Metallurgy and other enigmas

1,349 topics in this forum

1. cracks from water quench?

   By Luke Shearer, July 18, 2011
   • 6 replies
   • 12.4k views
   • 
   • Wick Ellerbe
   • April 22

2. Metallurgy of Steel for Bladesmiths & Others who Heat Treat and Forge Steel

   By Charles dP, July 29, 2017   

   • steel
   • pdf
   • (and 1 more)

     Tagged with:

     • steel
     • pdf
     • verhoeven
   • 18 replies
   • 6.1k views
   • 
   • Doug Lester
   • March 17

3. junkyard steel facts

   By Matt Bower, September 24, 2009
   • 21 replies
   • 25.7k views
   • 
   • Jerrod Miller
   • November 19, 2020

4. tripple quenching vs tripple normalising

   By owen bush, December 3, 2008
   • 23 replies
   • 19.1k views
   • 
   • Richard A. (Woody) Hanson
   • January 29, 2019

5. Official ASTM Railroad Spike Composition and Headstamps

   By James Spurgeon, December 30, 2015
   • 2 replies
   • 5.4k views
   • 
   • Austin_Lyles
   • December 30, 2015

6. Structure Of Martensite 1 2

   By Harper John, June 10, 2009
   • 30 replies
   • 33.1k views
   • 
   • John Page
   • January 19, 2015

7. Heat Treating Salt Recipies 1 2

   By j. walters, October 26, 2006
   • 34 replies
   • 27.9k views
   • 
   • Gyuri
   • January 5, 2015

8. Pre-Quench Soak at Critical or No?

   By Dave Stephens, July 29, 2012
   • 12 replies
   • 18.4k views
   • 
   • Jan Ysselstein
   • June 24, 2014

9. Inducing positive curvature (upward sori) in a shinogi-zukuri katana using OIL 1 2 3

   By Jesus Hernandez, March 10, 2012
   • 61 replies
   • 29.2k views
   • 
   • dustin reagan
   • December 5, 2012

10. Vanadium

    By Jeremy Vaught, September 18, 2008
    • 15 replies
    • 14.5k views
    • 
    • Bertie le Roux
    • June 21, 2011

11. blisters appearing on my billets

    By Gayton Arrigotti, Tuesday at 10:41 PM
    • 10 replies
    • 135 views
    • 
    • Alan Longmire
    • 17 hours ago

12. Protect from decarb during a sub critical anneal?

    By Adam Reggie, July 13
    • 3 replies
    • 69 views
    • 
    • Adam Reggie
    • July 13

13. Has anyone heard from Aldo?

    By Doug Lester, July 4
    • 8 replies
    • 181 views
    • 
    • Doug Lester
    • July 8

14. Hydrogen embrittlement during rust bluing?

    By Alex Middleton, July 1
    • 2 replies
    • 65 views
    • 
    • Alex Middleton
    • July 1

15. Infrared thermometer suggestion

    By Matthew Schneider, June 12
    • 5 replies
    • 158 views
    • 
    • Matthew Schneider
    • June 15

16. Darkening hamon in 1075 1 2

    By Thomas Bevelander, November 18, 2020
    • 27 replies
    • 1.3k views
    • 
    • Joël Mercier
    • June 13

17. It's back in the mainstream.......ugh

    By Joshua States, June 11
    • 4 replies
    • 202 views
    • 
    • Joshua States
    • June 11

18. Carbon steel - Work hardening?

    By Alveprins, May 17
    • 6 replies
    • 390 views
    • 
    • Charles dP
    • May 18

19. Spring steel won't skate a file 1 2

    By Byron studley, October 28, 2017   

    • spring steel quench
    • hardness
    • (and 1 more)

      Tagged with:

      • spring steel quench
      • hardness
      • problems
    • 46 replies
    • 3.7k views
    • 
    • Charles dP
    • May 16

20. What order to place thermal cycling steps?

    By Adam Reggie, May 8
    • 12 replies
    • 247 views
    • 
    • Gerald Boggs
    • May 11

21. Earths magnetic effect during quench

    By Wick Ellerbe, April 22
    • 16 replies
    • 396 views
    • 
    • Garry Keown
    • April 24

22. Best steel for kitchen knives

    By Paul Checa, April 9   

    • kitchen knives
    • kitchen knife
    • (and 1 more)

      Tagged with:

      • kitchen knives
      • kitchen knife
      • steel
    • 1 reply
    • 161 views
    • 
    • Dan Hertzson
    • April 9

23. Pot Metal ID and Casting?

    By Aiden CC, April 7
    • 6 replies
    • 198 views
    • 
    • Aiden CC
    • April 8

24. Temper Embrittlement

    By Jerrod Miller, January 8   

    • temper
    • embrittlement
    • (and 1 more)

      Tagged with:

      • temper
      • embrittlement
      • blue-brittle
    • 24 replies
    • 795 views
    • 
    • Alan Longmire
    • March 31

25. Parks 50 and blade coatings = oil contamination?

    By Guy Thomas, January 17
    • 10 replies
    • 356 views
    • 
    • Guy Thomas
    • March 17