We are offering nickel alloy round bar, a.d. Mackay, inc. Iso 9001:2008 certified company supplies nickel and nickel alloy round bars in alloys nckeli 200, alloy inconel 600, alloy 718, alloy c276 alloy k500 and alloy r405 in round bars. Sizes from 0.075" to 2" diameter in nickel 200; 0.0625" to 3" diameter in nickel (inconel) 600; 1" to 5-34" diameter in nickel 718; 0.500" to 4" diameter in nickel c276; 0.500" to 3" diameter in nickel k500 and 0.625" to 1.75" diameter in nickel r405. all rods available in lengths from 6" and longer. nickel hexagon rod available in nickel r405 sizes from 0.0625" to 1" hex rod. contact us today for your nickel alloy rod requirements.