How do aluminum carabiners compare to steel ones?

Aluminum carabiners are commonly known for being lighter than their steel counterparts due to the differences in the material density. Aluminum has a lower density compared to steel, which contributes to the overall weight difference. This reduced weight makes aluminum carabiners especially advantageous in activities like climbing, hiking, and search and rescue operations, where keeping gear light can be crucial for mobility and endurance.

While aluminum carabiners can be just as strong as steel in terms of load capacity depending on the design and construction, they are typically not as durable as steel when it comes to impact resistance and wear. Therefore, while the other options may highlight aspects that are true in specific contexts, the significant factor regarding weight emphasizes why aluminum carabiners are preferred in scenarios where reducing weight is essential.