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Locking block

Grunt51Grunt51 Member Posts: 205 ✭✭✭
edited April 2008 in Ask the Experts
If you were using oil hardening steel to make a locking block for a shotgun and drew it back, would the color purple make it too soft or too hard for the part?

Comments

  • rhmc24rhmc24 Member Posts: 1,984 ✭✭✭✭✭
    edited November -1
    A dark purple is about 550 degrees F, a little harder than spring temper for carbon steel. Light purple is a bit harder about 530.
    You will have to decide for yourself what you want it to do. I would probably want it to be softer than the parts it works against. In other words have it suffer before it damages the frame of the gun, for example. Taking it to a full blue spring temper would give it a spring temper, least likely to break under load. Hope this helps.
  • Grunt51Grunt51 Member Posts: 205 ✭✭✭
    edited November -1
    Thank you sir, that helped a lot, it is a locking block for an old White Powder Wonder Shotgun, not worth much but something I am tinkering with, again thanks.
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