Dear Experts,
Please advise about the "Delivery conditions of the Plate" required to form a 2:1 Seli Ellipse Dish Heads with respect to the below specification.
1) Material Grade = SA 516 Gr.70
2) Minimum Required Thickness of the Dish Head = 70 mm
Actual thickness suggest by the dish head supplier = 85 mm
3) Vessel Design Pressure = -28.88 to 121.11 Degree C
4) Service = Sour
5) Dish head prepared by Hot forming with a tem.> 11°C of NR Tem. At Mill
6) Dish head will be Normalized @ 920 Degree C Max considered after forming.
7) Normalizing holding time shall be 1-1.5 Min/mm (Mill MTC / SPWHT)
8) Dish head prepared with a single longitudinal joint.
Thank You & Regards
Williams P Wilson
QA/QC Engineer
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