... ≥3200≥89.5Suitable for plates to make die blanksYL9013.50—13.70≥2500≥82.5With high strength and toughness, suitable for ... wear parts, tools(such as muzzles, grinders, drills ect.)YG1513.90—14.20≥2700≥86.5Suitable for drawing dies to draw ... compression ratio, also for heading dies, drills etc.YG2013.40—13.70≥2480≥84.5Suitable for punching and heading diesOther grades ...