What is different of S690Q vs S690QL Grades Steel

S690Q/S690QL high-strength steel with minimum yield strength of 690 MPa supplied in quenched and tempered condition (Q). S690/S690QL steel grade comply with EN 10025-6 standard.

S690 steel grade are available with thicknesses of 8-100 mm for Q and QL quality groups and with thicknesses of 8-50 mm for QL1 quality group. Available width of plates is up to 3200 mm, length – up to 12200 mm. With the plate thickness of 100 mm and plate width of 1600 mm, the maximum length is 7500 mm*. Plates with thickness up to 50mm are supplied with edges trimmed, with thickness of 51 to 100 mm – with the edge flame cut.