Black Malleable Iron

Both black steel pipe and galvanized pipe are made of steel however galvanized pipe has a zinc coating.
Black malleable iron. 1105 class 150 sch std black malleable iron tee 1 4 in fnpt do more. On the original question malleable iron is a type of cast iron different metallurgy and higher carbon content than steel. Learn more wardflex. Cast iron 290717 malleable iron 300717.
Black pipe fittings also called black malleable iron fittings are used to transport gas and water. Solid square head plugs. Black malleable and cast iron caps are used for use with a variety of natural gas or hot water heating systems and plumbing applications black malleable and cast iron caps are solidly made fo. Carbon agglomerates into small roughly spherical aggregates of graphite leaving a matrix of ferrite or pearlite according to the exact heat treatment used.
Malleable fittings include elbows tees couplings and floor flange etc. They connect to black iron and black steel pipe and form a tighter seal than black steel fittings. Malleable iron is cast as white iron the structure being a metastable carbide in a pearlitic matrix through an annealing heat treatment the brittle structure as first cast is transformed into the malleable form. These georg fischer threaded malleable iron pipe fittings are finished in black to provide resistance to corrosion and are best suited for gas applications.
Floor flange is very popular to anchor items to the ground. Black malleable iron 45 degree elbow pipe fitting. View more view all jump to. Class 150 is one of the ratings given to galvanized and black malleable iron pipe fittings as determined by the asme american society of mechanical engineers.
I think the black iron pipe on the lowe s website is the same as the black steel on the home depot site which is a53 a steel pipe per the description. Asme b16 3 2006 is the standard used to test malleable iron threaded fittings to make sure they meet the proper pressure and temperature ratings. Black steel pipe fittings and galvanized steel pipe fittings are the two most common kind of pipe applied to transport liquid and gas. 1105 class 150 sch std black malleable iron tee 1 4 in fnpt domestic.