具有均匀变形性能的高碳钢盘条及制造工艺
By controlling the chemical composition and manufacturing process of high-carbon steel wire rod, especially by using low manganese content and high air-cooling rate, the austenite grains are refined and homogenized, thus solving the problem of uniform deformation performance of high-carbon steel wire rod and improving its drawing and stranding properties.
CN116695014BActive Publication Date: 2026-07-17ANGANG STEEL CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ANGANG STEEL CO LTD
- Filing Date
- 2023-05-30
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies have failed to effectively solve the problem of uniform deformation performance of high-carbon steel wire rod, affecting its drawing and stranding properties and failing to meet the quality requirements of metal product manufacturers.
Method used
By controlling the chemical composition and manufacturing process of high-carbon steel wire rod, the austenite grain size is ensured to be 5μm~22μm with a standard deviation ≤5.8μm. Low manganese content design and high air cooling rate are adopted to refine and homogenize the wire rod grains.
Benefits of technology
It achieves uniform deformation performance of high carbon steel wire rod, meets users' requirements for drawing and stranding performance, and improves the deep processing capability of wire rod.
✦ Generated by Eureka AI based on patent content.
Abstract
本发明公开了具有均匀变形性能的高碳钢盘条及制造工艺，盘条化学成分按质量百分比计如下：[C]0.79％～0.84％，[Si]0.20％～0.30％，[Mn]0.40％～0.50％，[P]≤0.010％，[S]0.0030％～0.010％，全氧0.0008％～0.0022％，[Als]0.0002％～0.0012％，[Mg]0.0002％～0.0012％，[Nb]0.0001％～0.0009％，[Mo]0.0003％～0.0012％。制造工艺包括钢液冶炼和连铸，连铸坯加热和轧制，连轧坯加热，盘条轧制，盘条冷却。本发明通过低锰含量设计，控制轧制过程轧件晶粒尺寸，使盘条奥氏体晶粒尺寸为5μm～22μm，标准差≤5.8μm，满足用户对高碳钢盘条的均匀变性能要求。
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