Q690D is a low-alloy high-strength structural steel that belongs to the structural steel category. Q represents the yield strength, 690 represents its lower limit yield value, and D represents its grade. This grade also has higher yield strength and tensile strength.
Corresponding brands include Q690C, Q690D, Q690E, Q690F, etc., which are all the same brand but different levels.
Q690D steel plate implementation standard: GB/T16270-2009.
Q690D steel plate delivery status: It should be delivered in a quenched and tempered state. In addition, this grade can also be delivered in a delivery status according to some special requirements of the customer, but it should be specified in the contract.
Q690D steel plate size, shape, weight and allowable deviation
A. The size, shape, weight and allowable deviation of the steel plate should comply with the regulations of GB/T709.
B. Steel plates with other sizes, shapes and allowable deviations can be supplied upon agreement between the supplier and the buyer.
