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Does not seem right huh?

i have an MTR for the 4" with a .281 wall, the impactsubsize works out over 80% but on that case what cert the tensile pull is .965 x .394 how can that be? As for the 5" pipe the wall thickness covers my concern. You input has helped me to decide that i will not reject this load of pipe, but i...

sa-333 5" xs pipe

ASME

When making pipe say wall thickness .281 is being produced and needs to have tensile pulls done. how do i get a sample size of .965 x .394?

Thats what i thought

the impact results will be higher because of lack of restraint in the test specimen Sir could you give more detail on this?

So the definition of actual in this case is measured thickness (not Nominal wall thk) and since that dimention is not reported i would not have a leg to stand on by saying the sample size is less than 80%. look at this cert at the charpy size. I will speak with the AI on this, but i like to...

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...

so i cannot reject this lot based on the no reduction in this case one could say it was not needed, based on the measured wall at lab. if the wall measured at the low end of the spec it would have been above the 80% but no one knows what the measured piece was to begin with. Do you see my...

if you are manufacturong to code...........gotta have it

iwish i could spend a fewe months in a destructive lab

from memory..... 5" xxs SA-333 seamless pipe Impact size is .394 x .295 the temp was -45c as i was reviewing my MTRs i noticed this. i think the temp of these impact temps should have been -48c Now from the same manufacturer i got another load of 4" pipe wall .281 with the same heat# the 4"...

The reason for subsize samples is the lack of material in the pipe wall to aquire a full size.If the wall thickness say .375 cannot produce the proper amount of material for full size (.394) the ASME Code allows subsizes. If the subsize is 80% or Greater than the actual wall thickness no...

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...