2.2mm 72A High-Carbon Car-Seat Spring Steel Wire

This product is a 2.2mm 72A automotive seat spring steel wire, which belongs to the category of high-carbon steel wire. Selected from high-quality high-carbon steel raw materials, it is processed through precise cold drawing technology. The hardness is stable up to 72A grade, and the tensile strength is precisely maintained within the standard range of 1250-1550MPa, with solid and reliable performance.   It is specially designed for medium and high-strength springs and hardware accessories, and has excellent compatibility in the automotive parts field. It can be used in key parts such as car seat support systems and door limiters. With superior materials and craftsmanship, it provides long-lasting elasticity, ensuring stable load-bearing performance and coping with various dynamic pressures during vehicle operation.   At the same time, it is also applicable to scenarios such as the adjustment mechanism of office furniture and the elastic components of fitness equipment. We not only sup…