Black Iron Fittings

PVC Fittings Online has the largest selection of pipe and fittings online, with endless choices of size and material. We now supply black iron fittings for use with black malleable iron piping. These fittings are specially designed for use with oil and gas applications. Black iron (also referred to as schedule 40 steel or schedule 40 black pipe) is a durable material that withstands high temperatures and pressures, with a maximum pressure of 700psi. We supply nipples, floor flanges, caps and more in a huge range of sizes, giving you plenty of choices when it comes to black iron fittings! View our full selection below.