Effect of Ageing Treatment on Structure and Mechanical Properties of Precipitation-Hardening Martensite Stainless Steel 15-5PH

裴海祥; 王西涛; 王立新; 邢丽娜

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Effect of Ageing Treatment on Structure and Mechanical Properties of Precipitation-Hardening Martensite Stainless Steel 15-5PH

更新时间：2026-01-21

- Effect of Ageing Treatment on Structure and Mechanical Properties of Precipitation-Hardening Martensite Stainless Steel 15-5PH
- Special Steel Vol. 33, Issue 5, Pages: 47-48(2012)
- 作者机构：
  
  1. 北京科技大学新金属材料国家重点实验室,北京,100083
  2. 太钢不锈钢股份有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 March 2012，
  
  Online First：10 October 2022，
  
  Published：10 October 2012
- 稿件说明：
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裴海祥, 王西涛, 王立新, et al. Effect of Ageing Treatment on Structure and Mechanical Properties of Precipitation-Hardening Martensite Stainless Steel 15-5PH[J]. Special Steel, 2012, 33(5): 47-48.
DOI：

裴海祥, 王西涛, 王立新, et al. Effect of Ageing Treatment on Structure and Mechanical Properties of Precipitation-Hardening Martensite Stainless Steel 15-5PH[J]. Special Steel, 2012, 33(5): 47-48. DOI：

摘要

研究了1000℃和1040℃30min水冷固溶480～620℃4 h时效对15-5PH钢(/%:0.065C、0.46Si、0.58Mn、0.022P、0.004S、14.77Cr、5.19Ni、2.91 Cu、0.22Nb)组织和力学性能的影响。结果表明

该钢在480℃4 h时效后

开始析出富铜相和碳化物Nb(C

随时效温度升高

部分析出相长大;550℃时效15-5PH钢具有最佳综合力学性能:屈服强度R

p0.2

530～625 MPa

抗拉强度R

1050～1070 MPa

冲击功值a

113～115 J/cm

。

Abstract

Effect of ageing treatment at 480 ~ 620 °C for 4 h on structure and mechanical properties of steel 15-5PH (/% ：0. 065C

0. 46Si

0. 58Mn

0. 022P、0. 004S

14. 77Cr

5. 19Ni

2. 91 Cu

0. 22Nb) solid-solution-treated at 1 000 T and 1 040°C for 30 min water cooling has been studied. Results show that with ageing at 480 °C for 4 h

the copper- rich phases and carbide Nb( C

N) begin to precipitate

and with increasing ageing temperature

partial precipitates coarsen ；with ageing at 550 °C the steel 15-5PH has optimum comprehensive mechanical properties i. e. yield strength R

p0.2

530 -625 MPa

tensile strength R

1 050 ~ 1 070 MPa and impact energy value a

113 〜115 J /cm

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