... nickel-copper alloys Current density Electrolyte composition Applicable alloys A/cm2 A/in.2 Nickel 200 1. 4-1 .5 9-1 0 Nickel 270 1. 5-1 .8 1 0-1 2 Duranickel 301 1.2 5-1 .5 8-1 0 37 ... typical banding. ASTM grain size 7. Etchant: ASTM 163. 250× Fig. 4 C -1 03 niobium alloy (Nb-10Hf-1Ti-0.5Zr), 6.4-mm (0.2 5- in.) thick plate, cold worked and annealed. The microstructure shows ... (0.5-in.) diam rod. Vacuum-arc melted into 2700-kg (6000-lb) ingot, press forged, rotary forged to 150-mm (6-in.) diam, annealed, and water quenched. Extruded to 38-mm (1.5-in.) diam, annealed...