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Steel Pipe Coating Zinc Phosphate Primer

Tianjin Wanlei Steel Pipe Co., Ltd can supply zinc phosphate primer steel pipe, steel pipe coating zinc phosphate primer to customers. And coating will be conducted in our factory, the coating thickness meets the request of customers.

Description


steel pipe coating zinc phosphate primer


seamless steel pipe coating zinc phosphate primer, ERW steel pipe coating zinc phosphate primer



Production procedure

  1. Visual inspection, chemical composition and mechanical properties inspection are conducted when raw material in our factory.

  2. uncoiling, flattening, shearing and butt welding, weld cleaning before welding

  3. Forming

  4. inside and outside burrs are removed by factory.

  5. visual and dimension inspection

  6. Hydrostatic test or NDE

  7. chemical analysis and mechanical properties of sampling inspection

  8. surface treatment sand blasting before painting zinc phosphate primer

  9. painting zinc phosphate primer and measure painting thickness

  10. According to standard, steel grade, size, no. , each pipe is marked on surface

  11. packing in bundles or in loose accords to size

  12. shipping


Product display of steel pipe coating zinc phosphate primer

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Measuring of thickness of zinc phosphate primer

Usually, the coating is painted in two layer. The measuring is conducted after each layer painting.

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