理化检验-物理分册2016，Vol.52Issue(5)：300-302,323,4.DOI:10.11973/lhjy-wl201605003
不同标准20钢管韧脆转变温度的测定
Measurement of Ductile-brittle Transition Temperature of 20 Steel Pipes up to Different Standards
吴开斌 1姚勇1
作者信息
- 1. 武汉市锅炉压力容器检验研究所，武汉 430021
- 折叠
摘要
Abstract
20 steel pipes used in ammonia refrigeration system is generally in the state of low temperature and low stress conditions,while only the property at room temperature is considered.To prevent the brittle fracture of 20 steel pipes at low temperature,the ductile-brittle transition temperature (DBTT)is needed to be determined.Charpy impact tests at series of low temperature were carried out to determine the DBTT of 20 steel pipes up to different material standards.The test results of 20 steel pipes up to different standards were compared and discussed.The results show that:the ductile-brittle transtion temperature of 20 steel pipes up to different domestic material standards was between -15 ℃ and-2 5 ℃,which could be referenced to set the lower limit of using temperature.关键词
20 钢管/韧脆转变温度/低温冲击试验/材料标准Key words
20 steel pipe/ductile-brittle transition temperature/low temperature impact test/material standard分类
矿业与冶金引用本文复制引用
吴开斌,姚勇..不同标准20钢管韧脆转变温度的测定[J].理化检验-物理分册,2016,52(5):300-302,323,4.
