Which Steel Strip Is Best for Roller Shutter Door Springs?

Roller shutter doors rely heavily on their spring systems to operate safely and smoothly. Whether used in commercial warehouses, garages, or industrial loading bays, the spring is responsible for counterbalancing the door’s weight — allowing it to open and close effortlessly. Because these springs experience constant torsion, cycling, and stress, selecting the right steel strip […]
Annealed Steel Strip vs Quenched & Tempered: What’s the Difference in Heat Treatment?

Introduction If you’re in manufacturing or materials sourcing, you’ve likely encountered both annealed steel strip and quenched & tempered steel strip. While both are types of heat treated steel, they serve very different functions depending on the mechanical requirements of your end product. This article breaks down the differences between these two processes and helps […]