40,000 km steel pipe around earth warmed to raise tmp by 1C pipe now longer stands how high above ground level

40,000 km pipe is a ring that fits snugly around the earth. as the pipe is warmed 1 degree C, it gets longer and is not snug anymore.(expansion from heat) consider expansion of radial distance from center of earth by applying geometry to relate cirference and radius...C = 2 pie r