ASTM A-70-39
ASTM A-70-39
(OP)
I have been looking for allowable stresses for an old vessel made from A-70-39 FB material. I know this is a withdrawn spec, but I can't find any more information than it was superceded.
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RE: ASTM A-70-39
ASTM No. YP(psi, min) TS(Mpsi) %Elong-8" C content
A-70 Firebox Gr B 0.5TS 48/58 1550000/TS 0.10~0.15
Hope this helps some.
RE: ASTM A-70-39
RE: ASTM A-70-39