Annealing is a heat process whereby a metal is heated to a specific temperature /colour and then allowed to cool slowly.This softens the metal which means it can be cut and shaped more easily. Mild steel, is heated to a red heat and allowed to cool slowly.The three stages of the annealing process that proceed as the temperature of the material is increased are:recovery, recrystallization, and
Structural steel - China Wanlutong Metal MaterialsItem Structural steel Standard AISI, ASTM, JIS, DIN, EN, GB, etc. Material 20Mn2,SMn420,1524,20Mn5,SMn433,1330,1335, 1340,40B,50B,50B50,81B45,38MnB5,20X,5120, - PDF · Translate this page Metal Place. , .