For your information
SA516-70U Thickness 6 mm. from JFE Reference PO5807184
6x3048x9144 mm. Q’ty = 55 pcs. Heat Number : 3-0044
6x1524x6096 mm. Q’ty = 15 pcs.
6x2438x6096 mm. Q’ty = 15 pcs.
There are haven’t hard stamp from Mill, Mill reference 13.2.2 of P92 in SA20.
Detail :
Except as allowed by 13.4, the required markings for plate 6 mm. and under in thickness
shall be by paint marking or by steel die stamping using low-stress (either round-nose or interrupted-dot) impressions.
Please explain to customer.