Cpm 154 toughness?

C

chad2

Joined
Sep 2, 2011
Messages
1,000
Why is there no toughness testing of cpm154 out there anywhere? I love the steel and I am making a small survival knife out of it but I have no idea exactly how tough this stuff is. Just wondering how this stuff compares to other steels in toughness.
 
chad2 said:
Ankerson I know you have tested edge holding but what about batoning, chopping, things of that nature.
Click to expand...

Same toughness as S30V, haven't seen any choppers in CPM 154.....

I tested more than edge holding in CPM 154 though, and in more than one knife.

Doubt you would have any issues with CPM 154 in the kind of knife you are looking at getting made.
 
All I know is that it takes a nice edge, and keeps it.

tapatalk_1369607069488_zps7a4f2182.jpg
 
sweet_hitch-hiker said:
the second link has a graphic that puts m390's wear resistance at about the same as s30v, and less than half of s90v... an it puts d2 near identical to 420hc and 440c... both are kind of surprising to me
Click to expand...
Yeah that bar graph is no where near correct.
 
I doubt there will be an issue with toughness as I hit metal with my custom fillet knife in CPM 154 @ 60HRC that's like .002" behind the edge and it didn't chip, it rolled like it should.

DSC_3676.JPG


DSC_36562.JPG
 
Steel performance can change quite a bit with a change in hardness. Same with heat treat. So it's difficult to come up with a simple chart.

154 CM is a pretty good standard steel. The powder version adds quite a bit of toughness. I can't imagine that a small survival knife, properly heat treated, would suffer because of this steel.

Rather than worry about the steel -- which is very good -- worry about the heat treat and blade/handle geometry.
 
I don't believe those charts either, I have a Strider SMF in CPM 154 the steel is a beast, It could just be Striders heat treat but I love that steel, it takes a great edge, and I've only had to strop it back to get it to whittle a hair. That's on the factory angle of the strider, just touched up once with 600 grit stones 1,000 grit stones and the polish tapes, since then it's been nothing but stropping, not because it's dull, but I just like to have the maximum sharpness I can have on my knives at all times.
 
Thanks for the very informative charts. It's actually amazing how the steels I've got to love are low ranked. It's probably a matter of how you like your steel : soft and easy or hard and surly. I believe the artistry of the smith can make a huge difference. I'm still ranking 1095 or 5160 as one of the best blade steels around. Just judging from what I get from my knives. And I love a sharpening session with a lot of beer once in a while...
 
You must log in or register to reply here.
Back
Top