Structure and Performance of Developed SA-516Gr65 HIC-Resistant Steel Plate for Pressure Vessel in Petrochemical Industry

Zheng Jianping; Wu Riming; Xiang Shaosong

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Structure and Performance of Developed SA-516Gr65 HIC-Resistant Steel Plate for Pressure Vessel in Petrochemical Industry

更新时间：2025-10-28

- Structure and Performance of Developed SA-516Gr65 HIC-Resistant Steel Plate for Pressure Vessel in Petrochemical Industry
- Special Steel Vol. 43, Issue 1, Pages: 86-89(2022)
- 作者机构：
  
  上海工程技术大学材料工程学院,上海,201600
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：27 May 2021，
  
  Online First：18 March 2022，
  
  Published：18 March 2022
- 稿件说明：
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Zheng Jianping, Wu Riming, Xiang Shaosong. Structure and Performance of Developed SA-516Gr65 HIC-Resistant Steel Plate for Pressure Vessel in Petrochemical Industry[J]. Special Steel, 2022, 43(1): 86-89.
DOI：

Zheng Jianping, Wu Riming, Xiang Shaosong. Structure and Performance of Developed SA-516Gr65 HIC-Resistant Steel Plate for Pressure Vessel in Petrochemical Industry[J]. Special Steel, 2022, 43(1): 86-89. DOI：

摘要

开发的SA-516Gr65钢板(12.70～28.58 mm)(/%:0.13C

0.26Si

0.89Mn

0.006P

0.000 7S

0.33Ni

0.062Alt)经150 t BOF-LF-RH-CC-TMCP流程生产。结果表明

经880～910℃正火后钢板屈服强度344～417 MPa

抗拉强度485～500 MPa

-50℃冲击功167～292 J

满足标准要求。钢中非金属夹杂物主要为球状氧化物

大小在10μm内;氢致开裂敏感性试验后

未观察到裂纹

其裂纹长度百分比(CLR)、裂纹厚度百分比(CTR)、裂纹敏感百分比(CSR)平均值均为0

满足MESC SPE 74/125标准;钢板显微组织主要为珠光体+铁素体

晶粒均匀细小。

Abstract

The developed 12. 70 ~ 58. 58 mm SA-516Gr65 steel plate ( /% ： 0. 13C

0. 26Si

0. 89Mn

0. 006P

0.000 7S

0. 33Ni

0. 062Alt ) is produced by 150 t BOF-LF-RH-CC-TMCP flow sheet. Results show that of the steel plate normalized at 880 ~910 ℃

the yield strength 344 ~417 MPa

tensile strength 485 - 500 MPa

-50 ℃： impact energy 167 ~292 J

to meet the requirement of specification. The non-metallic inclusions in steel are mainly consisted of spherical oxide inclusions

and the size is less than 10 μm. After hydrogen induced cracking ( HIC ) test

no cracks are observed on the specimen

and the average values of CLR ( cracking length ratio )

CTR ( cracking thickness ratio ) and CSR ( cracking sensitivity ratio ) are zero

it is up to the MESC SPE 74/125 technical specification. The main microstructure of the steel plate is pearlite and ferrite

and the grains are refined and dispersed uniformly.

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