I have a question about note (A) in SB-171 Table 2 thickness tolerance.
Im concerned about note A When tolerances are specified all plus or all minus double the value given.
My material is .187 thick C61400 from a 48” wide piece.
Correct me if this is wrong
.187 thick C61400 is 25% greater...
if the the impact sample is subsize, and less than 80% of actual wall thk a reduction in temp is needed my quaestion is
Would the nominal wall be used for the calc or can the wall be measured.
If i use the nominal it less than 80% if i use the low end of the wall thickness its within.(is that...