Hidden danger: Severe corrosion of steel pipes.
Risk analysis: Severe corrosion of steel pipes leads to a decrease in wall thickness, which affects the horizontal and vertical bearing capacity of the steel pipes.
Rectification measures: Prohibit use, replace immediately and dispose of as scrap.
Specification requirement: Article 4.
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14, paragraph 1 of the Unified Standard for Safety Technology of Construction Scaffolds (GB51210-2016): Steel pipes with cracks, creases, obvious surface depressions, and severe corrosion shall not be used.
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