carburised steels
Aluminium
I do think that steel is the perfect material to use.......
carbon steele
Carbon Fibre
Metallic Gasket
Styrofoam and paint.
it is durable and the material is somewhat cost-effective.
Anything that isn't a "forbidden material" for road transport is suitable for road transport.
En 9 material composition
No as titanium is not a suitable material for blades .
Kirksite Alloy #2