GH3625合金无缝钢管的研制开发
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- 英文论文题名：Research and Development of GH3625 Alloy Seamless Pipe
- 论文作者：王宝顺 ; 李郑周 ; 杨晨 ; 王曼 ; 苏诚
- 英文论文作者：Wang Baoshun ; Li Zhengzhou ; Yang Chen ; Wang Man ; Su Cheng ; Zhejiang Jiuli Hi-Tech Metals Co. ; Ltd. ; School of Materials Science and Engineering ; University of Science and Technology
- 年：2015
- 作者机构：浙江久立特材科技股份有限公司;北京科技大学材料学院;
- 论文关键词：GH3625合金 ; 无缝钢管 ; 热挤压
- 英文论文关键词：GH3625 alloy ; seamless pipe ; hot extrusion
- 会议召开时间：2015-05-20
- 会议录名称：第十三届中国高温合金年会论文集
- 英文会议录名称：Proceedings of the 13th China Superalloys Conference
- 语种：中文
- 分类号：TG376.2;TG335.71
- 学会代码：ZGJS
- 会议名称：第十三届中国高温合金年会
- 会议地点：中国北京
- 主办单位：中国金属学会高温材料分会
- 学会名称：中国金属学会
- 页数：4
- 文件大小：1122k
- 原文格式：O
- 会议级别：全国
摘要
采用玻璃润滑热挤压工艺制备了GH3625合金热挤压荒管,经多道次冷轧变形,研制出规格为φ19mm×1.65mm的GH3625合金无缝钢管。结果表明:GH3625合金无缝管平均晶粒度细于5级,具有良好的工艺性能和力学性能(高温屈服强度可达300MPa以上)。同时,GH3625合金无缝钢管具有良好的耐腐蚀性能,敏化态与交货态钢管的晶间腐蚀速率分别为0.73mm/a和0.47mm/a,两者比值低于2.0。
The hot extruded pipe of GH3625 alloy was prepared using 35 MN hot extrusion presser with glass power lubricant Then,seamless pipe(φ19mm × 1.65mm) was manufactured by multipass cold rolling process.The results showed that GH3625 seamless pipe had good technological and mechanical properties.The grain size of pipe was finer than No.5.Under 300 ~ 600℃,the yield strength of pipe was higher than 300 MPa.Furthermore,the intergranular corrosion test results showed that the corrosion rate of as-received and sensitized seamless pipe was about 0.47mm/a,0.73mm/a,respectively.The corrosion rate ratio of sensitized specimen to as-received specimens was lower than 2.0.
The hot extruded pipe of GH3625 alloy was prepared using 35 MN hot extrusion presser with glass power lubricant Then,seamless pipe(φ19mm × 1.65mm) was manufactured by multipass cold rolling process.The results showed that GH3625 seamless pipe had good technological and mechanical properties.The grain size of pipe was finer than No.5.Under 300 ~ 600℃,the yield strength of pipe was higher than 300 MPa.Furthermore,the intergranular corrosion test results showed that the corrosion rate of as-received and sensitized seamless pipe was about 0.47mm/a,0.73mm/a,respectively.The corrosion rate ratio of sensitized specimen to as-received specimens was lower than 2.0.
引文
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[11]赵雪会,白真权,等.镍基合金在含H_2S/CO_2环境下的电化学腐蚀行为研究[J].腐蚀科学与防护技术,2009,21(6):526~529.
[2]李春兰.管板堆焊Inconel 625合金材料高压空冷器研究[J].化工机械,2013,40(5):672~675.
[3]逯来俊,杨帆,等.镍基合金在高压换热器制造中的应用[J].电焊机,2011,41(12):82~84.
[4]赵宇新.GH3625合金的冷变形及其对力学性能的影响[J].材料工程,2000,(9):36~37.
[5]陶琳,程明,等.Inconel 625合金高温高速热变形行为[J].材料热处理学报,2012,23(9):55~59.
[6]周海涛,刘志超,等.GH3625合金的动态再结晶行为研究[J].稀有金属材料与工程,2012,41(11):1917~1922.
[7]吾志岗,李德富,等.GH3625镍基高温合金动态再结晶模型研究[J].稀有金属材料与工程,2012,41(2):235~240.
[8]李德富,吾志岗,等.GH3625镍基合金高温塑性变形加工图研究[J].稀有金属材料与工程,2012,41(6):1026~1031.
[9]俞秋景,刘军和,等.Inconel625合金Johnson-Cook本构模型的一种改进[J].稀有金属材料与工程,2013,42(8):1679~1684.
[10]方旭,韩德培,等.热处理对GH3625合金热挤压管材组织及力学性能的影响[J].热加工工艺,2013,42(8):204~210.
[11]赵雪会,白真权,等.镍基合金在含H_2S/CO_2环境下的电化学腐蚀行为研究[J].腐蚀科学与防护技术,2009,21(6):526~529.
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