×
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

Chinese Baosteel 55SiCrA spring steel

Chinese Baosteel 55SiCrA spring steel

Chinese Baosteel 55SiCrA spring steel

(OP)
Hi everyone, i'm trying to find an equivalent to 55SiCrA steel.  I dont know much about it, i belive its made in Beijing by Baosteel.

Is this ultra high end like micro alloy SRS60? or is it normal like 9259? hmm...

Any help appreciated..

RE: Chinese Baosteel 55SiCrA spring steel

The chemical composition is closer to 9254 than 9259.  It most certainly is not equivalent to the proprietary high strength grades like SRS60, UHS1800, etc.  Baosteel frequently commandeers an obsolete designation (in this case 55SiCr7 is a former German DIN grade) and uses it as their proprietary grade.  ISO 683-14 uses the designation 56SiCr7 for a similar spring steel grade.

RE: Chinese Baosteel 55SiCrA spring steel

(OP)
tvp, thanks very much.  i contacted the baosteel rep..  nothing yet.

what is the 7 at the end of 55SiCr7?  and in this case, what is the A? just curious.. do the Chinese mills have the equivalents of the very high end steels like UHS1800?

Thanks again, Jeff

RE: Chinese Baosteel 55SiCrA spring steel

The 7 at the end of 55SiCr7 is an indication of the concentration of the major alloying element.  The DIN/EN system uses a different multiplication factor for the various elements to indicate the nominal alloy content.  I have no idea what the A means.  I am not aware of any Chinese mills licensing the latest generation steels from Kobe, etc.  They certainly have not independently designed, tested and manufactured steels that are competitive with the latest generation spring grades from Kobe, etc.

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