I cam across this designation for valve flange and was unsure as to what the II referred to.
Is it too simplistic to assume it refers to ASME II for the materials of construction.
Any assistance is much appreciated.
Does anyone know the key differences,if any, between ASTM A262 Practise E and ISO 3651 Method 2A. Both are classed as Strauss tests and utilise CuSO4 and H2SO4 in the test solution but I am not sure if the concentrations are the same or if the immersion temperatures are the same.
I am currently applying stellite 6 onto cast monel 400 (ASTM A494-M35-1) using PTA and normally use an Inconel 625 buttering layer. The prequlualified procedure has worked well in the past however, current production tests are showing intergranular cracking in the Monel / Inconel HAZ, but only...
We have just installed a new jacketed reaction vessel which feeds into a new pressure filter dryer. Both of these are made from 316L stainless steel.
We are experiencing a black deposit on the dryer which doesn't seem to want to go. The vessel was similar, but we've now managed to clean it...
I am looking for any suggestions regarding possible causes of cracking on a WC Co Cr coating that has been applied by HVOF.
The coating is ~ 0.006" thick and is applied to a 17/4 (H1150M condition)seal ring which is then pressure tested in an assembly. After pressure testing numerous...
