ASTM – A500 grade B and C is the standard specification for cold-formed carbon steel welded tube. Specifically, it’s hot rolled steel tubing with electric resistance weld (HREW). Commonly called H.S.S Tubes (Hollow Structural Steel).
Thanks to its high physical capacities and a very large variety of sizes, ASTM – A500 grade B and C H.S.S. tubes are used for structural purposes by our manufacturing customers in various fields of activity.
|Grade B||Grade C|
|Yield strength||42 000 PSI||50 000 PSI (46 000 PSI Round Tube)|
|Tensile strength||58 000 PSI||62 000 PSI|
|Thickness tolerance||± 10% from the wall||± 10% from the wall|