Thepatentingprocessofthreehot-rolledsteelswithcarbonmasscontentsof0.70%-0.90%wasstudied.Theeffectofthequenchingtemperatureonthecementitelamellardistanceinthesteelwasevaluatedonthebasisofmicrostructuralcharacterizationandmechanicalpropertytests.Thepatentingtreatmentofhigh-carbonhot-rolledstripanditsapplicationinspringswerediscussed.