Q890F is a low-alloy high-strength structural steel, which belongs to the structural steel category. The implementation standard of Q890F steel plate is GB/T16270-2009 standard. Q is the indication of yield strength, 890 is the indication of the lower limit yield value, and E represents the grade of the steel plate. Q890F steel plate also has high yield strength and tensile strength. Corresponding grades include Q890C steel plate, Q890D steel plate, and Q890E steel plate.
The standard, shape, weight and allowable error of Q890F steel plate
The standard, shape and allowable error of Q890F steel plate shall comply with the rules of GB/T709-2006. The allowable error of thickness shall comply with the rules in Table 3 (Type B) in GB/T709-2006. According to the requirements of the buyer, the steel plate in Table 4 (C category) in GB/T709-2006 can be supplied after agreement between the supplier and the buyer.
Q890F steel plate is delivered according to theoretical weight, and the thickness selected for theoretical weight is the average value of the allowable upper limit thickness and lower limit thickness of the steel plate. The density of the steel plate used for calculation is 7.85g/cm3.