连铸,圆坯连铸机内结晶器采用内装浸入式水口、塞棒、涡流页面检测装置,检测液面波动范围为±4mm。
6.根据权利要求1所述的良好低倍质量H13热作模具钢小棒材生产方法,其特征在于:所述步骤4具体为:对棒材进行球化退火处理,其中分两段温度保温,首先控制在860±10℃保温3~8h;之后冷却至670±10℃保温3~8h,保温结束后冷却至300℃出炉,上述过程冷却速度均控制在40℃/h以内。
7.根据权利要求6所述的良好低倍质量H13热作模具钢小棒材生产方法,其特征在于:在退火的过程中,在退火炉内通入氮气进行保护,氮气进口压力为0.08MPa、流速为30m3/h。
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Publication number | Priority date | Publication date | Assignee | Title |
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CN115505839A (zh) * | 2022-08-18 | 2022-12-23 | 马鞍山钢铁股份有限公司 | 一种高氮高强韧性h13模具钢及其短流程连铸连轧生产工艺 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101787420A (zh) * | 2010-03-17 | 2010-07-28 | 上海大学 | 一种大规格芯棒组织性能控制方法 |
CN102000954A (zh) * | 2010-11-23 | 2011-04-06 | 攀钢集团钢铁钒钛股份有限公司 | 一种连轧管机限动芯棒的制造方法 |
CN102220544A (zh) * | 2011-05-23 | 2011-10-19 | 尚宗文 | 热作模具钢材料及其制作工艺 |
CN104032226A (zh) * | 2013-09-26 | 2014-09-10 | 北大方正集团有限公司 | 一种非调质钢及其生产工艺 |
CN109158558A (zh) * | 2018-10-23 | 2019-01-08 | 南京钢铁股份有限公司 | 一种h13圆钢连铸连轧制造工艺 |
CN110106437A (zh) * | 2019-03-21 | 2019-08-09 | 山东钢铁股份有限公司 | 一种h13模具钢及其生产方法 |
CN110317934A (zh) * | 2019-06-20 | 2019-10-11 | 河钢股份有限公司 | 提高h13钢退火组织均匀性的热处理工艺 |
CN111876662A (zh) * | 2020-06-18 | 2020-11-03 | 江阴兴澄特种钢铁有限公司 | 一种热作模具钢钢板及其制造方法 |
EP3865595A1 (en) * | 2018-10-09 | 2021-08-18 | Jiangyin Xingcheng Special Steel Works Co., Ltd | Steel for wind turbine main shaft bearing and production method therefor |
JP2021161478A (ja) * | 2020-03-31 | 2021-10-11 | 日本製鉄株式会社 | 鋼材およびその製造方法 |
CN113718162A (zh) * | 2021-09-06 | 2021-11-30 | 江苏联峰能源装备有限公司 | 一种热作模具钢h13及其连铸轧圆的制造工艺 |
-
2022
- 2022-04-21 CN CN202210420216.8A patent/CN114774762A/zh active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101787420A (zh) * | 2010-03-17 | 2010-07-28 | 上海大学 | 一种大规格芯棒组织性能控制方法 |
CN102000954A (zh) * | 2010-11-23 | 2011-04-06 | 攀钢集团钢铁钒钛股份有限公司 | 一种连轧管机限动芯棒的制造方法 |
CN102220544A (zh) * | 2011-05-23 | 2011-10-19 | 尚宗文 | 热作模具钢材料及其制作工艺 |
CN104032226A (zh) * | 2013-09-26 | 2014-09-10 | 北大方正集团有限公司 | 一种非调质钢及其生产工艺 |
EP3865595A1 (en) * | 2018-10-09 | 2021-08-18 | Jiangyin Xingcheng Special Steel Works Co., Ltd | Steel for wind turbine main shaft bearing and production method therefor |
CN109158558A (zh) * | 2018-10-23 | 2019-01-08 | 南京钢铁股份有限公司 | 一种h13圆钢连铸连轧制造工艺 |
CN110106437A (zh) * | 2019-03-21 | 2019-08-09 | 山东钢铁股份有限公司 | 一种h13模具钢及其生产方法 |
CN110317934A (zh) * | 2019-06-20 | 2019-10-11 | 河钢股份有限公司 | 提高h13钢退火组织均匀性的热处理工艺 |
JP2021161478A (ja) * | 2020-03-31 | 2021-10-11 | 日本製鉄株式会社 | 鋼材およびその製造方法 |
CN111876662A (zh) * | 2020-06-18 | 2020-11-03 | 江阴兴澄特种钢铁有限公司 | 一种热作模具钢钢板及其制造方法 |
CN113718162A (zh) * | 2021-09-06 | 2021-11-30 | 江苏联峰能源装备有限公司 | 一种热作模具钢h13及其连铸轧圆的制造工艺 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115505839A (zh) * | 2022-08-18 | 2022-12-23 | 马鞍山钢铁股份有限公司 | 一种高氮高强韧性h13模具钢及其短流程连铸连轧生产工艺 |
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