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nice job , :thumbs: . machine stitching on sheath , really need to stitch a gusset into sheath ken  blade side it prevents the      blade  edge                                              cutting the stitches  ,  

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4 hours ago, riohog said:

nice job , :thumbs: . machine stitching on sheath , really need to stitch a gusset into sheath ken  blade side it prevents the      blade  edge                                              cutting the stitches  ,  

All my sheaths are hand stitched ... I do put a gusset in when needed but for those sheaths I extended the sheath length and tightened the top so the blade edge or point can’t touch the sheath ........

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17 hours ago, socks said:

That was made out of a car leaf spring. 

I use a lot of leaf spring and it makes a decent blade. It can vary but i have found a differential quench in water gives the best results for a durable cutting edge. Just quench the cutting edge of the blade and hold it long enough so the heat left in the spine won't transfer back again.

Water gives a harder quench than oil but it isn't safe to quench the whole blade in water with spring steel as it is very liable to crack! I know from experience.?

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There are fast quenching oils for best results with less risk of cracking!

https://www.ryeoil.co.uk/shop/quenching-oil-50-parks-50-alternative/

https://www.mobil.com/English-CA/Industrial/pds/IOCAFenso-90-150

Leaf springs are good, especeally for bigger knives, allthough even knife steels as 1.3505, 1.2442, 1.2510, 1.2842, etc are not expensive. 

 

Regards

Nicolas

 

 

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old spring steelis the best  pre 1970  /80   ish   it will probebly be 5160  spring steel  , the modern stuff  more likely en45  or something  the 5160 is really good steel ,done right produces a fine blade and good edge retension :thumbs:

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40 minutes ago, spsurfer said:

There are fast quenching oils for best results with less risk of cracking!

https://www.ryeoil.co.uk/shop/quenching-oil-50-parks-50-alternative/

https://www.mobil.com/English-CA/Industrial/pds/IOCAFenso-90-150

Leaf springs are good, especeally for bigger knives, allthough even knife steels as 1.3505, 1.2442, 1.2510, 1.2842, etc are not expensive. 

 

Regards

Nicolas

 

 

Thin cooking oil, pre-heated with a piece of scrap angle dropped in it is my go to for quenching with known steel. I have found i can't always get unknown spring steel to get the file skating hardness with oil quench so have been experimenting with differential water quench to get the the additional hardness with good results. Also leaves the spine softer and tougher for big blades that will take a lot of abuse.

 

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