... mm Elongation >= 8% Hardness Our malleable iron pipe fittings are made of raw materials of high quality through casting and precision process by ... Socket, union, bushing, backnut, flange, nipple, etc. The outlets vary from 1/4 inch to 6 inch. They are mainly divided ... other than mentioned can also be negotiated. Our pipe fittings are suitable for joining pipe lines of steam, gas, oil, air and are also ...