... bright, black or polished 3)Shape: round,flat,bar DC11 Stainless steel bar Specification:DC11 Grade: stainless steel Standard: AISI, ASTM ... tempreture:1000-1050 °C 5.Surface Quality: Black Surface/Grinding Surface/Roughing/Finish Machining 6.State as delivered:annealing≤ ... the chemical industry envioronment protection, 3. the stainless steel bar are used in the heat-preservation, medical appliance , 4 ...