1144 CD Steel vs. 1144 Stressproof
1144 CD Steel vs. 1144 Stressproof
(OP)
It appears the mechanical properties are similar between 1144 CD and 1144 Stressproof. Any reason not to use 1144 CD if mechanical properties are acceptable? Basically wondering if the are any hidden disadvantages to 1144 CD. This material will be used for motor shafts. Considering listing either material as an option since mechanical properties are acceptable for either one.
Thanks for any input.
Thanks for any input.





RE: 1144 CD Steel vs. 1144 Stressproof
If you don't buy Stressproof >G-P<, you'll have to machine off 1/8" of 'bark' on either side, so you'll need to start with bigger stock.
Mike Halloran
NOT speaking for
DeAngelo Marine Exhaust Inc.
Ft. Lauderdale, FL, USA
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
I ALWAYS prefer buying something to a specification, and I can't believe you'll have trouble finding material per ASTM A311 Class B.
Good luck!
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
We ended up specifying "ASTM A108 1144 COLD DRAWN STEEL -OR-
STESSPROOF ASTM A311 CLASS B 1144 CD STEEL"
Mechanical properties work for either material and it solved a purchasing/vendor problem. I am sure they will be asking to use a different material next week.
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
RE: 1144 CD Steel vs. 1144 Stressproof
Very interesting thread below on this entire subject regarding Stressproof 1144 steel;
Thread330-21337
RE: 1144 CD Steel vs. 1144 Stressproof
Stress proof-- YTS- 115.66 ksi, UTS- 138.21 ksi, Hardness- 29 HRc. from Niagara
1144 CF (from a different mill)-- YTS-- 106.1 ksi , UTS -- 129.6 Ksi, Hardness- 21 HRc
The chemistry matches for both. They both are equivalent to A311 CL B
But I believe that essentially both are same except the hardness and a little lower YTS/UTS.
Hope this helps.
BTW what is the dia/torue/rpm , what is the rating factor? All these things need to be considered while choosing the material.
RE: 1144 CD Steel vs. 1144 Stressproof