... grade:ni200,ni201 standard:gb/t2054,astm b162 size:T0.5-30mmxW500-2000xL1000-6000MM Nickel plate,nickel sheet, nickel slabgrade:N4,N6,N5(NW2201),N7(NW2200),NCU30(NW4400 ... ),NI200,NI201standard: gb/t2054, astm b162density:8.9g/m3size:T0.5-30mmX ...