Oxidation Resistance of a New High Silicon Austenite Heat Resistant Steel TD305B at Elevated Temperature

白晋钢; 郭宏钢; 王明涛

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Oxidation Resistance of a New High Silicon Austenite Heat Resistant Steel TD305B at Elevated Temperature

更新时间：2026-01-21

- Oxidation Resistance of a New High Silicon Austenite Heat Resistant Steel TD305B at Elevated Temperature
- Special Steel Vol. 33, Issue 6, Pages: 43-45(2012)
- 作者机构：
  
  山西太钢不锈钢股份有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 May 2012，
  
  Online First：29 September 2022，
  
  Published：29 September 2012
- 稿件说明：
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白晋钢, 郭宏钢, 王明涛. Oxidation Resistance of a New High Silicon Austenite Heat Resistant Steel TD305B at Elevated Temperature[J]. Special Steel, 2012, 33(6): 43-45.
DOI：

白晋钢, 郭宏钢, 王明涛. Oxidation Resistance of a New High Silicon Austenite Heat Resistant Steel TD305B at Elevated Temperature[J]. Special Steel, 2012, 33(6): 43-45. DOI：

摘要

采用增重法研究了高硅奥氏体耐热不锈钢TD305B(/%:0.05C、3.30Si、0.80Mn、19.50Cr、13.30Ni、0.05N)和传统耐热不锈钢SUS310S(/%:0.05C、0.60Si、0.80Mn、24.60Cr、19.10Ni、0.05N)在500～1 000℃空气中氧化性能

通过扫描电镜及能谱分析(EDS)对试样表面氧化膜的形貌进行了分析。结果发现

在700～1 000℃新型高硅耐热不锈钢TD305B较传统耐热不锈钢SUS310S抗氧化性好

主要是由于TD305B钢除了在高温时基体与氧容易形成FeO·Cr

和FeCr

、NiCr

等保护性氧化膜外

还由于含有一定量的硅

在距表面20μm处形成了一层SiO

阻止了氧化的进一步加剧

使得TD305B钢具有良好的耐高温氧化性能。

Abstract

The oxidation resistance of a new high silicon austenite heat resistant stainless steel TD305B (/% : 0. 05C

3. 30Si

0. 80Mn

19. 50Cr

13. 30Ni

0. 05N) and a traditional heat resistant stainless steel SUS310S (/% : 0. 05C

0. 60Si

0. 80Mn

24. 60Cr

19. lONi

0. 05N) at 500 〜1 000 ℃ air atmosphere has been studied by weight gain method

and an analysis on morphology of surface oxide film of sample is carried out by scanning electron microscope and energy dispersive X-ray spectrometer (EDS). It is found that at 700 〜1 000℃ the oxidation resistance of the new high silicon heat resistant steel TD305B is better than that of the traditional heat resistant austenite steel SUS310S

besides at elevated temperature the matri

x of steel easily reacts with oxygen to form a protective oxide film including FeO • Cr

and FeCr

- NiCr

because the new steel TD3O5B has a definite amount silicon

a layer of SiO

is formed at distance of 20 μm from surface to inhibit further oxidation

as a result the steel TD3O5 B has a better oxidation resistance at elevated temperature.

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