H13 Hot work tool steel, DIN 1.2344, ASTM A681, SAE J467, UNS T20813
H13 is a chromium-molybdenum-vanadium hot work tool steel as per ASTM A681 standard.It has good resistance to abrasion at low and high temperature,good toughness, and good resistance to thermal fatigue cracking (also known as heat checking).H13 provides excellent machinability with constant hardness during production activities,and also has excellent through-hardening properties and very limited distortion during hardening.