E1E2F1F2M1M2 stainless steel standard weights

JF1 non-magnetic stainless steel standard weight material susceptibility ≤0.0006 material density = 8.00g / cm3 Grade: E1, E2, F1 standard value: 1mg-20kg standard weight, non-magnetic stainless steel material susceptibility ≤0.01 material density = 7.94g / cm3 Grade: E1, E2, F1 standard value: 1mg-20kg standard weight material 2Cr13 stainless steel magnetic susceptibility ≤0.05 material density = 7.85g / cm3 rating: F1, F2, M1 standard values: 1mg-25kg