Black Mild Steel Bends
Black Mild Steel Bends Screwed BSP supplied with a loose socket or Plain Ended
Most often used on Steam applications.
Also for Air, Gas, Water & Oil under High Pressure.
Made from BS1387 Mild Steel Tubes.
Screwed Ends BSP Taper Threads
Often referred to as Wrought Iron Fittings.
Mild Steel Fittings are rated similar to Malleable Fittings but will withstand abrasive media.
To see a Metric/BSP equivalence table click this Link Metric BSP Table