Illinois Society of Architects · Chicago · leaf 451
and bend test specimens forcold-twisted bars shall be taken from the finished bars, without further treatment; ex-cept as specified in Section 2 (b). 12. (a) One tension and one bend testshall be made from each melt of open-hearthsteel, and from each melt, or lot of ten tons,of Bessemer steel;… … 11^ (b) If any test specimen shows defectivemachining or develops flaws, it may be dis-carded and another specimen substituted. (c) If the percentage of elongation ofany tension test specimen is less than thatspecified in Section 8 (a) and any part ofthe fracture is outside the middle third ofthe…
Architecture · Building · Architects
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