Steam oxidation behaviour of Tempaloy A-3 steel tube at 650℃

TANG Liying; WANG Bohan; ZHOU Rongcan; HOU Shufang

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Steam oxidation behaviour of Tempaloy A-3 steel tube at 650℃

更新时间：2025-09-28

- Steam oxidation behaviour of Tempaloy A-3 steel tube at 650℃
- Thermal Power Generation Vol. 43, Issue 9, Pages: 102-107(2014)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 西北工业大学材料学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.11
- Published：2014
- 稿件说明：
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TANG Liying, WANG Bohan, ZHOU Rongcan, et al. Steam oxidation behaviour of Tempaloy A-3 steel tube at 650℃[J]. Thermal power generation, 2014, 43(9): 102-107.
DOI：

TANG Liying, WANG Bohan, ZHOU Rongcan, et al. Steam oxidation behaviour of Tempaloy A-3 steel tube at 650℃[J]. Thermal power generation, 2014, 43(9): 102-107. DOI：

摘要

对Tempaloy A-3钢管在650℃下进行了1 000h的蒸汽氧化试验

通过分析钢管内壁氧化层物相、微观组织和微区成分

研究了钢材的蒸汽氧化行为。结果表明

该材料氧化层为双层结构

外层为Fe3O4

内层以Cr2O3为主;初始保护性氧化层形成以后

在随后的氧化过程中生长缓慢;Tempaloy A-3在650℃下的抗蒸汽氧化性能明显优于TP347HFG

同时具有良好的高温强度和时效韧性

可替代HR3C用于高温受热面。

Abstract

The results from steam oxidation test on Tempaloy A-3 tube at 650℃for up to 1 000 hshow that the oxide scale of Tempaloy A-3 was with two-layer structure:Fe3O4 outer layer and Cr2O3 inner layer.The protective oxide scale was formed at early stage of oxidation

then it grew slowly in the subsequent oxidation process.The steam oxidation resistance of Tempaloy A-3 was obviously better than that of TP347 HFG.In addition

the Tempaloy A-3 had good high temperature strength and aging toughness

therefore it could be a substitute for HR3 Cin high temperature heating environments.

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