As per ASME B30.2, which option best describes the removal criteria for regular lay wire rope?

As per ASME B30.2, which option best describes the removal criteria for regular lay wire rope?

• A. Wire in One Lay
• B. Lays in One Strand
• C. Wires in One Strand
• D. Strands in One Lay

Answer: (A)

Removal of regular lay wire rope is required when a wire is broken within a single lay. The lay is the set of wires arranged in one continuous helix around the rope’s core, so a broken wire in that specific group indicates fatigue that could propagate under bending and loading. This early, localized defect weakens the rope and could lead to a sudden failure if the rope continues in service, even if the overall number of broken wires seems small. For regular lay rope, this single-lay criterion is the standard trigger for removal from service; other described criteria refer to different rope constructions and are not the rule for regular lay.

Removal of regular lay wire rope is required when a wire is broken within a single lay. The lay is the set of wires arranged in one continuous helix around the rope’s core, so a broken wire in that specific group indicates fatigue that could propagate under bending and loading. This early, localized defect weakens the rope and could lead to a sudden failure if the rope continues in service, even if the overall number of broken wires seems small. For regular lay rope, this single-lay criterion is the standard trigger for removal from service; other described criteria refer to different rope constructions and are not the rule for regular lay.