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Zinc galvanized pipe layer material

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In order to meet the requirements of the increasing use conditions, to extend the service life of galvanized steel pipe, zinc layer is constantly developing.Flying saw  Major new coating: (1) iron-zinc alloy coating. And then heat-treated steel pipe galvanized. Diffusion annealing at 500 ~ 550 ℃ 10 ~ 15min, so galvanized pipe in the oilfield service life can be extended nearly 9 times; (2) or zinc coating contains trace amounts of alloying elements. Such as adding the right amount of nickel than pure electric galvanized pipe corrosion resistance can be increased by more than 10 times; (3) composite coatings. Conditions of use need pipe galvanized layer coated with a suitable organic material, making further in corrosion resistance, high temperature resistance, cold resistance, wear resistance, impact resistance and increase flexibility to meet one or several higher requirements. Such as the use of the color coating, as well as the effect of decoration and logo.

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