name ADM-1 ADM-2 MO ≥56 ≥56 Si ≤0.0006 ≤0.001 Al ≤0.0006 ≤0.0008 Fe ≤0.0006 ≤0.0008 Cu ≤0.0003 ≤0.0005 Mg ≤0.0006 ≤0.0010 Ni ≤0.0003 ≤0.0005 Mn ≤0.0003 ≤0.0006 P ≤0.0005 ≤0.0005 K ≤0.01 ≤0.08 Na ≤0.001 ≤0.003 Ca ≤0.0008 ≤0.001 Pb ≤0.0005 ≤0.0005 Sn ≤0.0005 ≤0.0005 W ≤0.020 ≤0.080