Dear All
Please tell me is it necessary to have hard punch "SA 578 LEVEL B" for 20 mm THK plate SA 516 GR 60/70. Stenciling showing "SA 578 LEVEL B" but no hard punch seen.
Thank you for your valuable reply ALL.
Dear r6155
Head is cold formed.Applicable code for this job is ASME SEC VIII DIV.1.I want to add - Inside diameter is 1700 MM.
I want to know that which Heat treatment should i follow for flowing situation Stress relieving or Normalizing
DATA:- Ellipsoidal dish end having thickness 22 mm (NOM),Fiber elongation exceeds 5%,MOC=SA 516 GR.70N. Where Normalizing requirement given in CODE.