1085 Carbon Steel Round Wire Material Carbon Steel Material Grade 1085 Feet Per Pound 171 ft/lb Heat Treatment Spring Tempered Includes Material Certificate No Overall Length 36 in Shape Round Wire Standards ASTM A228 Thickness 0.047 in Thickness Tolerance +/-0.001 in Tensile Strength 306 000 psi Application Manufacturing Custom Size Springs Package Type Tube Package Weight 0.7 lb System of Measurement Inch Package Quantity 20