A36 A572 Grade 50/60/65 steel channel
A36 is a common carbon structural steel with moderate strength, which can meet the load-bearing requirements of general structures. A572 Grade50/60/65 is a high-strength low-alloy steel, of which Grade50 has a yield strength of 345MPa. As the grade increases to Grade60 and Grade65, the yield strength is higher and can withstand greater loads.
