PRODUCT NATURE: 1. RESISTS SOFTNESS NUDER HIGH TEMPERATURE 2. GOOD WEAR RESISTANCE 3. MACROSTRUCTURE REACHES ASTM A561RATING PRODUCT SPECIFICATIONS(MM):38,45,50,55,60,65,70,75,80,85,90,95,100STEEL GRADES:PLASTIC DIE STEEL,COLD WORK DIE STEEL,HOT WORK DIE STEEL,HIGH SPEED STEEL,AND OTHER ALLOY STEEL. squares steel/HSS square steel/ HSS die square steel