All those tubes in process are Damascus, except for one Twist set. It's a different process from Fluid Steel. The two SBT tubes in the pic are Whitworth fluid steel, but I'm waiting on a minor issue before I can color them. Once That happens I can post some pictures of them.
I'm well along with the others, and, as I said, the process is considerably different than with fluid steel.
With Damascus, I like to do several rustings without boiling first,
so I'm sure the pattern is correct before boiling. The nearest sets are Parkers, due for their first boil next. The three sets hanging by the cured ones are being browned, so will never be boiled. In the pic they haven't been carded yet. If you're getting a similar rust coating, you're probably on the right track. It just takes many cycles for the black to deepen.
Regards
Ken
