Knife Talk Online Forums
  Home membership Help Search Calendar Members Classifieds Treasury Store Links Gallery Media Center Login Register  
Custom Search
Pages: [1]   Go Down
  Send this topic  |  Print  
Author Topic: Anothert test blade  (Read 2747 times)
0 Members and 1 Guest are viewing this topic.
jared williams
Trade Count: (0)
Hero Member
*****
Posts: 315


View Profile
« on: May 22, 2014, 12:46:38 PM »

My friend Nate was over today working on some test blades and we put another one through the ringer today. The blade is about 6" long, it was forged out of a piece of well rod from a drilling rig. it started out as a 1-1/2" diameter piece of unknown steel. Nate forged the blade at low temp with 3 post forge quenches in canola oil followed by 3 flash normalizes then 3 anneals at 888 deg. with 24 hours in the freezer after each then 3 quenches in Texaco type A heated to 160 deg. then 3 tempers at 380 deg. with 24 hours in the freezer in between each cycle. I am proud to say that the blade cut 350 cuts in 1/2" sisal without slowing down ( I think it would of cut 500 but we got tired of cutting) it then did 5 edge flexes before the edge rolled. We through it in the vise and it did 21- 180 deg. bends without the edge cracking. on the last bend we decided to bend it into a u-shape, still no cracks! We didn't have a torque wrench but my guess is that the blade was bending with about 60-70 lbs. of force. It also came back about 5 deg. after every bend



What's really interesting is the stretching and the new shape the blade bevels took in the bend. if you look at the picture you can see how the outside of the blade is now almost flat from the blade stretching.    

« Last Edit: May 22, 2014, 12:54:22 PM by jared williams » Logged

When the student is ready the teacher will appear.
wnelson aka. dedox
Trade Count: (0)
Hero Member
*****
Posts: 320



View Profile WWW
« Reply #1 on: May 22, 2014, 04:49:48 PM »

wow, that is impressive!
keep up the great work!
Logged

"The enemy has only images and illusions behind which he hides his true motives. Destroy the image, and you will break the enemy."-Bruce Lee

?Logic will get you from A to Z; imagination will get you everywhere.?
― Albert Einstein
RAD
Trade Count: (0)
Hero Member
*****
Posts: 239



View Profile
« Reply #2 on: May 22, 2014, 05:34:26 PM »

Horse shoes anyone.
Very impressive.
Logged
Daniel Rohde (D-Vision)
Trade Count: (0)
Hero Member
*****
Posts: 1100



View Profile WWW
« Reply #3 on: May 22, 2014, 06:35:57 PM »

Just beautiful! How thick was it?
you amaze me!
Keep up the good work
Daniel
Logged

Consistent, Repeatable Performance is the goal
http://www.rohdeedge.com/
John Silveira
Trade Count: (0)
Hero Member
*****
Posts: 860



View Profile
« Reply #4 on: May 22, 2014, 07:33:02 PM »


that's insane !!   great job
Logged
Dennis Mashburn
Trade Count: (0)
Hero Member
*****
Posts: 291


View Profile
« Reply #5 on: May 23, 2014, 09:16:25 AM »

WOW!!!  That is awesome.

Just wondering.  Is the rod what they call sucker rod in the oil field?  It would be very interesting to know what that steel was and what its make up was.

But I guess most importantly it did perform very well.
Logged

"Saying guns kill people is like saying pencils cause mis spelled words."
                                                         Larry the Cable Guy
It's hard to soar with the Eagles when you work with a flock of Turkeys.
Ed Fowler
Administrator
Trade Count: (1)
Hero Member
*****
Posts: 3448



View Profile WWW
« Reply #6 on: May 23, 2014, 08:58:07 PM »

Great experiment gentlemen, congratulations!

Knowledgeable forging and heat treat can make a lot of steels high endurance performance, you have brought another steel into the community.

Testing for full performance is the only way we can know what we are making, this one seems to have been great, I never would have thought to use it. Sucker rods are definitely a performance steel.

Did you edge quench or was it full quenched?
« Last Edit: May 23, 2014, 09:02:31 PM by Ed Fowler » Logged

Ed Fowler High Performance Knives
http://edfowler.com/
Nathan Summers
Trade Count: (0)
Jr. Member
**
Posts: 13


View Profile
« Reply #7 on: May 23, 2014, 09:24:47 PM »

        The rod comes from a ranch outside of Boulder, Utah, and I'm told was used to drill for water. Its stout stuff, I think 1-1/2'' thick or more and it came in 12 foot lengths. With a spark test, it looks like a medium/ high carbon steel, whatever it is, and the rod seems well hardened all the way through. I really, really would like to know what steel it is made from!!! Does this sound familiar to anyone?
Logged
Nathan Summers
Trade Count: (0)
Jr. Member
**
Posts: 13


View Profile
« Reply #8 on: May 23, 2014, 09:29:02 PM »

It was edge quenched! Also has some great looking grain too, we will have to take some more pictures.
Logged
Daniel Rohde (D-Vision)
Trade Count: (0)
Hero Member
*****
Posts: 1100



View Profile WWW
« Reply #9 on: May 24, 2014, 05:55:57 AM »

Maybe someone at BladeForums would know what steel it is.
I'm assuming its not stainless?
Logged

Consistent, Repeatable Performance is the goal
http://www.rohdeedge.com/
Ed Fowler
Administrator
Trade Count: (1)
Hero Member
*****
Posts: 3448



View Profile WWW
« Reply #10 on: May 24, 2014, 07:06:29 AM »

Be sure and buy all of it you can!
Logged

Ed Fowler High Performance Knives
http://edfowler.com/
Nathan Summers
Trade Count: (0)
Jr. Member
**
Posts: 13


View Profile
« Reply #11 on: May 24, 2014, 07:43:37 AM »

Most definitely not stainless, while rough grinding it would form rust after dunking it in water. Another interesting characteristic is the the flash the normalizes were visually allot more subtle than with 52100, I wasn't sure it was working until I found the darkest spot in the room to watch the color and confirmed that, yes, it was flashing.
Logged
Nathan Summers
Trade Count: (0)
Jr. Member
**
Posts: 13


View Profile
« Reply #12 on: May 24, 2014, 07:46:50 AM »

Ed, I will do!!!!!!!
Logged
mreich
Member
Trade Count: (0)
Hero Member
***
Posts: 812


View Profile
« Reply #13 on: May 24, 2014, 04:40:37 PM »

Wow! Great job man!

Sure would like to know more about the steel. We've got miles of sucker rod, but I'm sure it's not the same as what you've found.
Logged
John Silveira
Trade Count: (0)
Hero Member
*****
Posts: 860



View Profile
« Reply #14 on: June 13, 2014, 09:47:39 PM »

is sucker rod the same as drill rod ?   google not producing the info
Logged
Pages: [1]   Go Up
  Send this topic  |  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.21 | SMF © 2015, Simple Machines
TinyPortal v0.9.8 © Bloc
Valid XHTML 1.0! Valid CSS!