... strength >420mpaElongation >5%Hardness<250HBProof stress >300mpaDuctile iron pipe fittings type:Flange Series: double flanged 11.25 22.5 45 90 ... as double flanged series, push-on socket pipe fittings, K-type bolted gland pipe fittings, PVC pipe fittings series, all ... adaptors. Well, at present our products have been exported into USA,South America, Europe, Middle East, Africa and Southeast Asia.Depend ...