... Pipes, Boiler Pipes, High Pressure , Chemical Fertilizer , Steel Plat ,Steel Coil , Steel Bar , Steel Rebar , and Pipe Fittings as Flanges , Elbows . ... ferrules, hose clamps; change pipe direction, pipe fittings: elbow; to change the pipe diameter, pipe fittings: reducers ( ... diameter pipe ), reducing elbow, branch units, reinforcing tube; increase in the piping ...