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  1. mantonas

    Need information from ASTM A53 spec before 1957

    I think there was a 1952 edition of ASTM A53. Does anyone have a copy of this, or if there was another one between then and 1957, a copy of it. I need to know the yield strength of a schedule 40 pipe that was part of a building constructed in 1957. Thanks.
  2. mantonas

    Need yield strength for 4" dia sch 40 pipe from 1957

    I am trying to calculate the capacity of a duct support consisting of a cantilevered carbon steel 4" diameter schedule 40 pipe. The building was constructed in 1957. If I were specifying a pipe member today, I would call out ASTM A53. After doing a little trial-and-error web sleuthing, I...

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