Black Malleable Iron

Learn more wardflex. Black pipe fittings also called black malleable iron fittings are used to transport gas and water. Carbon agglomerates into small roughly spherical aggregates of graphite leaving a matrix of ferrite or pearlite according to the exact heat treatment used.

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1105 class 150 sch std black malleable iron tee 1 4 in fnpt domestic.

Black malleable iron.

On the original question malleable iron is a type of cast iron different metallurgy and higher carbon content than steel. Black malleable iron 45 degree elbow pipe fitting. View more view all jump to. They connect to black iron and black steel pipe and form a tighter seal than black steel fittings.

These georg fischer threaded malleable iron pipe fittings are finished in black to provide resistance to corrosion and are best suited for gas applications. Black steel pipe fittings and galvanized steel pipe fittings are the two most common kind of pipe applied to transport liquid and gas. Malleable iron fittings also called black iron fittings are available up to 6 inch nominal pipe size though they are more common to 4 inches. 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.

Malleable fittings include elbows tees couplings and floor flange etc. Floor flange is very popular to anchor items to the ground. 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 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. 1105 class 150 sch std black malleable iron tee 1 4 in fnpt do more. 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. Cast iron 290717 malleable iron 300717.

Both black steel pipe and galvanized pipe are made of steel however galvanized pipe has a zinc coating. Other suitable applications include water flow steam and non aggressive materials. Solid square head plugs. Galvanized malleable iron 45 degree elbow pipe fitting.