CN100485077C - 超薄合金材料软管及其制造方法 - Google Patents

超薄合金材料软管及其制造方法 Download PDF

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CN100485077C
CN100485077C CNB2007100749462A CN200710074946A CN100485077C CN 100485077 C CN100485077 C CN 100485077C CN B2007100749462 A CNB2007100749462 A CN B2007100749462A CN 200710074946 A CN200710074946 A CN 200710074946A CN 100485077 C CN100485077 C CN 100485077C
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alloy material
pipe
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陈卫东
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Deqin Zhonghui Technology Heat Pipe Co Ltd
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Abstract

一种超薄合金材料软管，其特征在于：以质量%计，含有Cr：17～23、Ti：0.1～0.35、Cu：0.4～8.5、Mo：0.2～2.4、Co：0.01～0.06、Ni：0.3～2.0、Nb：0.2～1.0、V：0.05～0.4、B：0.001～0.020、Si＜1.0、Mn＜1.0、C＜0.020、N＜0.020、P＜0.035、S＜0.025、Mg＜0.005、O＜0.006、Al＜0.08、剩余部分由Fe以及杂质构成。制管步骤包括：冷轧板带、调质处理、整平、精密分条、开卷、清洁卫生、定位、卷制成型、焊接、保温、探伤打标记、校圆定径、盘卷。管壁厚度为0.04至0.2mm，耐氯离子性大于100ppm，比铜材抗腐蚀性提高约50%以上，强度提高约一倍，延性近同于铜材，热功率高于现有结构的铜管材。是一种能满足各种空调、制冷设备使用的散热高效化管材。

Description

超薄合金材料软管及其制造方法
技术领域
本发明涉及是合金材料管，尤其是一种可替代常用的铜质管，适用于空调、制冷、散热高效化的超薄合金材料软管及其制造方法。
背景技术
现有的空调、制冷、冰箱、散热所使用的蒸发器或散热器通常采用具良好加工性能、散热性能和一定的防腐能力的铜质管制成。众所周知，铜资源不仅缺乏，其价格也较昂贵。铜资源的缺乏和昂贵给整个行业造成了材料供给上的瓶颈。
发明内容
本发明的目的是针对上述存在的问题，提供一种可替代铜质材料、抗腐蚀性和强度更好、适用于空调、制冷、散热高效化的超薄合金材料软管及其制造方法。
本发明的超薄合金材料软管，其特征在于：以质量％计，含有Cr 17～23、Ti 0.1～0.35、Cu 0.4～8.5、Mo 0.2～2.4、Co 0.01～0.06、Ni 0.3～2.0、Nb 0.2～1.0、V 0.05～0.4、B 0.001～0.020、Si<1.0、Mn<1.0、C<0.020、N<0.020、P<0.035、S<0.025、Mg<0.005、0<0.006、Al<0.08、剩余部分由Fe以及杂质构成，其硬度为HV90—150，25％--40％的机械伸长率，耐氯离子性大于100ppm。
本发明超薄合金材料软管的制造方法，其特征在于：以具有上述记载的化学成分的合金材料为原材料进行制管，步骤包括：
(1)合金材料精密的冷轧板带：将原材料通过精密冷轧制成厚度为0.04mm至0.20mm厚度的合金材料板带；
(2)调质处理：采用光亮式加热炉对合金材料板带的基本调质处理，调质温度600℃～780℃，时间5～20分钟，以满足制管工艺所需要的柔韧度；
(3)整平：通过带卷平整工艺设备对调质处理后的合金材料板带进行整平，使合金材料板带平整符合分条、制管工艺技术条件；
(4)精密分条：将合金材料板带按所制管材直径所需要的宽度尺寸，进行精密分制成合金材料板带盘卷，工艺分条宽度的跳动偏差不大于0.01mm；划痕深度不超过0.002mm；
(5)开卷：将分条好的合金材料板带盘卷，装入开卷料架上，打开合金材料板带盘卷修剪板带头，以备开卷；
(6)清洁卫生：将开卷后的合金材料板带头引入清洁卫生装置进行带的全面清洁处理；
(7)定位：将合金材料板带在运行轨道中定位；
(8)卷制成型：将合金材料板带引入成型模具，经过多道成型模具，逐级将合金材料板带卷制成的管坯，管坯直径由Φ3.10～Φ15.88mm，管壁厚度大于0.1mm时，管坯直径偏差不大于±0.01mm，管壁厚度小于0.1mm时，管坯直径偏差不大于0.003mm；
(9)焊接：沿管坯长度方向，对管坯两个边对接缝进行连续焊接成一个无限延长的管子，焊缝的最小厚度不低于壁厚，最大厚度高出内壁表面不超过0.02mm，高出外壁表面不超过0.03mm，焊缝宽度为厚度的4～8倍；
(10)保温：将焊接成型的管子置于1200℃～180℃温度区域内进行0.3分钟～1分钟时间的保温式降温，消除管子焊接的影响；
(11)探伤打标记：对管子焊缝及周身，采用自动探伤发现缺陷自动打标记；
(12)校圆定径：对管子进行校正圆度，并定型直径尺寸，确保管子直径尺寸的圆度及尺寸公差；
(13)盘卷：将合格的管子，在盘料架上盘制成逐层缠绕的盘管卷，以便后道开卷分检使用。
本发明超薄合金材料软管采用了个别主元素大剂量和多种有益主元素多数量小剂量之配方工艺，满足了超薄管的焊缝性能要求。这种一次性成型的超薄合金材料软管达到实用价值的管壁厚度0.04至0.2mm，且其性能解决了铜管材性能不足所产生的问题，耐氯离子性大于100ppm，比铜材抗腐蚀性提高约50％以上，对抗腐蚀性提高2～5倍，强度提高约一倍，延性近同于铜材，热功率高于现有结构的铜管材。是一种可替代现有铜质管，且性能优于现有铜质管，能满足各种空调、制冷设备使用的散热高效化管材。
具体实施方式
实施例1：一种管壁厚度为0.12mm、管直径Φ5.3mm的超薄合金材料软管及其制造方法。
制管合金材料的配方：以质量％计，含有Cr18、Ti0.15、Cu0.6、Mol.0、Co0.02、Ni0.6、Nb0.5、V0.1、B0.005、Si<0.10、Mn<0.24、C<0.004、N<0.005、P<0.006、S<0.002、Mg<0.001、0<0.003、Al<0.05、剩余部分由Fe以及杂质构成，其常温条件下硬度为HV 120，35％的伸长率，耐氯离子性为200ppm。
上述材料制作超薄合金材料软管的方法步骤如下：
(1)合金材料精密的冷轧板带：将原材料通过精密冷轧制成厚度为0.12mm厚度的合金材料板带；
(2)调质处理：采用光亮式加热炉对合金材料板带的基本调质处理，调质温度600℃～780℃，时间5～10分钟，以满足制管工艺所需要的柔韧度；
(3)整平：通过带卷平整工艺设备对调质处理后的合金材料板带进行整平，使合金材料板带平整符合分条、制管工艺技术条件；
(4)精密分条：将合金材料板带按所制管材直径所需要的宽度尺寸，进行精密分制成合金材料板带盘卷，工艺分条宽度的跳动偏差不大于0.01mm；划痕深度不超过0.002mm；
(5)开卷：将分条好的合金材料板带盘卷，装入开卷料架上，打开合金材料板带盘卷修剪板带头，以备开卷；
(6)清洁卫生：将开卷后的合金材料板带头引入清洁卫生装置进行带的全面清洁处理；
(7)定位：将合金材料板带在运行轨道中定位；
(8)卷制成型：将合金材料板带引入成型模具，经过多道成型模具，逐级将合金材料板带卷制成直径Φ5.3mm的管坯，管坯直径偏差不大于0.003mm；
(9)焊接：沿管坯长度方向，对管坯两个边对接缝进行连续焊接成一个无限延长的管子，焊缝的最小厚度不低于壁厚，最大厚度高出内壁表面不超过0.02mm，高出外壁表面不超过0.03mm，焊缝宽度为厚度的5倍；
(10)保温：将焊接成型的管子置于1200℃～180℃温度区域内进行0.3分钟～1分钟时间的保温式降温，消除管子焊接的影响；
(11)探伤打标记：对管子焊缝及周身，采用自动探伤发现缺陷自动打标记；
(12)校圆定径：对管子进行校正圆度，并定型直径尺寸，确保管子直径尺寸的圆度及尺寸公差；
(13)盘卷：将合格的管子，在盘料架上盘制成逐层缠绕的盘管卷，以便后道开卷分检使用。
实施例2：一种管壁厚度为0.15mm或0.18mm、管直径Φ9.52mm的超薄合金材料软管及其制造方法。
制管合金材料的配方：以质量％计，含有Cr19、Ti0.3、Cu8.0、Mo0.5、Co0.1、Ni1.0、Nb0.5、V0.1、B0.003、Si<0.10、Mn<0.2、C<0.003、N<0.003、P<0.006、S<0.002、Mg<0.001、0<0.003、Al<0.05、剩余部分由Fe以及杂质构成，其常温条件下硬度为HV 110，40％的伸长率，耐氯离子性为100ppm。
上述材料制作超薄合金材料软管的方法步骤与实施例1基本相同，区别仅为：
(1)合金材料精密的冷轧板带：将原材料通过精密冷轧制成厚度为0.15mm或0.18mm的合金材料板带。
(8)卷制成型：将合金材料板带引入成型模具，经过多道成型模具，逐级将合金材料板带卷制成直径Φ9.52mm的管坯，管坯直径偏差不大于±0.01mm。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，其架构形式能够灵活多变，可以派生系列产品。只是做出如果干简单推演或替换，都应当视为属于本发明由所提交的权利要求书确定的专利保护范围。

Claims (5)

1、一种超薄合金材料软管，其特征在于：以质量％计，含有Cr17～23、Ti0.1～0.35、Cu0.4～8.5、Mo0.2～2.4、Co0.01～0.06、Ni0.3～2.0、Nb0.2～1.0、V 0.05～0.4、B 0.001～0.020、Si<1.0、Mn<1.0、C<0.020、N<0.020、P<0.035、S<0.025、Mg<0.005、O<0.006、Al<0.08、剩余部分由Fe以及杂质构成，其硬度为HV90—150，25％--40％的机械伸长率，耐氯离子性大于100ppm。
2、根据权利要求1所述的超薄合金材料软管，其特征在于：以质量％计，含有Cr18、Ti0.15、Cu0.6、Mo1.0、Co0.02、Ni0.6、Nb0.5、V0.1、B0.005、Si<0.10、Mn<0.24、C<0.004、N<0.005、P<0.006、S<0.002、Mg<0.001、O<0.003、Al<0.05、剩余部分由Fe以及杂质构成，其常温条件下硬度为HV 120，35％的伸长率，耐氯离子性为200ppm。
3、一种超薄合金材料软管，其特征在于：
以质量％计，含有Cr19、Ti0.3、Cu8.0、Mo0.5、Co0.1、Ni1.0、Nb0.5、V 0.1、B 0.003、Si<0.10、Mn<0.2、C<0.003、N<0.003、P<0.006、S<0.002、Mg<0.001、0<0.003、Al<0.05、剩余部分由Fe以及杂质构成，其常温条件下硬度为HV 110，40％的伸长率，耐氯离子性为100ppm。
4、一种超薄合金材料软管的制造方法，其特征在于：以具有权利要求1或2或3中所记载的化学成分的合金材料为原材料进行制管，步骤包括：
(1)合金材料精密的冷轧板带：将原材料通过精密冷轧制成厚度为0.04mm至0.20mm厚度的合金材料板带；
(2)调质处理：采用光亮式加热炉对合金材料板带的基本调质处理，调质温度600℃～780℃，时间5～20分钟，以满足制管工艺所需要的柔韧度；
(3)整平：通过带卷平整工艺设备对调质处理后的合金材料板带进行整平，使合金材料板带平整符合分条、制管工艺技术条件；
(4)精密分条：将合金材料板带按所制管材直径所需要的宽度尺寸，进行精密分制成合金材料板带盘卷，工艺分条宽度的跳动偏差不大于0.01mm；划痕深度不超过0.002mm；
(5)开卷：将分条好的合金材料板带盘卷，装入开卷料架上，打开合金材料板带盘卷修剪板带头，以备开卷；
(6)清洁卫生：将开卷后的合金材料板带头引入清洁卫生装置进行带的全面清洁处理；
(7)定位：将合金材料板带在运行轨道中定位；
(8)卷制成型：将合金材料板带引入成型模具，经过多道成型模具，逐级将合金材料板带卷制成的管坯，管坯直径由Φ3.10～Φ15.88mm，管壁厚度大于0.1mm时，管坯直径偏差不大于±0.01mm，管壁厚度小于0.1mm时，管坯直径偏差不大于0.003mm；
(9)焊接：沿管坯长度方向，对管坯两个边对接缝进行连续焊接成一个无限延长的管子，焊缝的最小厚度不低于壁厚，最大厚度高出内壁表面不超过0.02mm，高出外壁表面不超过0.03mm，焊缝宽度为厚度的4～8倍；
(10)保温：将焊接成型的管子置于1200℃～180℃温度区域内进行0.3分钟～1分钟时间的保温式降温，消除管子焊接的影响；
(11)探伤打标记：对管子焊缝及周身，采用自动探伤发现缺陷自动打标记；
(12)校圆定径：对管子进行校正圆度，并定型直径尺寸，确保管子直径尺寸的圆度及尺寸公差；
(13)盘卷：将合格的管子，在盘料架上盘制成逐层缠绕的盘管卷，以便后道开卷分检使用。
5、根据权利要求4所述的超薄合金材料软管的制造方法，其特征在于：合金材料精密的冷轧板带的厚度为0.12mm或0.15mm或0.18mm。
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