Hardened Pipe Blueprint Hardened Pipe Blueprint is a level 6 metal component blueprint. Construction Ingredient Amount TT MU (%) Total Oil 1 0.02 0.02 Zinc Ingot 1 0.30 0.30 Sum: 0.32 PED 100.0% 0.32 PED Product: Hardened Pipe Acquisition No acquisition data available for this item.