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St52-3 DIN

St52-3 DIN

St52-3 DIN

(OP)
I am trying to find a compatable material for St52-3. I am coning up with A572 grade 60 but that is not supplied either. My only other shot at this is 516 grade 70. This material is going to be fabricated into a built up tension member for a clam shell bucket. I am just curious if anyone has any information pertaining to this material.
Thanks in advance
Charles Cancro

Charles J. Cancro
WWW.limehousesons.com

RE: St52-3 DIN

Charles,

What exactly are you in need of?  Grade 60 according to ASTM A 572 is a reasonable alternative to St 52-3 in terms of mechanical properties, but necessarily for chemical composition.  Most of the HSLA steels in North America are produced with a C content of ~ 0.08 instead of the 0.18-0.21 range for St 52-3.  The following link shows some previous Eng-Tips discussions on this grade:

http://www.google.com/custom?domains=eng-tips.com&q=St+52-3&sitesearch=eng-tips.com&client=pub-8000425157908189&forid=1&channel=2835134717&ie=ISO-8859-1&oe=ISO-8859-1&safe=active&cof=GALT%3A%23008000%3BGL%3A1%3BDIV%3A%23336699%3BVLC%3A663399%3BAH%3Acenter%3BBGC%3AFFFFFF%3BLBGC%3A336699%3BALC%3A0000FF%3BLC%3A0000FF%3BT%3A000000%3BGFNT%3A0000FF%3BGIMP%3A0000FF%3BFORID%3A1%3B&hl=en

RE: St52-3 DIN

(OP)
I was just trying to find out if 516 grade 70 is a safe substitute for St52-3. And if there is pre and post heating required for welding.

Charles J. Cancro
WWW.limehousesons.com

RE: St52-3 DIN

The ASTM A 516 Grade 70 is not acceptable for use in this application. The yield strength is critical to avoid permanent deformation, and for A 516 Grade 70, the YS is only 260 MPa minimum. As indicated above stick with the HSLA steel grades or even consider US Steel T-1.

RE: St52-3 DIN

The Metal Data site says that ST52-3 is equivalent to ASTM A663(45-80) and ASTM 675(45-900). This are steel for non-critical applications.

Go to this page and if you have Google use their find feature on this page. You can pay $20.00 and get an up to date report plus a lot more.

http://www.metaldata.info/eng/sinquiry.php

RE: St52-3 DIN

(OP)
unclesyd thanks for your reply the site was very helpful

Charles J. Cancro
WWW.limehousesons.com

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