Metallurgy and other enigmas

1,342 topics in this forum

1. cracks from water quench?

   By Luke Shearer, July 18, 2011
   • 6 replies
   • 12.1k 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
   • 5.8k views
   • 
   • Doug Lester
   • March 17

3. junkyard steel facts

   By Matt Bower, September 24, 2009
   • 21 replies
   • 25.6k views
   • 
   • Jerrod Miller
   • November 19, 2020

4. tripple quenching vs tripple normalising

   By owen bush, December 3, 2008
   • 23 replies
   • 19k 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
   • 33k views
   • 
   • John Page
   • January 19, 2015

7. Heat Treating Salt Recipies 1 2

   By j. walters, October 26, 2006
   • 34 replies
   • 27.8k views
   • 
   • Gyuri
   • January 5, 2015

8. Pre-Quench Soak at Critical or No?

   By Dave Stephens, July 29, 2012
   • 12 replies
   • 18.3k 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
   • 28.8k views
   • 
   • dustin reagan
   • December 5, 2012

10. Vanadium

    By Jeremy Vaught, September 18, 2008
    • 15 replies
    • 14.3k views
    • 
    • Bertie le Roux
    • June 21, 2011

11. What order to place thermal cycling steps?

    By Adam Reggie, Saturday at 01:24 AM
    • 12 replies
    • 134 views
    • 
    • Gerald Boggs
    • 1 hour ago

12. Earths magnetic effect during quench

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

13. 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
    • 108 views
    • 
    • Dan Hertzson
    • April 9

14. Pot Metal ID and Casting?

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

15. Temper Embrittlement

    By Jerrod Miller, January 8   

    • temper
    • embrittlement
    • (and 1 more)

      Tagged with:

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

16. Parks 50 and blade coatings = oil contamination?

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

17. Does clay contaminate quench oil?

    By Francis Gastellu, March 15
    • 1 reply
    • 103 views
    • 
    • Brian Dougherty
    • March 15

18. Borax broke my blades!!! ?

    By J.Leon_Szesny, March 10
    • 12 replies
    • 324 views
    • 
    • Jerrod Miller
    • March 12

19. Negative sori without clay

    By Francis Gastellu, March 9
    • 9 replies
    • 264 views
    • 
    • Francis Gastellu
    • March 10

20. Ferricchloride and Butteriron and Pureiron

    By J.Leon_Szesny, February 24
    • 4 replies
    • 207 views
    • 
    • J.Leon_Szesny
    • February 24

21. What is it called in English? "Buttereisen"

    By J.Leon_Szesny, February 21
    • 5 replies
    • 226 views
    • 
    • Jerrod Miller
    • February 22

22. when does "a little Cr" become "a lot?"

    By J.Leon_Szesny, February 18
    • 7 replies
    • 179 views
    • 
    • J.Leon_Szesny
    • February 21

23. Need help heat treating 130CrV3

    By Mikkel Hollnagel, January 25
    • 9 replies
    • 268 views
    • 
    • Doug Lester
    • January 25

24. Darkening hamon in 1075 1 2

    By Thomas Bevelander, November 18, 2020
    • 25 replies
    • 1k views
    • 
    • Joël Mercier
    • November 21, 2020

25. Do low temp salts go bad

    By Dave Armour, November 6, 2020
    • 2 replies
    • 334 views
    • 
    • Del Stubbs
    • November 6, 2020