Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company

SUN Changhai; GUO Linhai; MA Haitao; WU Yan

doi:10.3969/j.issn.0438-1157.2013.z1.024

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Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company

更新时间：2025-12-10

- Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company
- CIESC Journal Issue S1, Pages: 159-164(2013)
- 作者机构：
  
  1. 大连理工大学电气工程学院,辽宁,大连,116024
  2. 大连理工大学材料科学与工程学院,辽宁,大连,116024
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.z1.024
  CLC： E966TG142.73
- Online First：30 December 2013，
  
  Published：30 December 2013
- 稿件说明：
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SUN Changhai, GUO Linhai, MA Haitao, et al. Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company[J]. CIESC Journal, 2013, (S1): 159-164.
DOI：

SUN Changhai, GUO Linhai, MA Haitao, et al. Analyze on rupture HP40Nb steel tubes from hydrogen production reformer furnace of petroleum company[J]. CIESC Journal, 2013, (S1): 159-164. DOI： 10.3969/j.issn.0438-1157.2013.z1.024.

摘要

采用宏观检查、化学成分分析、金相组织、扫描电子显微镜、力学性能测试方法对某石油公司制氢车间试车运行仅18 h即发生破裂的HP40Nb钢制氢转化炉炉管进行了分析。结果表明：炉管破裂失效的主要原因是高温蠕变破裂，严重超温是导致蠕变发生的直接原因。

Abstract

Hydrogen production reformer furnace tubes made of cast austenitic alloy steels serve in the temperature range of 1073—1173 K and pressure around 3—4 MPa. Though the design life is about 100000 h

premature failures within 3—8 years are more common

mainly caused by premature creep induced by overheating. The cast tube material undergoes microstructural changes with service exposure and as a consequence

degradation in strength. The methods of macro inspection

chemical analysis

microstructure

scanning electron microscope and mechanical properties testing were used to analyze on the rupture HP40Nb steel tubes from a hydrogen production reformer furnace of one petroleum company when they were used only 18 h during the test run.The rupture life was very short and needed to find the reason

in case the similar incidents. The results show that the reason of failure for the furnace tubes is high temperature creep rupture and over temperature seriously is the direct reason.

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