20mm HRC

ElementSpecificationC0.035 / 0.070P0.020 (Maximum)Mn0.16/0.26Si0.020 (Maximum)S0.020 (Maximum)Al (T)0.020 / 0.070N0.0065 (Maximum)Cu0.08 (Maximum)Ni0.08 (Maximum)Cr0.03 (Maximum)Sn0.02 (Maximum)Nb0.002 (Maximum)V0.005 (Maximum)End UseASTM A653 CSTypeGradeYield strengthTensile strengthChinaReL/MpaRm/MpaCommonDC01140~280270~410DrawDC03140~240270~370Deep drawDC04120~210270~350Special deep drawDC05120~180270~330Deeper drawDC06110~170270~330Special deeper drawDC07100~150250~310Nominal thicknessAllowable deviation of thickness at the following width (PT.A accuracy)The thickness of the following width allowed difference (PT.B accuracy)Notes≤1200＞1200~1500＞1500≤1200＞1200~1500＞1500≤0.40±0.04±0.05±0.06±0.025±0.035±0.0451.Allowable deviation of thickness for steel plate and strip with minimum yield strength