Malleable Iron Pipe Fittings Details Material Black heart malleable iron American Standard Threads : ANSI B1.20.1 Dimension: ASME B 16.3, B16.14. Union: B 16.39 British Standard Threads :ISO 7/1 Dimension: BS EN 10242, BS 143&1256 DIN Standard Threads : ISO 7/1 Dimension : ISO 49, DIN2950, EN10242 Chemical property (C %2.4-2.9), (Si %1.4-1.9), (Mn %0.4-0.65),
(P% <0.1), (S% <0.2%)
Physical property Tensile strength >=350MPa, Elongation >=10%, Hardness <=150HB Testing pressure 2.5MPa, 100% test before shipment Working pressure 1.6MPa Type Banded without ribs,Beaded with ribs,Beaded without ribs Surface Ø Galvanized Ø Normal black/Shining black