一种超高硬度锯片用钢及其制造方法
By using steel with specific chemical compositions and optimized manufacturing processes, the performance problems of diamond saw blades when cutting stone have been solved, achieving the manufacture of saw blades with high hardness, toughness, and environmental friendliness.
CN117512442BActive Publication Date: 2026-07-17BAOSHAN IRON & STEEL CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BAOSHAN IRON & STEEL CO LTD
- Filing Date
- 2022-07-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing diamond saw blades are prone to damage due to resonance, bending and fatigue when cutting stone, and the tempering heat treatment process is complex, energy-intensive and polluting.
Method used
Saw blade steel is designed with specific chemical compositions, including elements such as C, Si, Mn, Cr, V, Al, Ti, Ca, Mo, Ni, Cu, and RE. Combined with optimized manufacturing processes, including smelting, casting, heating, rolling, and offline heat treatment, air mist cooling is used to avoid oil quenching.
Benefits of technology
The steel for saw blades with ultra-high hardness and good toughness has been obtained, solving the performance problems of saw blades in the cutting process and realizing a low-cost, environmentally friendly manufacturing method.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure BDA0003772660440000071 
Figure BDA0003772660440000081
Abstract
本公开涉及锯片用钢及其制造方法。本公开的锯片用钢包含以质量百分比计的如下化学元素：C：0.76‑0.90％，Si：0.10‑0.60％，Mn：0.20‑0.80％，Cr：0.20‑1.00％，V：0.05‑0.50％，Al：0.010‑0.050％，Ti：0.005‑0.080％，Ca：0.0010‑0.0040％，以及选自Mo：0.10‑0.50％、Ni：0.50‑1.50％、Cu：0.20‑0.60％和RE：0.01‑0.08％中的一种以上，余量为Fe和不可避免的杂质。本公开的锯片用钢具有超高强度(洛氏硬度50‑60HRC，室温冲击韧性kv2为30‑60J)且硬度均匀，机械加工性和热稳定性优异，尤其适合用作金刚石锯片基体。本公开的制造方法包括冶炼、铸造、加热、轧制和离线热处理的步骤。本公开的制造方法通过对锯片用钢的制造工艺进行优化设计进一步改善了锯片用钢的力学性能。
Need to check novelty before this filing date? Find Prior Art