Design code for structural steel materials

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Bidders are proposing ASTM A36 material for structural steel instead of S275 J2 or S355ML/NL, citing cost-effectiveness and adherence to international standards. ASTM A36 is recognized as lower quality due to its yield strength compared to the other two materials, which may offer better performance in certain applications. The choice of material ultimately depends on the specific requirements of the project, including structural integrity and economic considerations. While A36 may be cheaper, the optimal material selection should align with the project's needs and standards set by ACI, AISC, ASCE, and ASTM. Understanding the properties and applications of each material is crucial for making an informed decision.
asya04
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Bidders propeses ASTM A36 material istead of S275 J2 or S355ML/NL for structural steel (Piperack, Equipment Structure, etc.) on the basis of international standards for most optimal and economical design. Is it really optimal? pls explain why
 
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Bidders propose what they can make money on. What do the data sheets say?
 
ACI, AISC, ASCE and ASTM will apply to Civil and Structral. So pls help which of one is optimal and economical ASTM A36 or S275 J2 or S355ML/NL? Thank u
 
Well, I've heard of ASTM A36 and know where to go to find the details, if need be. :wink:

S275 J2 or S355 ML/NL I've never heard of and wouldn't know where to go for the details without doing some digging. :frown:
 
From what I know, A36 is the lowest quality among those if we compare the yield strengths, which is the most important metric in most cases. It is probably the cheapest, though I don't know the steel prices. You can refer to this:

http://ds.arcelormittal.com/repo/Projects%20Oil%20and%20Gas/Material%20Grade%20Comparison%20Chart.pdf

Which is best? That depends on the application.
 

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