Analysis on Key Producing Process of Super304H Steel Tube for Ultra-Supercritical Electric Power Unit

彭芳芳; 朱国良; 宋建新

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Analysis on Key Producing Process of Super304H Steel Tube for Ultra-Supercritical Electric Power Unit

更新时间：2026-01-21

- Analysis on Key Producing Process of Super304H Steel Tube for Ultra-Supercritical Electric Power Unit
- Special Steel Vol. 29, Issue 3, Pages: 42-43(2008)
- 作者机构：
  
  1. 东方锅炉(集团)股份有限公司材料研究所,自贡,643001
  2. 江苏武进不锈钢管厂集团有限公司,常州,213111
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：10 November 2007，
  
  Online First：22 December 2022，
  
  Published：22 December 2008
- 稿件说明：
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彭芳芳, 朱国良, 宋建新. Analysis on Key Producing Process of Super304H Steel Tube for Ultra-Supercritical Electric Power Unit[J]. Special Steel, 2008, 29(3): 42-43.
DOI：

彭芳芳, 朱国良, 宋建新. Analysis on Key Producing Process of Super304H Steel Tube for Ultra-Supercritical Electric Power Unit[J]. Special Steel, 2008, 29(3): 42-43. DOI：

摘要

通过对国内外制造的600 MW以上的超(超)临界发电机组用Super304H钢(%:0.07～0.13C、17.0～19.0Cr、7.5～10.5Ni、0.001～0.010B、0.3～0.6Nb、2.5～3.5Cu、0.05～0.12N)管材的制造工艺和质量分析

得出为获得较好的高温力学性能和耐腐蚀性

最佳的成分控制为:≤0.08%C、≤3.0%Cu、0.0002%S、Nb/C≥5、Nb/(C+N)≥2。文中叙述了Super304H钢管的热处理

冷加工变形量

喷丸等关键工艺。

Abstract

With analysis on producing process and quality of Super304H(0.07～0. 13C

17.0～19.0Cr

7.5~ 10.5Ni

0.001~0.010B

0.3~0.6Nb

2.5~3.5Cu

0.05~0. 12N)steel tube for more than 600 MW ultra- supercriti- cal electric power unit made at home and abroad

it is obtained that in order to get better high temperature mechanical prop- erties and corrosion resistance

the optimum chemical composition control is ≤0.08C

≤3.0Cu

0.0002S

Nb/C≥5

Nb/(C+N)≥2.The key processes such as heat treatment

cold working deformation and shot peening for Super304H steel tube are presented in this article.

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