stress relieving of dished ends
stress relieving of dished ends
(OP)
WE NEED TO FABRICATE A TORISPHERICAL DISHED END OF 4200MM DIA WITH KNUCKLE RADIOUS OF 420MM AND CROWN RADIUS OF 4200MM. MATERIALS TO ASTM A516 GR 70, THICKNESS OF PLATE 16MM , MINIMUM ACCEPTABLE THICKNESS AT KNUCKLE AREA 12MM MINIMUM. IMPACT REQUIREMENTS ARE SPECIFIED FOR MATERIALS.
WHETHER THIS WELDMENT NEEDS STRESS RELIVING AS PER ASME SECTION VIII? HOW DO U ARRIVE AT MAXIMUM FIBER ELONGATION?





RE: stress relieving of dished ends
RE: stress relieving of dished ends
75t/Rf = 2.7% < 5% therfore no heat treatment required.