Skip to main content

ASME A-516/A-516M Markings verification




ASME A-516/A-516M Markings verification


ASME SA-20/SA-20M-2019 - Production Marking - Section 13. 
 
Plate shall be legibly marked with (eg.):
  • The specification number: SA-516.
  • The manufacturer's name or brand: BCK.
  • Grade:  GR.70N.
  • Heat number: 3-5642.
  • Plate identifier: 111-1.
  • Heat treatment: MT.
  • Additional: length, client, dimension, LTV...
 
Eg. SA516 Grade 70 MT LTV Normalized:

  • MT = material heat treated, see Section 20 of SA-20 2019.
  • LTV = Supplementary S5 "Charpy V-Notch Impact Test", see Supplementary Requirement S5 of SA-516 2019.

Code marking

  • Code marking: Txxxx - Plate.
  • Die stamp may be stamped on the thickness with T>= 6mm for carbon steel and  T>= 12 mm for stainless steel unless otherwise by supplementary requirements.
 
Dimensional and visual inspection

  • Dimension/masses:  ASME SA-20/20M - 2019 Section 14.
 
Transfer markings
Guide to transfer markings information to the off-cut pieces:

  • Step 1: Verify MTC and original markings are matched, dimensional / visual inspection for each plate.
  • Step 2: Transfer the original markings to the off-cut pieces (unmarked cut pieces) by paint marker
  • Step 3: Stamp "processor's name or trademark, brand (for resale) on both pieces, see Section 13.4 of SA-20/SA-20M.
  • Step 4: Shot photo of the original markings and new transfer identification for preparing a report, photo report should minimum show all production markings, processor's identification, buyer name, date, signature, ... and attachment the MTC.
  • Step 5: Cut the plates into aspect size for resale by processor.