Microstructure and Mechanical Properties of 150 mm SA387Gr22C12 Steel Plate for Methanol Synthesis Tower

Yin Weijiang; Li Jie; Wu Yanyang; Wang Tiantian; Zhang Jian; Hou Jingchao

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Microstructure and Mechanical Properties of 150 mm SA387Gr22C12 Steel Plate for Methanol Synthesis Tower

更新时间：2025-10-28

- Microstructure and Mechanical Properties of 150 mm SA387Gr22C12 Steel Plate for Methanol Synthesis Tower
- Special Steel Vol. 43, Issue 1, Pages: 93-96(2022)
- 作者机构：
  
  1. 舞阳钢铁有限责任公司，舞钢,462500
  2. 河钢集团承钢公司,承德,067002
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 June 2021，
  
  Online First：18 March 2022，
  
  Published：18 March 2022
- 稿件说明：
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Yin Weijiang, Li Jie, Wu Yanyang, et al. Microstructure and Mechanical Properties of 150 mm SA387Gr22C12 Steel Plate for Methanol Synthesis Tower[J]. Special Steel, 2022, 43(1): 93-96.
DOI：

Yin Weijiang, Li Jie, Wu Yanyang, et al. Microstructure and Mechanical Properties of 150 mm SA387Gr22C12 Steel Plate for Methanol Synthesis Tower[J]. Special Steel, 2022, 43(1): 93-96. DOI：

摘要

对 150 mm 厚 SA387Gr22C12 钢板( / % : 0．13 ～0．14C，0．09Si，0．55 ～0．56Mn，0．004P，0．001S，2．48 ～2． 49Cr，1．11～1．12Mo) 模拟焊后拉伸性能、－29 ℃ 冲击性能、金相组织及回火脆化倾向评定等进行试验，并检测了交货态(正火 + 回火) 、最小模拟焊后态、最大模拟焊后态及步冷试验后的钢板各项性能指标。结果表明，钢板的回火脆化倾向不明显，其结果 CvTr55 + 2．5ΔCvTr55 为－63 ℃，完全满足甲醇合成塔用钢板的技术要求。

Abstract

The simulated post-weld tensile property

-29 ℃ impact property

metallographic structure and temper embrittlement tendency evaluation of 150 mm thickness SA387Gr22C12 steel plate( /% : 0. 13 ～ 0. 14C

0. 09Si

0. 55 ～ 0. 56Mn

0. 004P

0. 001S

2.48 ~2. 49Cr

1.11～1. 12Mo ) are tested. The each property of steel plate with delivered state (normalizing + tempering )

minimum simulated post-weld state

maximum simulated post-weld state and step cooling test are measured. The results show that the temper embrittlement tendency of steel plate is not obvious

the resulf of CvTr55 +2. 5 Δ CvTr55 is -63 ℃

fully to meets the technical requirements of steel plate for methanol synthesis tower.

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