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Subject: Stretch exceeds 5% of the original reach; links of "cold sheets" bolts tech. Цепи для кранов/лебедок"cold sheets" bolts - болты из холоднокатанной стали?
Вообще не понимаю: Stretch exceeds 5% of the original reach. Контекст:
Alloy steel chains shall be removed from service and repaired/replaced when:
• Master links, coupling links or other components are cracked or deformed.
• Sling hooks have opened more that 15% of the normal throat opening or twisted more than 10 degrees off center.
• Stretch exceeds 5% of the original reach.
• They have been exposed to temperatures in excess of 315 degree C. (600 degrees F.)
• Only the manufacturer or an equivalent entity shall repair or condition slings covered in this section.
• Mechanical coupling links of "cold sheets" bolts or clevis pins shall not be used for chain repairs.
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