... >420mpaElongation >5%Hardness<250HBProof stress >300mpaDuctile iron pipe fittings type:Flange Series: double flanged 11.25 22.5 45 90 bend, all ... Bolts & Nuts in Carbon Steel grade 4.8"T" type pipes fittings: double socket 11.25 22.5 45 90 bend DN80 ... products have been made such as double flanged series, push-on socket pipe fittings, K-type bolted gland pipe fittings, PVC pipe ...