余热处理钢筋冷、反弯裂纹及消除措施的研究

RESEARCH ON BEND AND RE-BEND CRACK AND ELIMINATING MEASURES OF HEAT TREATMENT RIBBED STEEL BARS

针对应用轧后余热处理工艺生产的大规格英标钢筋所存在的冷弯和反弯裂纹问题作了较为系统的研究 ,并根据研究结果 ,提出了明确可行的技术措施和工艺改进方案。

Systemic research on cracking during bend and re bend test for big size bars produced with heat treatment has been done According to the research results,the definite and feasible technical measures and process modifications are put forward