Jump to content
I Forge Iron

Metallurgists I need your help hardening 80CRV2

Recommended Posts

Steel is 80CRV2. I'm messing with my heat treat and have access to a Rockwell tester at work. Piece number 1 is a chunk of raw stock that I cut off, piece number 2 is a chunk that I normalised (10 minute soak @ 1600° ctb, 10 minute soak @ 1480° ctb, 10 minute soak @ 1250° ctb.) Piece number 3 was quenched in warm canola oil after normalizing then a 5 minute soak @ 1500°, piece number 4 was tempered twice after normalizing and quenching, first for one hour @ 375° second for one hour @ 400°. Piece #4 is right where I would expect it to be, around 59-60 HRC but piece #3 has me worried. I was expecting it to check around 64-65 HRC but it is barely checking harder then the piece that I tempered. Did I screw up somewhere? What would explain my quenched piece being the same hardness as my tempered piece?


Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...