Nickel 200 pipe is normally limited to those applications where the temperatures settings remain below 600° F. At higher temperatures, say beyond a temperature of 600° F, Nickel 200 products such as Nickel DIN NR. 2.4066 Pipe can suffer from graphitization. One Stop Shop For All nickel 200 seamless pipe suppliers in india, We stock Alloy 200 Seamless Pipe, UNS N02200 Welded Pipe at a low price, buy ASTM B161 ni200 Round Pipe, DIN NR. 2.4066 Hollow Pipe & Hex Pipe in UAE.