钨能进步钢的红硬性和热强性，并能进步钢的耐磨性。
Tungsten can improve the hardness and thermal strength of steel, and can improve the wear resistance of steel.
与锻造模具钢相比，铸造热锻模具钢虽然韧性低，但强度高、红硬性好，具有较低的缺口敏感性和较高的抗热疲劳性。
Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.
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