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Steel Material Properties
3

Steel Material Properties

Steel Material Properties

(OP)
I'm working on an analysis of an existing structure (1990 construction) where the original steel was called out as "V-star 50 Group A Steel."  This sounds like a trade name.  Does anyone know the original manufacturer or what the ASTM associated with this steel would be?

Thanks!

RE: Steel Material Properties

What is the product form?

I couldn't find V-Star referenced to a steel product in the trademark registration.  There's not that many V-companies, though.  Could it be a Vulcraft product, for example?

RE: Steel Material Properties

(OP)
Sorry should have clarified that.  They are wide flange steel shapes.

RE: Steel Material Properties

Google must like you better!

RE: Steel Material Properties

I spoke to a former Bethlehem Steel engineer about this.  He told me the following:

Bethlehem did have a steel grade called "V-STAR 50".
 
When Bethlehem introduced their high-strength structural steels in the 60's they called them "V-Steels" since their strength came from Vanadium.  USS (EX-TEN) used Columbium.  These steels became ASTM A572.
 
In 1991 Bethlehem's H and sheet piling sections (and structural shapes) became available as "V-STAR 50" = (Vanadium - Strength, Toughness, As Rolled w/ a 50 ksi yield).   It conformed to A572-Grade 50.
 
We offered PZ35/40 to CVN 15 Ft-Lb @ 0 degrees F and all other sheet piling and H-piling sections to CVN 15 Ft-Lb @ -50 degrees F.
 
V-Star 50 also had improved weldability.
 
I don't know what the "...... Group A Steel" is all about.
   

www.PeirceEngineering.com

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