What do you mean by following sentence?
"For blind flanges and blanks, T shall be 1/4 of the flange thickness"
in ASME B31.3, FIG 323.2.2A, Note(6)
Somebody says like this.
"If you have 40mm plate, you divide it by 4 and you get
10mm. With this 10mm, you read the graph of FIG 323.2.2A."
What he...