AAP Elbow - F/F - Black Steel Thread & Pipe Size (inch):3" What metals is this soldering

What metals is this soldering flux designed for

With a top-class tightening torque of 380Nm and 700Nm nut-busting torque on a 12

Direct-coupling for service work

Phenol-free and nitrite-free

AAP Elbow - F/F - Black Steel Thread & Pipe Size (inch):3" What metals is this soldering90 elbow f f: turns a threaded line by 90 degrees in a short fitting Black mild steel, plain black (oiled) finish AS 1722. 1 BS 21 BSP taper threads, standard malleable iron mild steel fitting dimensions A black mild steel 90 elbow F F that turns a threaded line by 90 degrees in a short fitting. Plain black (oiled) finish gives robust and cost effective for indoor and sheltered service. Threads are cut to AS 1722. 1 BS 21 (BSP taper), the standard