| 20G高压锅炉管压扁开裂原因分析 |
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| 引用本文： | 严军山. 20G高压锅炉管压扁开裂原因分析[J]. 四川冶金, 2010, 32(1): 47-49 |
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| 作者姓名： | 严军山 |
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| 作者单位： | 攀钢集团成都钢钒有限公司,成都,610303 |
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| 摘 要： | 20G厚壁高压锅炉管在按标准要求进行压扁检测时出现批量开裂现象,对其断口形貌、化学成分、力学性能、显微组织等进行检测,结果表明开裂是由于热处理工艺不当,铁素体没有完全奥氏体化所致,对此类厚壁高压锅炉管提出了相关切实可行的热处理工艺措施。
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| 关 键 词： | 20G高压锅炉管 压扁 开裂 原因分析 |
CRACKING ANALYSIS IN FLATTENING TEST FOR 20G HIGH PRESSURE BOILER PIPES |
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| Yan Junshan. CRACKING ANALYSIS IN FLATTENING TEST FOR 20G HIGH PRESSURE BOILER PIPES[J]. Sichuan Metallurgy, 2010, 32(1): 47-49 |
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| Authors: | Yan Junshan |
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| Affiliation: | Yan Junshan(Pangang Group Chengdu Steel &Vanadium Co.,Ltd,Chengdu 610303,China) |
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| Abstract: | After flattening test was performed on 20G high pressure boiler pipes according to relevant standards,cracks were found a quantity of pipes.By inspecting fracture shapes,chemical compositions,mechanical properties and micro structures,the cause for cracking was revealed as an inappropriate heat treatment process which resulted in incomplete austenization of ferrite.Then an applicable heat treatment process for this type of heavy wall thickness high pressure boiler pipes is put forward. |
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| Keywords: | 20G high pressure boiler tube flattening cracking cause analysis |
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