In general, black steel pipes and carbon steel pipes have almost the same procedures for welding. That is in the case of general welding, but not of some specific application like very cold temperatures. Black steel pipe is not really a specification but rather a generic term used primarily by plumbers to distinguish regular steel pipe from
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Black pipe fittings, also called black malleable iron fittings, are used to transport gas and water. They connect to black iron and black steel pipe and form a tighter seal than black steel fittings.
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Difference between black steel pipe and carbon steel pipeBlack steel pipe is not really a specification but rather a generic term used primarily by plumbers to distinguish regular steel pipe from galvanized steel pipe. Most black steel pipe has a composition similar to ASTM A-53 pipe. The difference between A-53 and common steel pipe like A-106 are so close that some pipe is actually marked to meet
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