What Material Are Padlocks Made Of? In today's security-conscious world, padlocks are a fundamental tool used to safeguard personal and commercial assets. However, choosing the right padlock requires understanding the materials used in their construction. This article delves into the materials that make up padlocks, their unique properties, and how they impact the lock's durability, strength, and resistance to tampering. Whether you're securing a locker, a shed, or high-value equipment, knowing the material composition of your padlock can help you make a more informed decision.