qcr.
Please don't use all capitals. It's interpreted as SHOUTING!!!
You need to know what steel you're talking about API??, ASTM ????
Then look up the properties for that grade and type of steel.
If its API 5L,grade A is a lower SMYS than Grade B(35,000 psi).
Also look at ASME B 31.3 - you'll find most of the data you want there.
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.