【摘要】 介绍了EAF-CSP流程采用单一铌微合金化技术开发的X65管线钢。开发的X65管线钢力学与工艺性能均满足API SPEC 5L标准和用户采购技术条件的要求,同时具有良好的常温、低温韧性和焊接性能。试制钢得到了用户的认可并被广泛应用。更多还原

【Abstract】 The X65 pipeline steel was developed by applying single niobium microalloying technology in EAF-CSP process.The mechanical and process properties of X65 pipeline steel met API SPEC 5L standard and technology agreement of users.The steel has better low temperature toughness and welding performance.The tested steel was recognized by the users and used widely.更多还原