Effect of Heat Treatment Process on Structure and Properties of SA-738Gr. B Steel Plate for Nuclear Power Station

程含文; 赵国昌; 林明新; 谢东; 石莉; 肖雄峰

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Effect of Heat Treatment Process on Structure and Properties of SA-738Gr. B Steel Plate for Nuclear Power Station

更新时间：2026-01-21

- Effect of Heat Treatment Process on Structure and Properties of SA-738Gr. B Steel Plate for Nuclear Power Station
- Special Steel Vol. 42, Issue 2, Pages: 56-59(2021)
- 作者机构：
  
  河钢集团舞钢公司科技部，舞钢,462500
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 August 2020，
  
  Online First：16 April 2022，
  
  Published：16 April 2021
- 稿件说明：
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程含文, 赵国昌, 林明新, et al. Effect of Heat Treatment Process on Structure and Properties of SA-738Gr. B Steel Plate for Nuclear Power Station[J]. Special Steel, 2021, 42(2): 56-59.
DOI：

程含文, 赵国昌, 林明新, et al. Effect of Heat Treatment Process on Structure and Properties of SA-738Gr. B Steel Plate for Nuclear Power Station[J]. Special Steel, 2021, 42(2): 56-59. DOI：

摘要

研究了钢板热处理工艺对SA-738Gr.B钢板金相组织和力学性能的影响

分析了导致交货状态拉伸试验性能的不稳定和模拟焊后热处理状态抗拉强度偏低的因素。同时

制定了提高SA-738Gr.B钢板性能稳定的工艺措施。试验结果表明

SA-738Gr.B钢板在915～935℃淬火、675℃回火以及模拟焊后力学性能优良

满足使用要求。

Abstract

The effect of heat treatment process on metallographic structure and mechanical properties of SA-738Gr. B steel plate has been studied. And the factors led to instability of tensile test performance in delivery state and low tensile strength after SPWHT are analyzed. At the same time

technological measures to improve the stability of steel plate SA- 738 Gr. B have been worked out. The test results show that steel plate SA-738Gr. B quenched at 915 ~935 ℃ and tempered at 675℃

and simulated post-welded heat-treated (SPWHT) has excellent mechanical properties to meet the using requirement.

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