S35VN

W

Walt Edwards

Joined
May 21, 2020
Messages
9
I purchased some S35VN from Pop's a while back and just got around to trying it out today. Man is that stuff hard! I used up a porta-band saw blade cutting out 1 blade. I've never received any steel this hard and I assumed this would have been annealed, as well. Can anyone shed some light on this steel? Can it be annealed?

Another thing, I had drawn out 2 blades on part of the 3' length. During the cutting process, I cut through from each side maybe 40% and needed to get some of the extra material out of the way before have a good angle to cut the rest of the way to separate the 2 blanks. At some point, I dropped the still joined blades and and they broke clean, right where the final cut would have been. Wow! Never had that happen before. Is this the sign of a quenched blade without being tempered or is this just the way S35VN is?

Thanks!
 
S35VN is hard and tough ... even in the annealed state. It eats belts for lunch. Take it to 95% finished (or more) and sand to a 400 grit surface before HT. It is really hard to grind after HT. I take the edge to .005-.010" before HT. On thinner stock, I profile and HT the blade and do the grinding after HT. In the long run it uses less belts.
 
Thanks Stacy. It eats bandsaw blades for it's afternoon snack around here! Guess I'll do as much profiling as possible on the 2nd blade with an angle grinder. Cutoff discs are cheaper than bandsaw blades.
 
I think I use my angle grinder too little since I got my band saw.. With a thin good quality cut off disc made for stainless, it is a very efficient tool!
 
Annealing high alloy stainless steels takes a controlled HT oven and a long time. Unless done right you are more likely to harden it than soften it. The S35VN you received from the supplier is probably as soft as it gets.
 
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