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VN及VN+Mo复合微合金化HRB500E高强抗震钢筋生产实践 被引量:2

Production of High-strength Aseismatic Rebar HRB500E Multi-microalloyed with VN or VN + Mo
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摘要 为了提高抗震钢筋HRB500E的强度与屈强比,保证其抗震性能,针对攀成钢棒、线材机组生产实际条件,采用不同微合金化方式,不同轧后冷却工艺,进行了HRB500E高强抗震钢筋生产实践。高线机组生产D6—12mm规格钢筋时,采用钒氮微合金化,添加0.08%-0.11%的V,V/N接近4:1,轧后斯太尔摩风冷工艺;棒材机组生产D14~40mm钢筋时,采用钒氮+钼复合微合金化,添加0.06%~0.12%的V,V/N接近4:1,0.03%-0.05%的Mo,轧后自然冷却。结果表明:生产的HRB500E获得了高的强度和良好的抗震性能,相关指标满足国家标准和用户的要求。 In order to increase the strength and yield strength-to-tensile strength ratio of the aseismatic rebar, high-strength aseismatic rebar HRBS00E was produced by employing different microalloying way and cooling process after rolling according to practical production conditions of bar and wire rod units in Pan- gang Group Chengdu Steel & Vanadium Co. Ltd. When 0 6 - 12 mm HRB500E was produced by high speed wire mill, the steel was micro-alloyed by VN and Stelmor wind cooling process was adopted. After 0.08%-0. II% of Vwas added to the steel, V to N ratio was close to 4:1. When 0 14-40 mm HRBS00E was produced by bar mill, the steel was micro-alloyed by VN + Mo, and natural cooling was a- dopted. 0.06% -0.12% V and 0.03% -0.05% Mo were added to the steel, and V to N ratio was close to 4:1 after the addtion. The results show that the rebar HRB500E so produced is of high strength and good anti-seismic properties, and satisfies the national standards and client requirements.
作者 王洪利 李义长 赵如龙 樊毅 李荣华 Wang Hongli, Li Yichang, Zhao Rulong, Fan Yi, Li Ronghua (Pangang Group Chengdu Steel & Vanadium Co. , Ltd. , Chengdu 610303, Sichuan, China)
出处 《钢铁钒钛》 CAS 北大核心 2014年第1期59-63,共5页 Iron Steel Vanadium Titanium
关键词 抗震钢筋 HRB500E 复合微合金化 VN VN+Mo 强度 强屈比 aseismatic rebar, HRB500E, multi-microalloying, VN, VN + Mo, strength, yield strength-to- tensile strength ratio
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