A steel pallet is made of top quality cold rolled steel, surface treatment can be galvanized or powder coated as below.
Galvanized: Roll form → oil cleaning → water rinse → rust cleaning → water rinse → phosphorization → galvanization
Epoxy powder coated: form → oil cleaning → water rinse → rust cleaning → water rinse → solidification
To design a steel pallet you`d better have following information in mind.
The drawing of your warehouse showing length, width, net height, pillars and doors location.
The width of forklift's walking way.
Forklift`s lifting height.
Pallet's length, width, loaded height, loaded weight.