75S Steel Certified Reference Material

75S Carbon Steel Certified Reference Material (CRM) This 75S certified reference material is a carbon steel widely used as a standard for calibrating and verifying your spectrometer (XRF, ICP-OES, Spark-OES, etc.). This material is precisely manufactured and certified to have traceable measurements and specified impurity levels, ensuring reliable results for laboratories performing calibration, quality control, and materials testing. Certified 75S Carbon Steel Chemical Composition:  Element Composition Fe Balance C 0.317% Al 0.002% Sb 0.0027% As 0.005% B 0.0009% Ca 0.0019% Cr 0.159% Co 0.006% Cu 0.33% Mn 1.40% Mo 0.021% Ni 0.28% N 0.023% O 0.006% P 0.009% S 0.021% Si 0.42% Sn 0.016% Ti 0.0016% W 0.003% V 0.124%   Available material forms: XRF: ~1/8" thick d