... aviation ,vehicles etc.. medium and small size rod & bar productVarietyAlloyTemperDiameter(mm)Adopted StandardRod &bar2x,4x,6x,7x seriesH112,F ... 120GB/T3191GJB20541x,3x,5x seriesH112,O,Flarge size Rod & bar productVarietyAlloyTemperDiameter(mm)Adopted StandardRod & bar1x~7x seriesH112,F50~ ... of aviation industry.alloys 2xxx,3xxx,5xxx,6xxx,7xxx series are wide-spread applied in automobile, metro, light ...