X100直缝埋弧焊管制造技术研究  

Research of X100 LSAW Steel Pipe Manufacture Technique

作　　者：李延丰 李志华 

机构地区：[1]华北石油钢管厂,河北青县062658 [2]巨龙钢管有限公司,河北青县062658

出　　处：《焊管》2007年第2期44-47,共4页Welded Pipe and Tube

摘　　要：采用JCOE制管技术试制了X100级直缝埋弧焊(LSAW)钢管,研究了X100级钢板力学性能的变化,X100级钢板的JCOE成型特点,钢板的焊接性,热影响区的软化,不同试样的对比拉伸试验,焊接材料的匹配,焊接热输入量对焊接接头的硬度、强度和韧性的影响,提出了优化钢板强度和微合金化的建议。This paper compared the mechanical properties of pipeline steel plate with the mechanical properties of the JCOE pipe,introduces the JCO forming characteristics of X100 material,weldability of plate,softening of HAZ (Heat Affected Zone),comparison of different tensile specimens,effect of different welding consumable matches and different welding heat input on hardness,strength and toughness of weld joint.Recommendations are given on strength optimization and alloying of steel plate.

关 键 词：X100钢级 直缝埋弧焊钢管 制造技术 研究 

分 类 号：TG335.75[金属学及工艺—金属压力加工]