Stephen A, 2020 Nov 19
Ordered and received PO 75-S492380 including threaded rod and nut with 2"-12 thread. These items are under consideration for A+ FC Tube Support Stand, particularly for use in weldment D2000445. Some observations:
Also ordered were two McMaster offerings which could be used for rust inhibiting conversion coatings (formulations appear to be based on phosphoric acid - more could be learned by investigating specific products). Potential workflow for experimenting:
This experiment would allow us to learn about how the conversion coatings may work and behave.
See attached photos and video for more insights.