21.   Ford Motor Co. installed a tubular steel beam on its hulking Excursion SUV to prevent it from riding over the frame of a smaller vehicle in a crash.

22.   In addition to flat-rolled steel, there are divisions for Copperweld tubular steel and steel building products.

23.   NS Group makes seamless and welded tubular steel products for drilling, exploration and transmission of oil and natural gas.

24.   It is anchored to the seabed by four tubular steel pipes.