... (0.03-30)*(300-600)*L 2.Grade:N2 N4 N6 N8 3.Standard: GB/T2072-93 ASTMB162 1.Size:thkness ... (0.03-30)*(300-600)*L2.Grade:N2 N4 N6 N83.purity: 99.9% 99.95%4.Standard: GB/T2072 ... custom-made sizes are also available Pure nickel refers to N6 by Chinese grade, its American grade is USN NO200/NO201 ... N201.If you have any questions, please contact us directly. N6 plates