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Galvanizing Raw Material Preparation
Date:2016-12-22      View(s):1705      Tag:galvanized steel pipe,prime steel,steel pipe
Feeder should check the raw material situation:
1, the outer surface of the pipe shall not stick to oil (especially asphalt oil blending paint and other oil), otherwise it will cause a large number of substandard goods.
2, after the production of steel pipe must be straightened to eliminate the internal stress of steel pipe.
3, the corrosion of the outer surface of the pipe can not be galvanized corrosion, or will waste a lot of hydrochloric acid.
4, steel pipe in the transport process can not appear artificial pipe.
5, for hot-dip galvanized steel pipe, does not allow the label attached to the steel pipe, the outer wall, so as to avoid leakage plating.
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