Quenched and tempered high strength steel plate q690d
Quenched and tempered high strength steel plate q690d,steel plate Q690E has high tensile strength within 770-940 mpa and yield strength above 690 mpa.Dimension tolerance for steel plate Q690D and Q690E shall be complying with GB/T 709.
GB/T 16270 specification steel plate Q690E is equal to EN 10025-6 steel plate S690QL,both done low temperature charpy V-noth impacting test at -40 Degree centigrade.
GB/T 16270 specification steel plate Q690D is equal to EN 10025-6 steel plate S690Q,both done low temperature charpy V-noth impacting test at -20 Degree centigrade.
How to take sample from steel plate for Charpy impacting test ?
6mm≤Thickness<8mm sample size shall be 10×5×55mm
8mm≤Thickness<11mm sample size shall be 10×7.5×55mm
11mm≤Thickness sample size shall be 10×10×55mm