H13 China forged steel bar Large stocks. Competitive price. Good heat intensity and hardness Fine tenacity... H13 die steel 1.Specification:Round( ... sizes are also available.2.Charateristics: a. Hot work steel with dry hardening,have upper hot intensity and rigidity, under ... magnesium and copper, alloy and so on. 4.Delivered Condition: forged, annealed, black(ground or peeled )surface 5.Toughness: max ...