I SHOULD SPECIFY THAT WE ARE BUYING STEEL THAT HAS ALREADY BEEN ROLLED AND ONLY HAS 2 DESIGNATIONS EITHER HRHS (HOT ROLL HIGH STRENGTH) OR HRCQ (HOT ROLL CONSUMER QUALITY) WE GENERALLY BUY THE HIGH STRENGTH TO ROLL FOR THE ASTM A500 GRADE B, AND C (STRUCTURAL) AND THE CONSUMER QUALITY FOR ASTM...
WE ARE USING LOW CARBON STEEL TO MAKE TUBING. WE RECEIVE CHEMISTRIES BEFORE WE RECEIVE THE STEEL ITSELF FOR HARDNESS TESTING. IS THERE A WAY OR FORMULA THAT WE COULD FIGURE A BALLPARK HARDNESS BY USING CARBON, MANGANESE, PHOSPHORUS, SULFUR, AND SILICONE? SOME EVEN GIVE VANADIUM AND CHROMIUM...