CN1085734C - 一种精密白亮无缝钢管的热处理加工工艺 - Google Patents

一种精密白亮无缝钢管的热处理加工工艺 Download PDF

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Publication number
CN1085734C
CN1085734C CN98110629A CN98110629A CN1085734C CN 1085734 C CN1085734 C CN 1085734C CN 98110629 A CN98110629 A CN 98110629A CN 98110629 A CN98110629 A CN 98110629A CN 1085734 C CN1085734 C CN 1085734C
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steel pipe
iron container
iron ware
steel tube
iron
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CN98110629A
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CN1224065A (zh
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赵江山
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SHANGHAI FENGXIAN STEEL PIPE FACTORY
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SHANGHAI FENGXIAN DISTRICT STEEL PIPE FACTORY
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Abstract

本发明涉及一种精密白亮无缝钢管的热处理加工工艺，其特征在于所述的加工工艺是：(1)将成品钢管酸洗，然后水洗，(2)将钢管放入铁制容器中，将铁制容器密封，(3)将铁制容器抽真空，再充入氮气，(4)将铁制容器放入热处理炉中与铁制容器里的钢管一起退火，(5)退火后的钢管连同铁制容器出炉后自然状态下慢慢冷却，本发明的优点是能去除无缝钢管的表面氧化层，提高钢管的精度、光洁度。

Description

一种精密白亮无缝钢管的热处理加工工艺
本发明涉及一种亮无缝钢管的热处理加工工艺，特别是一种精密白亮无缝钢管的热处理加工工艺。
目前一般无缝钢管的热处理是用煤气炉进行退火处理，通常在700℃～800℃的温度范围内进行热处理，但是由于煤气炉的温度不稳定，造成热处理后的无缝钢管的表面呈青灰色，且表面存在大量的氧化皮，使的机械性能难以得到保障，而氧化皮也给后续加工带来影响。
本发明的目的是提供是提供能去除无缝钢管的表面氧化层的无缝钢管的热处理加工工艺。
本发明的技术方案是设计一种精密白亮无缝钢管的热处理加工工艺，其特征在于所述的加工工艺是：(1)将成品钢管酸洗，然后水洗，(2)将钢管放入铁制容器中，将铁制容器密封，(3)将铁制容器抽真空，再充入氮气，(4)将铁制容器放入热处理炉中与铁制容器里的钢管一起退火，(5)退火后的钢管连同铁制容器出炉后自然状态下慢慢冷却。
本发明的优点是能去除无缝钢管的表面氧化层，提高钢管的精度、光洁度。
下面结合实施例对本发明作详细说明，将成品钢管轻度酸洗，然后水洗，将钢管放入直径为35CM的铁制容器中，然后将铁制容器的两端密封，将铁制容器抽真空，再充入氮气，作为热处理时的钢管保护气体，将铁制容器放入热处理炉中与铁制容器里的钢管一起退火，退火后的钢管连同铁制容器出炉后自然状态下慢慢冷却，取出钢管即可。

Claims (1)

  1. 一种精密白亮无缝钢管的热处理加工工艺，其特征在于所述的加工工艺是：
    (1)将成品钢管酸洗，然后水洗，
    (2)将钢管放入铁制容器中，将铁制容器密封，
    (3)将铁制容器抽真空，再充入氮气，
    (4)将铁制容器放入热处理炉中与铁制容器里的钢管一起退火，
    (5)退火后的钢管连同铁制容器出炉后自然状态下慢慢冷却。
CN98110629A 1998-01-22 1998-01-22 一种精密白亮无缝钢管的热处理加工工艺 Expired - Lifetime CN1085734C (zh)

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CN98110629A CN1085734C (zh) 1998-01-22 1998-01-22 一种精密白亮无缝钢管的热处理加工工艺

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Application Number Priority Date Filing Date Title
CN98110629A CN1085734C (zh) 1998-01-22 1998-01-22 一种精密白亮无缝钢管的热处理加工工艺

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CN1224065A CN1224065A (zh) 1999-07-28
CN1085734C true CN1085734C (zh) 2002-05-29

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CN98110629A Expired - Lifetime CN1085734C (zh) 1998-01-22 1998-01-22 一种精密白亮无缝钢管的热处理加工工艺

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100434784C (zh) * 2007-03-06 2008-11-19 江阴市龙山管业有限公司 镍-铬-钼合金钢管件的制备方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101643907B (zh) * 2008-08-07 2012-09-05 上海奉贤钢管厂 一种不锈钢管的抗腐蚀后处理工艺
CN105177232A (zh) * 2015-10-20 2015-12-23 左铁军 金属管快速电加热不失色退火方法
CN105714082A (zh) * 2016-03-02 2016-06-29 浙江冠宇管业有限公司 一种无缝钢管的光亮退火工艺
CN107142369B (zh) * 2017-07-17 2018-12-18 左铁军 薄壁波纹管快速退火方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0263668A (ja) * 1988-08-30 1990-03-02 Nippon Steel Corp シームレス管の製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0263668A (ja) * 1988-08-30 1990-03-02 Nippon Steel Corp シームレス管の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100434784C (zh) * 2007-03-06 2008-11-19 江阴市龙山管业有限公司 镍-铬-钼合金钢管件的制备方法

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Owner name: SHANGHAI FENGXIAN STEEL TUBE CO., LTD.

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Address after: 201400 No. 24, South China highway, Shanghai, Fengxian

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Granted publication date: 20020529