Heat Treating, general discussion

536 topics in this forum

1. continuous cooling transformation diagram

   By c.baum, September 14, 2016
   • 13 replies
   • 7.6k views
   • 
   • anvil
   • October 14, 2017

3. Heat treat information 1 2

   By Steve Sells, January 5, 2012
   • 26 replies
   • 28.4k views
   • 
   • RogueRugger
   • July 23, 2018

4. Heat treaters guide App 1 2 3

   By JNewman, October 8, 2013
   • 61 replies
   • 36.8k views
   • 
   • Frosty
   • March 3

5. Quenchants and their relative speeds

   By Glenn, May 6, 2020
   • 5 replies
   • 4.1k views
   • 
   • velegski
   • June 19, 2023

6. Quenching in old motor oil 1 2 3 4

   By Glenn, October 25, 2007
   • 75 replies
   • 67.8k views
   • 
   • George N. M.
   • August 25, 2023

7. Subzero quenching

   By Steve Sells, August 6, 2018
   • 15 replies
   • 10.6k views
   • 
   • Sanda220596
   • July 28, 2022

8. Tempering oven on a whim.. 1 2

   By j.w.s., October 31, 2014
   • 26 replies
   • 15k views
   • 
   • Buzzkill
   • December 12, 2022

9. ? 4140 PH punches?

   By territorialmillworks, May 29, 2011
   • 1 reply
   • 2.1k views
   • 
   • monstermetal
   • May 29, 2011

10. 1177 stressproof

    By Larzz, September 27, 2009
    • 8 replies
    • 3.6k views
    • 
    • Larzz
    • October 1, 2009

11. 15-5 stainless

    By monstermetal, April 16, 2010
    • 4 replies
    • 2.4k views
    • 
    • patrick
    • April 19, 2010

12. 16 gallon oil quench tank

    By MC Hammer, July 1, 2019
    • 21 replies
    • 3.7k views
    • 
    • MC Hammer
    • July 3, 2019

13. 1st Time Heat Treating

    By KTB, June 3, 2010
    • 0 replies
    • 1.4k views
    • 
    • KTB
    • June 3, 2010

14. 4130 Oven Heat Treat

    By gbumstead, April 1, 2013
    • 8 replies
    • 10.3k views
    • 
    • thingmaker3
    • April 24, 2013

15. 4140 bar

    By mat, February 17, 2010
    • 14 replies
    • 3.7k views
    • 
    • DennisG
    • March 4, 2010

16. 4140 Cracked when hardening 1 2 3

    By Ancientsword, January 3, 2014
    • 67 replies
    • 13.7k views
    • 
    • Frosty
    • August 7, 2019

17. 4140 cracking issue 1 2

    By MOblacksmith0530, June 4, 2012
    • 33 replies
    • 26.2k views
    • 
    • Stormcrow
    • August 14, 2012

18. 4140 Cracks

    By flux_lalonde, March 10, 2019
    • 9 replies
    • 5.8k views
    • 
    • c.baum
    • April 10, 2019

19. 4140 dies turned out to not be 4140. What next?

    By Adair, January 10, 2019
    • 11 replies
    • 1.7k views
    • 
    • stevomiller
    • January 22, 2019

20. 4140 punches

    By treytheknifeguy, May 4, 2016
    • 7 replies
    • 3.6k views
    • 
    • forgemaster
    • May 12, 2016

21. 4140 steel forging yield strength value problem

    By schmieden, February 18, 2012   

    • 4140
    • yield
    • (and 7 more)

      Tagged with:

      • 4140
      • yield
      • problem
      • steel
      • forged
      • forging
      • heat treatment
      • tensile
      • hardness
    • 6 replies
    • 6.3k views
    • 
    • Patrick Nowak
    • February 23, 2012

22. 4142 Hammer Failure 1 2

    By Adam R, October 18, 2016
    • 26 replies
    • 5.9k views
    • 
    • anvil
    • December 2, 2017

23. 4150 as quenched hardness and heat treating?

    By KYBOY, August 29, 2011
    • 6 replies
    • 6.6k views
    • 
    • Patrick Nowak
    • September 8, 2011

24. 4150 instead of 4140?

    By FieryFurnace, November 29, 2012
    • 17 replies
    • 7.9k views
    • 
    • FieryFurnace
    • December 11, 2012

25. 4340 & ASM heat treaters guide

    By JNewman, June 18, 2009
    • 17 replies
    • 18.5k views
    • 
    • pkrankow
    • March 9, 2010

26. 4350 tempering question

    By MarriedWithAnvils, August 16, 2020
    • 4 replies
    • 1.6k views
    • 
    • ThomasPowers
    • August 17, 2020