... ,2.Annealing, tempering, quenching, normalizing plus tempering, quenching and tempering,3. Other delivery states are available as customers’ ... used in Building,structure,motorcycle bodywork steel nails,rivets,bolts and iron wire,etc. 2>.Q255, Q275 high strength, but ... % ~ 0.22%, with high strength, good plasticity and toughness and weldability, comprehensive performance is good,socan meet general steel ...