SF100 Steel @HRC60/62 Bending!?

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Stuart Mitchell

Stuart Mitchell

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It bends alright, in a vice with some 24" Stillsons on it and a fair bit of weight behind them... 😂



IMG_6723.jpg



Showing for no other reason other than the fact that it never ceases to amaze me.

The blank you see there is one of my P120 blanks at 3mm thick, Rc60/62, the blank held there for about 20 seconds whilst I faff around getting the camera for the photo.

Then this, returns to perfectly straight, I am always impressed.



IMG_6724.jpg

IMG_6725.jpg
 
Stuart Mitchell said:
It bends alright, in a vice with some 24" Stillsons on it and a fair bit of weight behind them... 😂



View attachment 347178



Showing for no other reason other than the fact that it never ceases to amaze me.

The blank you see there is one of my P120 blanks at 3mm thick, Rc60/62, the blank held there for about 20 seconds whilst I faff around getting the camera for the photo.

Then this, returns to perfectly straight, I am always impressed.



View attachment 347179

View attachment 347180
Click to expand...
That's amazing. I would have put money on it snapping, or not straightening again. That's what I think is perfect knife steel, but what do I know? My metal work skills reached the dizzy heights of making a poker at school 🤣
 
Jelen said:
That's amazing. I would have put money on it snapping, or not straightening again. That's what I think is perfect knife steel, but what do I know? My metal work skills reached the dizzy heights of making a poker at school 🤣
Click to expand...
It is, isn't it.

You'd put money on it snapping there, wouldn't you, anyone would.


IMG_6723.webp
 
Stuart Mitchell said:
It bends alright, in a vice with some 24" Stillsons on it and a fair bit of weight behind them... 😂



View attachment 347178



Showing for no other reason other than the fact that it never ceases to amaze me.

The blank you see there is one of my P120 blanks at 3mm thick, Rc60/62, the blank held there for about 20 seconds whilst I faff around getting the camera for the photo.

Then this, returns to perfectly straight, I am always impressed.



View attachment 347179

View attachment 347180
Click to expand...
That is just amazing. Bordering on alchemy.

Some time back I watched the test they do to workpieces submitted by those wanting to be inducted as Master Knifesmith in the USA. A bend test like this is in the mix. I will see if I can find a sample video. The fails are spectacular...
 
Stuart Mitchell said:
It bends alright, in a vice with some 24" Stillsons on it and a fair bit of weight behind them... 😂



View attachment 347178



Showing for no other reason other than the fact that it never ceases to amaze me.

The blank you see there is one of my P120 blanks at 3mm thick, Rc60/62, the blank held there for about 20 seconds whilst I faff around getting the camera for the photo.

Then this, returns to perfectly straight, I am always impressed.



View attachment 347179

View attachment 347180
Click to expand...
How???
 
Wilkinson used to test bend their swords during the proving process. Interesting article here:
historicalfightingarts.com

Proving the Blade – Wilkinson Sword Company and its new and brutal way of proofing Victorian swords — Ludus Ferocia

We discover how the Wilkinson Sword Company's Eprouvette machine put sabers, bayonets, and swords to the test, the origin of the famous proof disc, and why a six-pointed Damascus star became a badge of quality in military blades. We further discuss how Wilkinson revolutionized the sword making and p
historicalfightingarts.com historicalfightingarts.com
 
Swedish said:
Wilkinson used to test bend their swords during the proving process. Interesting article here:
historicalfightingarts.com

Proving the Blade – Wilkinson Sword Company and its new and brutal way of proofing Victorian swords — Ludus Ferocia

We discover how the Wilkinson Sword Company's Eprouvette machine put sabers, bayonets, and swords to the test, the origin of the famous proof disc, and why a six-pointed Damascus star became a badge of quality in military blades. We further discuss how Wilkinson revolutionized the sword making and p
historicalfightingarts.com historicalfightingarts.com
Click to expand...
I used to do a lot of work for WS before they were bought out and closed down overnight.

I have seen that machine in action. In fact, I think a fella that I know might have bought it and still has it.
 
Stuart Mitchell said:
I used to do a lot of work for WS before they were bought out and closed down overnight.

I have seen that machine in action. In fact, I think a fella that I know might have bought it and still has it.
Click to expand...
That's very interesting and probably rather valuable, I have a modest collection of swords and bayonets, among them is a lovely Wilkinson 1897 pattern sword made in 1905, it bears the hexagonal slug for best quality. It had an interesting provenance too. Bought by a decorated Danish chap serving as an officer in the British Army. He was seconded to the newly formed MI5 just prior to WW1. He saw action in France and Belgium.
 
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Stuart Mitchell
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