Aluminum profiles are mainly the product of the aluminum extrusion process, where an aluminum billet is passed through a die. The result — varying types of aluminum profiles that have wide uses across residential, industrial, and constructional spaces.
This is regarded as the easiest and fastest way to fix different aluminum profiles.
The benefits of using cast iron for spears lie in its inherent properties. Cast iron, known for its excellent castability, is resilient and suitable for manufacturing sharp, sturdy spearheads that can withstand the rigors of battle. The material's high carbon content contributes to its hardness, allowing for effective penetration without easily blunting. Moreover, the casting process enables the creation of complex shapes that traditional methods cannot replicate, leading to innovative spear designs tailored for specific combat contexts.
cast iron spear

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Historical Context
Conclusion