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φ40mm英标460MPa级余热处理钢筋的几个问题探讨
SOME PROBLEMS OF BS 460 TEMPCORE REBARS 40 mm IN DIAMENTER
【摘要】 通过莱钢生产 40 mm英标 46 0 MPa级余热处理钢筋的生产工艺介绍 ,分析了生产中遇到的冷弯开裂、时效敏感及工艺参数控制较难等问题的原因。提出了解决的具体措施及生产 40 mm英标 46 0 MPa级钢筋的几种途径。
【Abstract】 This paper introduces production process of BS 460 tempcore reinforced bars at Laiwu Iron and Steel Group Co , Ltd The cold bending cracking,ageing susceptibility and difficulty in control of process parameters are analyzed, and improvement measures are put forward Some production routes of producing BS 460 reinforced bars are pointed out
【关键词】 余热处理;
大规格钢筋;
英标;
冷弯裂纹;
时效;
【Key words】 tempcore process; large norms reinforced steel bars; British standard; cold bending cracking; ageing?;
【Key words】 tempcore process; large norms reinforced steel bars; British standard; cold bending cracking; ageing?;
- 【文献出处】 钢铁 ,Iron and Steel , 编辑部邮箱 ,2000年12期
- 【分类号】TF76
- 【被引频次】16
- 【下载频次】93