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A.A. Hardy, W.C. Norris, Mfg., Inc.
When a string of sucker rods fail conversely, the comment most frequently heard is that "they must have been rolled from a bad heat of steel;" this in face of the fact that sucker rod steel is rolled under far more restrictive requirements than ordinary structural steel. Following is a typical specification clause taken from an order, placed on a mill for sucker rod steel.