×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

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

Jobs

201 bar products?

201 bar products?

201 bar products?

(OP)
Is 201 stainless steel available in bar form?  I have read about substituting 201 for 304 but everything mentioned is for sheet & strip forms.  Allegheny Ludlum do not mention any bar products.  We have some applications that use 304 in 1/2" bars.  How well does 201 turn?  304 is no picnic to turn but we laser weld these parts so 303 is out.

RE: 201 bar products?

201 will machine better than 304, but that isn't saying much.
I have a call in looking for a bar source for you.
In the mean time you might think about LDX2101 duplex bar.  It machines better than 303, is stronger, and should have similar costs because of very low surcharges.  I know that Outokumpu is making LDX2101 bar here in the US.

= = = = = = = = = = = = = = = = = = = =
Still trying to help you stop corrosion.
formerly Trent Tube, now Plymouth Tube
eblessman@plymouth.com
or edstainless@earthlink.net

RE: 201 bar products?

(OP)
LDX2101 looks very interesting.  Welding looks to be OK. LDX2101 should have similar costs to what: 201, 304 or 303?  What gives it the machinability of 303?  The only comparison I see on Outokumpu's site shows it to be better than 4404 (316L) which is quite similar to 304 machinability.

RE: 201 bar products?

I have some internal Outokumpu data that show it machining better than Prodec304.
The dual phase structure apparently is the source of improved machinability.
Cost should be similar to 304.  Higher base price and lower surcharge.

= = = = = = = = = = = = = = = = = = = =
Still trying to help you stop corrosion.
formerly Trent Tube, now Plymouth Tube
eblessman@plymouth.com
or edstainless@earthlink.net

RE: 201 bar products?

My research have not shown duplex to be better than austenitic in machinability, unfortunately. If someone does hear the price comparison to 201/304, I would be very interested. It should be cheaper from an alloy content basis, but I don't know where they chose to put the base price.

Michael McGuire
http://stainlesssteelforengineers.blogspot.com/

RE: 201 bar products?

I am guessing that Outokumpu is being a cagey with the data since Prodec is a major product for them.
The data on LDX2101 is clear, it machines very well.
The lean duplex grades are not as strong as the higher alloy grades.  This may be what is helping.

= = = = = = = = = = = = = = = = = = = =
Still trying to help you stop corrosion.
formerly Trent Tube, now Plymouth Tube
eblessman@plymouth.com
or edstainless@earthlink.net

RE: 201 bar products?

That's very good point. Lean duplex have a lot less solid solution hardening, so easier machining than the 2205 which people think of as representing duplex. Now if the base price were only at the 304 level, we would see the broad adoption of 2101. I think the marketing of lean duplex is rendered ineffective by their putting a premium on a new, unfamiliar alloy. It's too bad. It should be replacing much of the market for 316L and 304L, especially in tubing.

Michael McGuire
http://stainlesssteelforengineers.blogspot.com/

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!


Resources