we are Engaged in Supplying double Flanged Pipes, Which are Manufactured in Accordance to the Industrial Standards to Ensure High Durability and Strength. Our Range of Double Flanged Pipes Caters to Various Industrial Requirements. These Double Flanged Pipes are Available in Different Sizes and Lengths to Meet the Varied Requirements of the Clients.raw Material Usedcast Ironspecificationssize Range : 80 Mm to 1000mm Ndlengths : Up 5.5m, Available in Mix Lengths & Std Lengths of 2.75, 3, 3.5, 4, 4.5, 5, 5.25 & 5.5 Mm.similar Standardsiso 13 : 1978bs : 4622:1970bs : 2035mechanical Propertiesring Test 80 to 300 Dntensile Test 350 to 600 Dnbrinell Hardness Testmodulus of Rupture 390 Mpa(min)tensile Strength 200mpa (min)230 Bhn (max)flange Details nominal Diameterdimensionsholesdncdebarfsnumberdiamter Ddiamter of Bolts(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)8016020013221.04263174191612518022015622.04463188191610021025018422.54563198191615024028521123.046632023232020029534026624.04963228232025035039531926.052632412232030040044537027.555842612232035046050542929.058842816232040051556548030.061843220282445056561552731.564843420282450062067058233.067843420282460072578068236.0708538203127