×
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

Holding Time for Heat Treatment of Steel

Holding Time for Heat Treatment of Steel

Holding Time for Heat Treatment of Steel

(OP)
Hi, If steel is subjected to heat treatment(hot forming, stress relieving after welding and stress relieving after additional welds) for one hour three times during the fabrication stage, should the test piece subjected to a total holding time of 3 hours to simulate the expected heat treatment or just one hour to simulate for the three heat treatment?

RE: Holding Time for Heat Treatment of Steel

How about 1 hour three times?

RE: Holding Time for Heat Treatment of Steel

(OP)
Since we will be ordering the material to manufacturer,if we increase the holding time, additional cost will be added since they will use a higher grade material. Is 3- one hour holding time equal to 1- hour holding time? Would there be changes in mechanical properties between the two or is the two equal as long as the holding time is the same?

RE: Holding Time for Heat Treatment of Steel

Ideally the test coupon should have been an intefral part of the system,i.e during the hot forming stage itself the test coupon should have been generated. This should be then retained til the end of the processing and then the mechanical properties tested. I assume that you are interested in qualifying the fabrication rather than the steel selected.

If it is not possible to specify this kind of testing procedure isolated test sample would qualify only the steel material, hence a 1 hour soaking would be sufficient.

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