JIS G 3114 hot-rolled steel grade SMA400BW Quenched & Tempered Steel Plate

Comments: Q690D grade is a low-alloy high-strength structural steel, belonging to the structural steel category. Q690D steel plate executive standard: GB/T16270-2009. Q is the expression of yield strength, 690 is its lower limit yield value, and D is its grade. Thi

JIS G 3114 hot-rolled steel grade SMA400BW Quenched &amp; Tempered Steel Plate