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Mechanical prop. of rolled steel shapes 2

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well

Industrial
Jun 24, 2001
1
BR
I can't find any documentation about these type of steel:

300W, 44W, 50W

Do they exist? If not, what is the type of steel used for rolled steel shapes? If yes, what are the mechanical properties (yield strength, comp. strength, etc.)

Thanks
 
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Normally the id for rolled steel beams indicates the geometry of the section only, not the type of steel.
The types you list are not recognizable agaist a standard known to me: you should provide more details.
The type of steel may be specified indipendently of the beam section and is up to the designer to choose.


prex
motori@xcalcs.com
Online tools for structural design
 
I would assume they are using something
comparable to aisi 1020 steel or such and
would use this as a rough guideline for
the material properties. Hot rolled or
cold rolled will provide added value
to the as normalized conditions. I too
do not recognize the numbers as meaning
anything. What country are these numbers
coming from? It just may be some customers
trade name for a profiled section.
 
The Canadian standard CSA G40.21 lists 260W, 300W and 350W grades. The properties of the 300W are Min. Yield = 300 MPa, and UTS = 450 MPa. I do not have an old copy of this standard, but suspect the grades 44W and 50W may be based on old designations i.e. UTS in kgf/mm².
 
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