Effect of Solution Temperature and Grain Size on Ultra Low Temperature Impact Energy of S31608 Stainless Steel Extruded Pipe

王哨兵; 孙文强; 王曼; 周珠; 杜雷; 陆乾乾

doi:10.20057/j.1003-8620.2022-00038

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Effect of Solution Temperature and Grain Size on Ultra Low Temperature Impact Energy of S31608 Stainless Steel Extruded Pipe

更新时间：2026-01-21

- Effect of Solution Temperature and Grain Size on Ultra Low Temperature Impact Energy of S31608 Stainless Steel Extruded Pipe
- Special Steel Vol. 44, Issue 1, Pages: 89-92(2023)
- 作者机构：
  
  浙江久立特材科技股份有限公司,湖州,313000
- 作者简介：
- 基金信息：
- DOI：10.20057/j.1003-8620.2022-00038
  CLC：
- Received：08 March 2022，
  
  Online First：31 January 2023，
  
  Published：31 January 2023
- 稿件说明：
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王哨兵, 孙文强, 王曼, et al. Effect of Solution Temperature and Grain Size on Ultra Low Temperature Impact Energy of S31608 Stainless Steel Extruded Pipe[J]. Special Steel, 2023, 44(1): 89-92.
DOI：

王哨兵, 孙文强, 王曼, et al. Effect of Solution Temperature and Grain Size on Ultra Low Temperature Impact Energy of S31608 Stainless Steel Extruded Pipe[J]. Special Steel, 2023, 44(1): 89-92. DOI： 10.20057/j.1003-8620.2022-00038.

摘要

对1060～1020℃固溶、晶粒尺寸50.2～17.6μm的S31608不锈钢(/%:0.065C

16.50Cr

11.80Ni

2.2Mo)Φ168 mm×13 mm挤压无缝管进行了20℃和-40～-269℃超低温冲击试验。并用扫描电子显微镜进行冲击断口分析。结果表明，S31608钢在-296～20℃具有较高冲击功，即290～360 J

且晶粒尺寸只对-80℃和-120℃冲击功明显的影响，25.3～50.2μm晶粒钢(1060～1040℃固溶处理)的-80℃和-120℃冲击功为330～360 J

17.6μm晶粒钢(1020℃固溶处理)的-80℃和-120℃冲击功为320～360 J。

Abstract

The ultralow temperature impact tests for S31608 stainless steel(/%:0.065C

16.50Cr

11.80Ni

2.2Mo) Φ168 mm×13 mm extruded seamless pipe (solid-solution-treated at 1060- 1020 ℃ with grain size 50.2- 17.6 μm)at 20 ℃ and-40--269 ℃ are carried out

and the impact fracture is analyzed by scanning electron microscope. The results show that the S31608 steel has high impact energy i.e.290-360Jat-269-20 ℃

and only the grain size of steel has obvious effect on impact energy at -80℃ and- 120 ℃

the impact energy of steel with grain size 25.3-50.2 μm (solid-solution-treated at 1060- 1040℃)at-80℃ and- 120℃ is330-360J

but that of steel with grain size 17.6 μm(solid-solution-treated at1020℃)at-80℃ and- 120℃ is 320-360J.

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