Search Results for: Polishing gloves
means, the mouth of the steel pipe looks thicker with the iron hammer shield, but it will be exposed with the appearance of the instrument. . with straight seam as seamless steel pipe, straight seam weld is less on a longitudinal weld, using machine to wear the whole steel pipe, commonly known as polishing
that is, the expansion of the steel pipe. after the expansion, there is the lead powder inside, there is also a burning trace outside the weld is also invisible, many of the larger steel pipes used to act as seamless to sell, to seek large profits. . girth weld anticorrosive steel pipe is used for polishing...
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