含硼冷镦钢10B21的生产实践

Research and Practice of 10B21 Cold Heading Steel Production

为满足市场需求,走进高端汽车冷镦钢行业,提高马钢产品质量,通过对盘条的化学成分、加热制度和控轧控冷等工艺进行研究,成功开发出用于生产8.8级及以上高强度标准件、规格为10mm10B21含硼冷镦钢热轧盘条。生产实践表明,其实物力学性能、金相组织、表面质量和冷镦性能均可达到标准要求,能够满足用户的生产需求。

In order to meet the market demands,enter cold heading steel sector for high-level cars and improve product quality,Φ10mm 10B21 hot rolled wire rod of boron-containing cold heading steel for production of more than 8.8 grade standard components is successfully developed through studying the chemical composition of wire rod,heating system,controlled rolling and cooling process.Practice shows that the cold heading steel has obtained excellent mechanical property,microstructure,surface quality and cold heading performance,which can satisfy the requirements of consumers.