Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Replacement Steel for AISI 1144?

Replacement Steel for AISI 1144?

Replacement Steel for AISI 1144?

We currently use 1144 steel for motor shafts. This material is not the easiest to machine and we are considering a different material. My initial inclination is an 11L41. It has a higher machinability index with similiar material properties. The material must also be magnetic. Does anybody have any other suggestions of possible materials that will machine easily with high tolerance/finish and is magnetic?

RE: Replacement Steel for AISI 1144?

I would definitely look at 11L41. It should make a significant improvement in machining with almost no drawbacks except a slight cost difference. It is widely available.

RE: Replacement Steel for AISI 1144?

17.4 ph esr maybe worth a look!
I use it for various componants and find it easily machinable and it gives a very good finish.

RE: Replacement Steel for AISI 1144?

Stainless steel 416.
I design high speed motors, (50k-250k) rpm. We use 416 stainless for motors up to about 100k, and 4043 alloy steel for faster motors.  The 416 SST machines nice and is highly magnetic as is the 4043 alloy steel, but it does not machine as nicely, some grinding is required to get a good finish, but for the speeds we run, grinding is necessary to ensure low runout.

Edson Campos

RE: Replacement Steel for AISI 1144?

Panther manufacture's crankshaft's out of 1144 material as well. We have just recently started using 1215 as a alternative. The material properties and strengths are comperable and there is a significant cost savings as well as a increase in machineability.

RE: Replacement Steel for AISI 1144?

I agree with Panther.  I have used 1215 for pumps and motor shafts and it machines well.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


White Paper - PLM and ERP: Their Respective Roles in Modern Manufacturing
Leading manufacturers are aligning their people, processes, and tools from initial product ideation through to field service. They do so by providing access to product and enterprise data in the context of each person’s domain expertise. However, it can be complicated and costly to unite engineering with the factory and supply chain. Download Now
White Paper - Medical Device Design Control
Medical device product development is a highly integrated and regulated process. Implementation of a requirements tracking solution requires attention to a variety of nuanced topics. When presented with the task of tracking the many concept relationships in a project of this type, the initial software solution of choice tends to be a two-dimensional text systems. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close