it could be printed by modern printing technique and shaped to provide protection  Alloy 8011 8021 8079 1235 1145 1100Temper H18 or O8 Series state H18 Tensile strength>175 MPa   Elongtation >2.5%1 Series state H18 Tensile strength>150 MPa   Elongtation >2.5%8 Series state O     Tensile strength>85 MPa    Elongtation >3.5%Thickness (usual)0.020mm~0.025mm   Tolerance +/-4%Width 300 to 1500mmTolerance +/- 1.0 mmI.D  : 75 mm/76mm/ 150 mm/152mm  according to required .  O.D:  as requested.Testing standard  GB/T 6987   GB/T228   YS/T455.4  YS/T455.3 ( A )