Detailed Product Description 1.ductile iron pipe and fittings use .pipe and fittings not only does the ductile iron have high tensile strength and percentage elongation ,but also have fine ductility and other excellent quality as anti-high-compression,anxi-oxidation,anti-corrosion,etc,so the ductile iron pipe fittings are widely applied to such compressive pipes as water pipeline.oil pipeline,gas ...