Annealed spring steel can be utilized in any number of applications, making it an exceptional general use steel. Our annealed spring steel is available in thicknesses ranging from 0.010 to 0.187. Commonly Stocked Annealed Spring Steel AISI 1050. Our AISI 1050 annealed spring steel Tempered Spring Steel - 1075, 1095 & 1050 Lapham-Hickey Lapham-Hickel Steel stocks the largest selection of tempered spring steel in the country in multiple sizes. Grades 1050, C1074/75, C1095. Contact us today!