Second attempt at making damascus steel by hand, this time forging 1070 high carbon and mild steel from the scrap bin to make a ring.
First weld went decently without any delamination or cracks between the layers, second weld after the hot cut at 3:05
didn't worked that well... Not sure about the cause, maybe the scales or the heat, would have been better if I repeated the
cleaning and stick welding process instead of trying it hot. Next time!
Pretty sure is not a problem for the use of this damascus, it survived the quench without falling apart,
enough for me and I still love the end result!
Index of operation and materials:
0:04 Mild steel
0:07 1070 high carbon steel
0:11 Grinding faces to bare metal with 2x72 and hand held magnet
0:51 Cleaning with acetone and stacking alternating 1070 and mild steel
1:17 Stick welding, rebar piece as handle
1:41 Coke forge
1:52 Borax flux
3:05 Hot cutting almost all the way
3:18 Folding in half adding borax
3:48 Grinding to clean metal (normalized off camera)
4:27 Rough size with wrench
4:37 Metal cutting band saw
5:00 Marking material to remove with compass (center punched off camera)
5:10 Drilling out most of the material up to the biggest drill bit I have
5:50 Grinding excess material off with grinding bit on the drill press
6:35 Grinding outer diameter on 2x72 by eye
7:20 Spinning the ring in a drill makes for a decently consistent od
7:57 Sanding up to 1000 grit on the belt grinder
8:20 Bolt with a notch to hold sandpaper and sand inner diameter up to 1000 grit
8:53 Hardening to improve pattern contrast, heating with map gas torch and quenching in oil
9:26 Sanging again every surface up to 1000 grit
9:37 Etching in ferric chloride, three cycles of 10 min each scrubbing in between under running water
Off camera I also sanded one last time up to 1200 grit and polished with cotton wheel and fine polishing compound.
Thanks a lot for watching, I hope you liked the video!
Suggestions and comments are welcome.
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13 дек 2018
