Mfr. has qualified a Procedure as per ASME Sec IX Edition 2001 with addenda 2002 with the following conditions :
Thickness 28 mm SA 516 Gr.70, UTS required : Min. 480 MPa & Max : 620 MPa, with SR at 600 + / -10 degree Centigrade, Tested for Impact at Minus 50 degree centigrade, Preheat Temp...