CN106676395A - 一种耐腐蚀钼钒合金钢及其在钻进钻杆中的应用 - Google Patents
一种耐腐蚀钼钒合金钢及其在钻进钻杆中的应用 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title abstract description 15
- 239000010959 steel Substances 0.000 title abstract description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 32
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 32
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- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 23
- 239000011733 molybdenum Substances 0.000 claims abstract description 23
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- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
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- 239000011574 phosphorus Substances 0.000 claims abstract description 16
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 16
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- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims abstract description 16
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- 239000010703 silicon Substances 0.000 claims abstract description 16
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- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 16
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- 239000011593 sulfur Substances 0.000 claims abstract description 16
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 16
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Abstract
本发明公开了一种耐腐蚀钼钒合金钢及其在钻进钻杆中的应用,其化学成分及质量百分比为:碳0.38~0.46%,钼7.6~8.4%,钒2.8~3.6%,镍1.1~1.5%,硅0.9~1.5%,铼0.06~0.10%,锰0.8~1.4%,钴0.07~0.09%,磷0.013~0.017%,铬0.44~0.62%,硫0.04~0.08%,铷0.09~0.15%,锶0.02~0.04%,镓0.014~0.018%,钛和锆共0.04~0.06%,钛和锆所占质量百分比的比例为3~5:1,其余为铁。本发明提供的钼钒基合金钢材料耐腐蚀性能优异,适合用于制备钻进钻杆。
Description
技术领域
本发明属于钻杆领域,具体涉及一种耐腐蚀钼钒合金钢及其在钻进钻杆中的应用。
背景技术
钢是铁碳合金的统称。在实际生产中,钢往往根据用途的不同含有不同的合金元素,人类对钢的应用和研究历史相当悠久,但是直到19世纪贝氏炼钢法发明之前,钢的制取都是一项高成本低效率的工作。如今,钢以其低廉的价格、可靠的性能成为世界上使用最多的材料之一,是建筑业、制造业和人们日常生活中不可或缺的成分。可以说钢是现代社会的物质基础。但是钢本身特性存在缺点,密度高,比较重,比较易被腐蚀,比较脆容易断裂。
实际应用中,钻进钻杆用钢需要具有较高的耐腐蚀性能。
发明内容
本发明的目的在于提供一种耐腐蚀钼钒合金钢及其在钻进钻杆中的应用。
本发明的上述目的是通过下面的技术方案得以实现的:
一种耐腐蚀钼钒合金钢,其化学成分及质量百分比为:碳0.38~0.46%,钼7.6~8.4%,钒2.8~3.6%,镍1.1~1.5%,硅0.9~1.5%,铼0.06~0.10%,锰0.8~1.4%,钴0.07~0.09%,磷0.013~0.017%,铬0.44~0.62%,硫0.04~0.08%,铷0.09~0.15%,锶0.02~0.04%,镓0.014~0.018%,钛和锆共0.04~0.06%,钛和锆所占质量百分比的比例为3~5:1,其余为铁。
进一步地,所述耐腐蚀钼钒合金钢化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆质量百分比的比例为4:1,其余为铁。
进一步地,所述耐腐蚀钼钒合金钢化学成分及质量百分比为:碳0.38%,钼7.6%,钒2.8%,镍1.1%,硅0.9%,铼0.06%,锰0.8%,钴0.07%,磷0.013%,铬0.44%,硫0.04%,铷0.09%,锶0.02%,镓0.014%,钛和锆共0.04%,钛和锆所占质量百分比的比例为3:1,其余为铁。
进一步地,所述耐腐蚀钼钒合金钢化学成分及质量百分比为:碳0.46%,钼8.4%,钒3.6%,镍1.5%,硅1.5%,铼0.10%,锰1.4%,钴0.09%,磷0.017%,铬0.62%,硫0.08%,铷0.15%,锶0.04%,镓0.018%,钛和锆共0.06%,钛和锆所占质量百分比的比例为5:1,其余为铁。
上述耐腐蚀钼钒合金钢在制备钻进钻杆中的应用。
本发明的优点:
本发明提供的钼钒基合金钢材料耐腐蚀性能优异,适合用于制备钻进钻杆。
具体实施方式
下面结合实施例进一步说明本发明的实质性内容,但并不以此限定本发明保护范围。尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。
实施例1:钼钒基合金钢材料
化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆所占质量百分比的比例为4:1,其余为铁。
实施例2:钼钒基合金钢材料
化学成分及质量百分比为:碳0.38%,钼7.6%,钒2.8%,镍1.1%,硅0.9%,铼0.06%,锰0.8%,钴0.07%,磷0.013%,铬0.44%,硫0.04%,铷0.09%,锶0.02%,镓0.014%,钛和锆共0.04%,钛和锆所占质量百分比的比例为3:1,其余为铁。
实施例3:钼钒基合金钢材料
化学成分及质量百分比为:碳0.46%,钼8.4%,钒3.6%,镍1.5%,硅1.5%,铼0.10%,锰1.4%,钴0.09%,磷0.017%,铬0.62%,硫0.08%,铷0.15%,锶0.04%,镓0.018%,钛和锆共0.06%,钛和锆所占质量百分比的比例为5:1,其余为铁。
实施例4:钼钒基合金钢材料
化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆所占质量百分比的比例为3:1,其余为铁。
实施例5:钼钒基合金钢材料
化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆所占质量百分比的比例为5:1,其余为铁。
实施例6:对比实施例
化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆所占质量百分比的比例为2:1,其余为铁。
实施例7:对比实施例
化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆所占质量百分比的比例为6:1,其余为铁。
实施例8:效果实施例
对制备得到的实施例1~7的合金钢进行了耐腐蚀测试。将实施例1~7的钢材料分别放入5wt%的NaCl溶液、10wt%的硫酸溶液和10wt%的氢氧化钾溶液中,测定时间为1年。
结果见下表。
5wt%的NaCl溶液 | 10wt%的硫酸溶液 | 10wt%的氢氧化钾 | |
实施例1 | 0.0002mm/年 | 0.001mm/年 | 0.001mm/年 |
实施例4 | 0.0002mm/年 | 0.001mm/年 | 0.001mm/年 |
实施例5 | 0.0002mm/年 | 0.001mm/年 | 0.001mm/年 |
实施例6 | 0.0010mm/年 | 0.013mm/年 | 0.009mm/年 |
实施例7 | 0.0012mm/年 | 0.015mm/年 | 0.013mm/年 |
实施例2、3测试结果与实施例4、5基本一致。
本发明提供的钼钒基合金钢材料耐腐蚀性能优异,适合用于制备钻进钻杆。
上述实施例的作用在于说明本发明的实质性内容,但并不以此限定本发明的保护范围。本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和保护范围。
Claims (5)
1.一种耐腐蚀钼钒合金钢,其特征在于,其化学成分及质量百分比为:碳0.38~0.46%,钼7.6~8.4%,钒2.8~3.6%,镍1.1~1.5%,硅0.9~1.5%,铼0.06~0.10%,锰0.8~1.4%,钴0.07~0.09%,磷0.013~0.017%,铬0.44~0.62%,硫0.04~0.08%,铷0.09~0.15%,锶0.02~0.04%,镓0.014~0.018%,钛和锆共0.04~0.06%,钛和锆所占质量百分比的比例为3~5:1,其余为铁。
2.根据权利要求1所述的耐腐蚀钼钒合金钢,其特征在于,化学成分及质量百分比为:碳0.42%,钼8.0%,钒3.2%,镍1.3%,硅1.2%,铼0.08%,锰1.1%,钴0.08%,磷0.015%,铬0.53%,硫0.06%,铷0.12%,锶0.03%,镓0.016%,钛和锆共0.05%,钛和锆所占质量百分比的比例为4:1,其余为铁。
3.根据权利要求1所述的耐腐蚀钼钒合金钢,其特征在于,化学成分及质量百分比为:碳0.38%,钼7.6%,钒2.8%,镍1.1%,硅0.9%,铼0.06%,锰0.8%,钴0.07%,磷0.013%,铬0.44%,硫0.04%,铷0.09%,锶0.02%,镓0.014%,钛和锆共0.04%,钛和锆所占质量百分比的比例为3:1,其余为铁。
4.根据权利要求1所述的耐腐蚀钼钒合金钢,其特征在于,化学成分及质量百分比为:碳0.46%,钼8.4%,钒3.6%,镍1.5%,硅1.5%,铼0.10%,锰1.4%,钴0.09%,磷0.017%,铬0.62%,硫0.08%,铷0.15%,锶0.04%,镓0.018%,钛和锆共0.06%,钛和锆所占质量百分比的比例为5:1,其余为铁。
5.权利要求1~4任一所述耐腐蚀钼钒合金钢在制备钻进钻杆中的应用。
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张其枢: "《不锈钢焊接技术》", 31 July 2015, 机械工业出版社 * |
陆宝山: "《模具材料与热处理》", 31 January 2016 * |
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